• HEADSETS
Ole Wolff was founded in 1983 in Denmark where it is still headquartered. Today we have 8 sales offices worldwide, 3 R/D & application support centres along with ISO9001 and ISO14001 approved manufacturing facilities in Asia.

By combining our advanced design capabilities with production sites in Asia we are cost efficient while offering quality high-end components. Same time we are via our global presence able to serve our customers locally understanding their needs and demands.

Ole Wolff is committed to the production of the highest quality components and we have implemented a range of quality management systems. All of these efforts ensure that we achieve a high level of consistency in our products, and that our customers always receive components of the highest quality.

Ole Wolff is now focused on two product areas: acoustics and magnetic.

History

1983 Ole Wolff Elektronik A/S founded by Mr. Ole Wolff
1989 Ole Wolff Elektronik GmbH – sales office in Germany established.
1990 Ole Wolff (Asia) Ltd. – sales office in Hong Kong established.
1993 Ole Wolff Electronics Ltd. – sales office in England established.
1998 Ole Wolff Electronics in Malaysia established.
1999 Ole Wolff Magnetic factory in China established
2000 Ole Wolff sales office in USA established.
2001 Ole Wolff sales office in Finland established.
2003 Acoustic Design Center in Korea established.
2004 Ole Wolff Acoustic factory in China established.
2006 Magnetic Support Center established in Shenzhen, China
2008 Acoustic Design Center in China established
2009 Application Support office in Toronto established
2010 Ole Wolff Taiwan established as sales office
2011 Ole Wolff establish sales office in San Jose, USA

OLE WOLFF ELECTRONICS INC.
JEFFERSON FOREST DRIVE
RICHMOND HILL, ON L4E 4K6
CANADA
T: +1 416 953 5015

OLE WOLFF ELECTRONICS INC.
150 NORTH MICHIGAN AVENUE
CHICAGO, IL 60601
USA
T: +1 312 624 7695
F: +1 312 624 7721

OLE WOLFF ELECTRONICS INC.
1525 MCCARTHY BLVD,
SUITE 1093
MILPITAS, CA 95035
USA
T: +1 408 888 8413

OLE WOLFF ELEKTRONIK A/S
ROEDENGVEJ 25
DK-4180 SOROE
DENMARK
T: + 45 5783 3830
F: + 45 5782 0019

OLE WOLFF ELEKTRONIK
P.O.BOX 257 (Yliopistonkatu 26 A)
FIN – 40101 JYVÄSKYLÄ
FINLAND
T: +358 14 338 3050
F: +358 14 338 3059

OLE WOLFF ELEKTRONIK GmbH
SCHULSTRASSE 15A
DE-25451 QUICKBORN
GERMANY
T: +49 (0) 4106 765900
F: +49 (0) 4106 627297

OLE WOLFF ELECTRONICS LTD
3 BEDFORD STREET. WOBURN
BEDFORDSHIRE MK17 9QB
UINTED KINGDOM
T: +44 (0) 1525 290755
F: +44 (0) 1525 290855

OLE WOLFF LTD
UNIT 8G. BLOCK B
NEPTUNUS BUILDING, NANHAI AVENUE
NANSHAN DISTRICT
SHENZHEN 518054, CHINA
T: +86 755 8261 2542
F: +86 755 2518 3358

OLE WOLFF (ASIA) LTD.
Unit B, 19/F, Bold Win Ind. Bldg., No.. 16-18
Wah Sing Street, Kwai Chung, N.T.HONG KONG
T: (852) 24 24 32 74
F: (852) 24 24 22 19

OLE WOLFF LTD
179,SEC. 4 XINGLONG ROAD
WENSHAN DISTRICT TAIPEI CITY 116
TAIWAN (R.O.C.)
T: +886 928 548 068

Product portfolio

Please enter for more information on Ole Wolff product range

Speakers

Receivers

Microphones

Audio buzzer

Ole Wolff Focus

Technology

Ole Wolff offers extremely strong acoustic R&D support for both full systems and individual drivers.

Our R&D team includes Danish engineers with more than 20 years of experience in designing world class premium drivers and audio systems.

Utilizing tools such as Klippel, Soundcheck and FEM simulation we are able to meet your exact performance requirements.

Quality

Quality Management is a key element throughout the entire product development process, from the early design phase to shipping of the finished goods.

By controlling the entire QA process along with product development and manufacturing Ole Wolff ensures that your product will meet all the required environmental, reliability and life-cycle tests, as well as meet the highest possible manufacturing quality and consistency.

Together with our manufacturing partner we have more than 30 years experience of producing high quality products. In addition, we utilize Soundcheck to test 100% of all production.

Communication

Good project management is at the heart of every successful project and key to this is good communication. Ole Wolff takes a proactive role to manage and track your project from start to finish in order to deliver the product at the right time, cost and quality.

Through local support with your team throughout the project, we ensure that we fully understand every aspect of your product requirements. We do not assume anything, and we will ask if there is something we are not 100% sure about.

Cost

In order to be cost competitive Ole Wolff operates a unique lean model where we have minimized any unnecessary costs.

We focus our resources where it is needed and where it can add the most value.

Combining Danish acoustic technology and product design with Chinese manufacturing results in innovative high performing products at a competitive price.

  • Research, design and technology
  • Program management
  • Sales

  • Manufacturing
  • Engineering team: Development
  • Procurement
  • QA management
  • Logistics
  • Project Management

Product Portfolio based on Application

Headphones

Cordless/VoIP phones

Smartphones/tablets

Ole Wolff is well known and recognized worldwide for our high quality transducers, as well as our unique design capabilities, which are supplied to a broad range of first tier companies within the consumer electronics industry.

  • Fast and flexible approach to customer’s unique or special requirements.
  • Develop innovative acoustic solutions that help our customers optimize their audio performance.
  • Manufacture our components cost-efficiently and in consistent quality.
  • Assist our customers worldwide through ready and available sales and applications engineering support.

Microphone

Part Number Picture Foot Print Height “Sensitivity (dB)” SNR (dB) Directivity Type
OWMO-2215T 2.0mm dia 1.5mm -40 ~ -46 dB >=55~58dB Omni ECM
OWMO-3015 3.0mm dia 1.5mm -40 ~ -46 dB >=55~58dB Omni ECM
OWMO-4012 4.0mm dia 1.2mm -38 ~ -46 dB >=55~65dB Omni ECM
OWMO-4015 4.0mm dia 1.5mm -38 ~ -46 dB >=55~65dB Omni ECM
OWMO-6015 6.0mm dia 1.5mm -38 ~ -46 dB >=55~65dB Omni ECM
OWMO-6018 6.0mm dia 1.8mm -38 ~ -46 dB >=55~65dB Omni ECM
OWMO-6022 6.0mm dia 2.2mm -38 ~ -46 dB >=55~65dB Omni ECM
OWMO-6027 6.0mm dia 2.7mm -38 ~ -46 dB >=55~65dB Omni ECM
OWMO-6050 6.0mm dia 5.0mm -38 ~ -46 dB >=55~65dB Omni ECM
OWMO-9745 9.7mm dia 4.5mm -38 ~ -46 dB >=55~60dB Omni ECM
OWMO-9765 9.7mm dia 6.5mm -38 ~ -46 dB >=55~60dB Omni ECM
OWMOD-4015 4.0mm dia 1.5mm -26 ~ -34 dB >=55dB Omni Digital ECM
OWMOD-6020 6.0mm dia 2.0mm -20 ~ -34 dB >=58dB Omni Digital ECM
OWMOD-6022 6.0mm dia 2.2mm -20 ~ -34 dB >=58dB Omni Digital ECM
OWMOD-6027 6.0mm dia 2.7mm -20 ~ -34 dB >=58dB Omni Digital ECM
OWMOS-3012 3.0mm dia 1.2mm -42 ~ -46 dB >=55dB Omni SMD ECM
OWMOS-4012 4.0mm dia 1.2mm -40 ~ -46 dB >=58dB Omni SMD ECM
OWMOS-4015 4.0mm dia 1.5mm -40 ~ -46 dB >=58dB Omni SMD ECM
OWMMO-372911 3.76X2.95mm 1.1mm -39 ~ -45 dB >=55dB Omni MEMS
OWMMO-372911-BP 3.76X2.95mm 1.1mm -39 ~ -45 dB >=55dB Omni MEMS
OWMU-4020 4.0mm dia 2.0mm -44 ~ -47 dB >=50dB Uni ECM
OWMU-6022 6.0mm dia 2.2mm -44 ~ -47 dB >=55dB Uni ECM
OWMU-6027 6.0mm dia 2.7mm -44 ~ -47 dB >=55dB Uni ECM
OWMU-9750 9.7mm dia 5.0mm -38 ~ -45 dB >=58dB Uni ECM

Speaker

Part Number Picture X & Y dimension Height Termination Impedance Power Nom/Max F0 SPL(dB, @0.1W, 0.1m) Application
OWS-081525L-8 8x15mm 2.5mm Terminal 0.5W/1.0W 800Hz (in 1cc box) 80 (in 1cc box, average 1-3kHz) Tablet/Mobile Phone
OWS-111530W-8B 11x15mm 3.0mm Lead wires 0.5W/1.0W 900Hz (in 1cc box) 81 (in 1cc box, average 1-3kHz) Tablet/Mobile Phone
OWS-1337W45-8A Φ13mm 3.7mm Lead wires 0.5W/0.8W 900Hz 86 (free air, average 0.8~1.5kHz) General speaker
OWS-142030L-8 14×20mm 3.0mm Leaf Spring 0.5W/1.0W 900Hz 83 (in 1.5cc box, @2kHz) Tablet/Mobile Phone
OWS-1536L-8A Φ15mm 3.6mm Leaf Spring 0.8W/1.0W 850Hz 88 (free air, average 0.8~1.5kHz) General speaker
OWDM-1633W-8C3M Φ16mm 3.3mm Lead wires 0.6W/1.0W 710Hz 89 (free air, average 0.8~1.5kHz) General speaker
OWDM-1936CW-8B Φ19mm 3.6mm Lead wires 0.5W/0.8W 650Hz 93 (free air, average 0.8~1.5kHz) General speaker
OWS-2860W-8A Φ28mm 6.0mm Lead wires 0.5W/1.0W 450Hz 88 (free air, @1.0kHz) General speaker
OWS-323215T-4 32×32mm 16mm Terminal 2.0W/3.0W 220Hz 84 (free air, @1.0kHz) Conference phones
OWS-3648T-8B Φ36mm 4.8mm Terminal 0.8W/1.0W 390Hz 91 (free air, @1.0kHz) General speaker
OWS-4075T-8A Φ40mm 7.5mm Terminal 2.0W/2.5W 400Hz (free air, @1.0kHz) General speaker
OWS-5519W125-25 Φ50mm 19.0mm Lead wires 25Ω 1.0W/2.0W 270Hz 93 (free air, @1.0kHz) VOIP Phone
OWS-5223CW70-4-G54 Φ52mm 24.5mm Lead wires 1.0W/2.0W 180Hz 89.5(free air, @1.0kHz) VOIP Phone

Receivers

Part Number Picture X & Y dimension Height Termination Impedance Power Nom/Max F0 Application Remarks
OWR-0480T Φ4.8mm 4.8mm Terminal 16Ω 5mW/10mW 3300Hz In-ear earphone
OWR-0580T Φ5.8mm 4.7mm Terminal 13Ω 5mW/10mW 3100Hz In-ear earphone
OWRL-061520L-32 6×15mm 2.0mm Leaf Spring 32Ω 10mW/20mW 300Hz Smartphone Wideband, HAC
OWRL-0615L-32D 6×15mm 3.0mm Leaf Spring 32Ω 10mW/30mW 450Hz Cordless/Mobile phone HAC
OWR-0680T Φ6.9mm 4.4mm Terminal 16Ω 5mW/10mW 3100Hz In-ear earphone
OWR-0860T Φ8.6mm 4.5mm Terminal 16Ω 5mW/10mW 3100Hz In-ear earphone
OWR-0843T Φ8.6mm 4.3mm Terminal 32Ω 10mW/20mW 450Hz Bluetooth headset
OWR-081515L-32 8x15mm 1.5mm Leaf Spring 32Ω 10mW/30mW 350Hz Smartphone Wideband, HAC
OWR-1036W-32 Φ10mm 3.6mm Lead wires 32Ω 5mW/10mW 400Hz Bluetooth headset
OWRL-1043W-32 Φ10mm 4.3mm Lead wires 32Ω 20mW/30mW 375Hz Bluetooth headset
OWRL-1338W-32 Φ13.3mm 3.8mm Lead wires 32Ω 10mW/20mW 300Hz Bluetooth headset Wideband HAC
OWR-2362T-32 Φ23mm 6.2mm Terminal 32Ω 10mW/30mW 200Hz Headset Wideband
OWR-3083T-150WB Φ30mm 8.5mm Terminal 150Ω 10mW/30mW 160 Hz VoiP phone Wideband, HAC
OWR-3270T Φ32mm 7.0mm Terminal 20Ω 30mW/40mW 120Hz Headset
OWR-3255T Φ32mm 5.5mm Terminal 32Ω 10mW/30mW 150Hz Headset
OWR-4089T-32 Φ40mm 8.9mm Terminal 32Ω 10mW/15mW 95Hz Headphone
OWR-4011T-32 Φ40mm 11mm Terminal 32Ω 30mW/60mW 120Hz Headphone
OWRL-5088T-32 Φ50mm 8.8mm Terminal 32Ω 40mW/85mW 80Hz Headphone

Audio buzzer

Part Number Picture Dimension (mm) SPL (dB, @10cm) F0 (Hz) Rated Voltage Terminal Type
OWMB-505020S-40-12 5.0*5.0*2.0 >=78 4000 3 SMD Magnetic
OWMB-505030S-40-12 5.0*5.0*3.0 >=78 4000 3 SMD Magnetic
OWMB-757525S-27-15 7.5*7.5*2.5 >=85 2700 3.6 SMD Magnetic
OWMB-858530S-27-25 8.5*8.5*3.0 >=85 2731 3 SMD Magnetic
OWMB-858540S-27-16 8.5*8.5*4.0 >=90 2731 3.6 SMD Magnetic
OWMB-888828S-16-2730-85 8.8*8.8*2.8 >=85 2730 3.6 SMD Magnetic
OWMB-909045S-32-16 9.0*9.0*4.5 >=90 3200 3.3 SMD Magnetic
OWMB-131310S-23 12.8*12.8*10 >=85 2300 3 SMD Magnetic (VDC voltage)
OWMB-1285-31-16 12*8.5 >=90 3100 3.3 Pin Magnetic
OWMB-7614P-20-50 16*14 >=85 2048 6 Pin Magnetic
OWPB-121230S-40-05 12*12*3.0 >=75 4000 3.0 (25 max) SMD Piezo
OWPB-141440S-40-05 14.1*14.9*4.5 >=80 4000 5.0 (20 max) SMD Piezo
OWPB-3020-35-12 30.2*19.2 >=104.5 3500 12.0 (20 max) Pin Piezo (VDC voltage)
OWPB-5029-25-12 50*29 >=116 2500 12.0 (13 max) Pin Piezo (VDC voltage)
OWPB-1260-60W13-05 12*0.14 -6000 <=30 Lead wire Piezo disk with wire
Please enter for more information on Ole Wolff product range

Product Portfolio

Transformers+ Wide Selection Of Ferrite Cores:
EE, EI, EF, EFD, ER, EER,
ETD,RM, PQ, U, and I
+ Wide Selection Of Bobbins
Horizontal/Vertical, Through-Hole/SMT,
Multiple Pin Options
+ Custom Built To Your Specifications:
SMD Power Inductors
Pin Type Power Inductors
SMD Toroidal Coils
EMI Suppressors
Balun Coils
Line Filters
Common Mode Chokes

Ole Wolff Focus

Technology

Our R&D team possesses a high level of expertise in the development and production of customized solutions based on customers specific requests.

Communication

Good project management is at the heart of every successful project and key to this is good communication.

Ole Wolff takes a proactive role to manage and track your project from start to finish in order to deliver the product at the right time, cost and quality. We provide local support throughout the project. We ensure that we fully understand every aspect of your product requirements. We don’t assume anything, and we will ask if there is something we are not 100% sure about.- Our R&D team possesses a high level of expertise in the development and production of customized solutions based on customers specific requests.

Cost

In order to be cost competitive Ole Wolff operates a unique lean model where we have minimized any unnecessary costs.

We focus our resources where it is needed and where it can add the most value.

Combining optimized design and quality management with Chinese manufacturing results in innovative high performing products at a competitive price.

Quality

Quality Management is a key element throughout the entire product development process, from the early design phase to shipping of the finished goods.

By controlling the entire QA process along with product development and manufacturing Ole Wolff ensures that your product will meet all the required environmental, reliability and life-cycle tests, as well as meet the highest possible manufacturing quality and consistency.

End product application

Our magnetic product portfolio includes power inductors, transformers, chokes and line filters serving a broad range of market segments from consumer to industrial electronics.

  • Rapid turn around on custom samples.
  • Flexibility to meet your specific demands.
  • High level of expertise in providing customized solutions to meet your requirements.
  • Excellent local and global support from initial design right through to production.
  • Wide range of cost effective drop in alternatives to market leading power inductor competitors

Ole Wolff Total Solutions

Please enter for more information

Our total solutions offer the flexibility to our customers to choose from a wide selection of services

Ole Wolff Design

Ole Wolff offers a selection of in house designed headphones and earphones which we offer to interested customers on an exclusive basis

Circumaural Headphone

OWE-5.8A

OWE-6.9A

OWE-8.6A

OWE-10A

Ole Wolff Focus

Technology

Ole Wolff offers extremely strong acoustic R&D support for both full systems and individual drivers.

Our R&D team includes Danish engineers with more than 20 years of experience in designing world class premium drivers and audio systems.

Utilizing tools such as Klippel, Soundcheck and FEM simulation we are able to meet your exact performance requirements.

Performance

Obtaining the right acoustic performance is critical. We know that optimized acoustic performance leads to more satisfied customers and fuels additional product sales.

The engineers at Ole Wolff will work closely with your team to achieve your exact performance targets. We can tailor everything to your requirements and even customize the drive unit design to generate your own unique drivers.

Quality

Quality Management is a key element throughout the entire product development process, from the early design phase to shipping of the finished goods.

By controlling the entire QA process along with product development and manufacturing Ole Wolff ensures that your product will meet all the required environmental, reliability and life-cycle tests, as well as meet the highest possible manufacturing quality and consistency.

Together with our manufacturing partner we have more than 30 years experience of producing high quality products. In addition, we utilize Soundcheck to test 100% of all production.

Communication

Good project management is at the heart of every successful project and key to this is good communication. Ole Wolff takes a proactive role to manage and track your project from start to finish in order to deliver the product at the right time, cost and quality.

Through local support with your team throughout the project, we ensure that we fully understand every aspect of your product requirements. We do not assume anything, and we will ask if there is something we are not 100% sure about.

Cost

In order to be cost competitive Ole Wolff operates a unique lean model where we have minimized any unnecessary costs.

We focus our resources where it is needed and where it can add the most value.

Combining Danish acoustic technology and product design with Chinese manufacturing results in innovative high performing products at a competitive price.

  • Research, design and technology,
  • Program management
  • Sales

  • Manufacturing
  • Engineering team: Development
  • Procurement
  • QA management
  • Logistics
  • Project Management
Ole Wolff  specializes in providing total headphone solutions. We can help with everything from initial concept to finished product (ODM, OEM and JDM products).

By applying the right mix of skills, technologies and competences we can lift a heavy load for you and become an extension of your own product development team.

 Core competences

  • Experienced and highly skilled acoustic development team
  • In house driver design and production
  • Global presence – eases stress of communication vs other suppliers who have offices only in Asia
  • Long-term experience of making headsets for brand name customers
  • Experience in production of both high end headsets as well as high volume lower cost products
  • Understanding of working with ‘exotic’ materials

  • Magnetics
Ole Wolff was founded in 1983 in Denmark where it is still headquartered. Today we have 8 sales offices worldwide, 3 R/D & application support centres along with ISO9001 and ISO14001 approved manufacturing facilities in Asia.

By combining our advanced design capabilities with production sites in Asia we are cost efficient while offering quality high-end components. Same time we are via our global presence able to serve our customers locally understanding their needs and demands.

Ole Wolff is committed to the production of the highest quality components and we have implemented a range of quality management systems. All of these efforts ensure that we achieve a high level of consistency in our products, and that our customers always receive components of the highest quality.

Ole Wolff is now focused on two product areas: acoustics and magnetic.

History

1983 Ole Wolff Elektronik A/S founded by Mr. Ole Wolff
1989 Ole Wolff Elektronik GmbH – sales office in Germany established.
1990 Ole Wolff (Asia) Ltd. – sales office in Hong Kong established.
1993 Ole Wolff Electronics Ltd. – sales office in England established.
1998 Ole Wolff Electronics in Malaysia established.
1999 Ole Wolff Magnetic factory in China established
2000 Ole Wolff sales office in USA established.
2001 Ole Wolff sales office in Finland established.
2003 Acoustic Design Center in Korea established.
2004 Ole Wolff Acoustic factory in China established.
2006 Magnetic Support Center established in Shenzhen, China
2008 Acoustic Design Center in China established
2009 Application Support office in Toronto established
2010 Ole Wolff Taiwan established as sales office
2011 Ole Wolff establish sales office in San Jose, USA

OLE WOLFF ELECTRONICS INC.
JEFFERSON FOREST DRIVE
RICHMOND HILL, ON L4E 4K6
CANADA
T: +1 416 953 5015

OLE WOLFF ELECTRONICS INC.
150 NORTH MICHIGAN AVENUE
CHICAGO, IL 60601
USA
T: +1 312 624 7695
F: +1 312 624 7721

OLE WOLFF ELECTRONICS INC.
1525 MCCARTHY BLVD,
SUITE 1093
MILPITAS, CA 95035
USA
T: +1 408 888 8413

OLE WOLFF ELEKTRONIK A/S
ROEDENGVEJ 25
DK-4180 SOROE
DENMARK
T: + 45 5783 3830
F: + 45 5782 0019

OLE WOLFF ELEKTRONIK
P.O.BOX 257 (Yliopistonkatu 26 A)
FIN – 40101 JYVÄSKYLÄ
FINLAND
T: +358 14 338 3050
F: +358 14 338 3059

OLE WOLFF ELEKTRONIK GmbH
SCHULSTRASSE 15A
DE-25451 QUICKBORN
GERMANY
T: +49 (0) 4106 765900
F: +49 (0) 4106 627297

OLE WOLFF ELECTRONICS LTD
3 BEDFORD STREET. WOBURN
BEDFORDSHIRE MK17 9QB
UINTED KINGDOM
T: +44 (0) 1525 290755
F: +44 (0) 1525 290855

OLE WOLFF LTD
UNIT 8G. BLOCK B
NEPTUNUS BUILDING, NANHAI AVENUE
NANSHAN DISTRICT
SHENZHEN 518054, CHINA
T: +86 755 8261 2542
F: +86 755 2518 3358

OLE WOLFF (ASIA) LTD.
Unit B, 19/F, Bold Win Ind. Bldg., No.. 16-18
Wah Sing Street, Kwai Chung, N.T.HONG KONG
T: (852) 24 24 32 74
F: (852) 24 24 22 19

OLE WOLFF LTD
179,SEC. 4 XINGLONG ROAD
WENSHAN DISTRICT TAIPEI CITY 116
TAIWAN (R.O.C.)
T: +886 928 548 068

Product portfolio

Please enter for more information on Ole Wolff product range

Speakers

Receivers

Microphones

Audio buzzer

Ole Wolff Focus

Technology

Ole Wolff offers extremely strong acoustic R&D support for both full systems and individual drivers.

Our R&D team includes Danish engineers with more than 20 years of experience in designing world class premium drivers and audio systems.

Utilizing tools such as Klippel, Soundcheck and FEM simulation we are able to meet your exact performance requirements.

Quality

Quality Management is a key element throughout the entire product development process, from the early design phase to shipping of the finished goods.

By controlling the entire QA process along with product development and manufacturing Ole Wolff ensures that your product will meet all the required environmental, reliability and life-cycle tests, as well as meet the highest possible manufacturing quality and consistency.

Together with our manufacturing partner we have more than 30 years experience of producing high quality products. In addition, we utilize Soundcheck to test 100% of all production.

Communication

Good project management is at the heart of every successful project and key to this is good communication. Ole Wolff takes a proactive role to manage and track your project from start to finish in order to deliver the product at the right time, cost and quality.

Through local support with your team throughout the project, we ensure that we fully understand every aspect of your product requirements. We do not assume anything, and we will ask if there is something we are not 100% sure about.

Cost

In order to be cost competitive Ole Wolff operates a unique lean model where we have minimized any unnecessary costs.

We focus our resources where it is needed and where it can add the most value.

Combining Danish acoustic technology and product design with Chinese manufacturing results in innovative high performing products at a competitive price.

  • Research, design and technology
  • Program management
  • Sales

  • Manufacturing
  • Engineering team: Development
  • Procurement
  • QA management
  • Logistics
  • Project Management

Product Portfolio based on Application

Headphones

Cordless/VoIP phones

Smartphones/tablets

Ole Wolff is well known and recognized worldwide for our high quality transducers, as well as our unique design capabilities, which are supplied to a broad range of first tier companies within the consumer electronics industry.

  • Fast and flexible approach to customer’s unique or special requirements.
  • Develop innovative acoustic solutions that help our customers optimize their audio performance.
  • Manufacture our components cost-efficiently and in consistent quality.
  • Assist our customers worldwide through ready and available sales and applications engineering support.

Microphone

Part Number Picture Foot Print Height “Sensitivity (dB)” SNR (dB) Directivity Type
OWMO-2215T 2.0mm dia 1.5mm -40 ~ -46 dB >=55~58dB Omni ECM
OWMO-3015 3.0mm dia 1.5mm -40 ~ -46 dB >=55~58dB Omni ECM
OWMO-4012 4.0mm dia 1.2mm -38 ~ -46 dB >=55~65dB Omni ECM
OWMO-4015 4.0mm dia 1.5mm -38 ~ -46 dB >=55~65dB Omni ECM
OWMO-6015 6.0mm dia 1.5mm -38 ~ -46 dB >=55~65dB Omni ECM
OWMO-6018 6.0mm dia 1.8mm -38 ~ -46 dB >=55~65dB Omni ECM
OWMO-6022 6.0mm dia 2.2mm -38 ~ -46 dB >=55~65dB Omni ECM
OWMO-6027 6.0mm dia 2.7mm -38 ~ -46 dB >=55~65dB Omni ECM
OWMO-6050 6.0mm dia 5.0mm -38 ~ -46 dB >=55~65dB Omni ECM
OWMO-9745 9.7mm dia 4.5mm -38 ~ -46 dB >=55~60dB Omni ECM
OWMO-9765 9.7mm dia 6.5mm -38 ~ -46 dB >=55~60dB Omni ECM
OWMOD-4015 4.0mm dia 1.5mm -26 ~ -34 dB >=55dB Omni Digital ECM
OWMOD-6020 6.0mm dia 2.0mm -20 ~ -34 dB >=58dB Omni Digital ECM
OWMOD-6022 6.0mm dia 2.2mm -20 ~ -34 dB >=58dB Omni Digital ECM
OWMOD-6027 6.0mm dia 2.7mm -20 ~ -34 dB >=58dB Omni Digital ECM
OWMOS-3012 3.0mm dia 1.2mm -42 ~ -46 dB >=55dB Omni SMD ECM
OWMOS-4012 4.0mm dia 1.2mm -40 ~ -46 dB >=58dB Omni SMD ECM
OWMOS-4015 4.0mm dia 1.5mm -40 ~ -46 dB >=58dB Omni SMD ECM
OWMMO-372911 3.76X2.95mm 1.1mm -39 ~ -45 dB >=55dB Omni MEMS
OWMMO-372911-BP 3.76X2.95mm 1.1mm -39 ~ -45 dB >=55dB Omni MEMS
OWMU-4020 4.0mm dia 2.0mm -44 ~ -47 dB >=50dB Uni ECM
OWMU-6022 6.0mm dia 2.2mm -44 ~ -47 dB >=55dB Uni ECM
OWMU-6027 6.0mm dia 2.7mm -44 ~ -47 dB >=55dB Uni ECM
OWMU-9750 9.7mm dia 5.0mm -38 ~ -45 dB >=58dB Uni ECM

Speaker

Part Number Picture X & Y dimension Height Termination Impedance Power Nom/Max F0 SPL(dB, @0.1W, 0.1m) Application
OWS-081525L-8 8x15mm 2.5mm Terminal 0.5W/1.0W 800Hz (in 1cc box) 80 (in 1cc box, average 1-3kHz) Tablet/Mobile Phone
OWS-111530W-8B 11x15mm 3.0mm Lead wires 0.5W/1.0W 900Hz (in 1cc box) 81 (in 1cc box, average 1-3kHz) Tablet/Mobile Phone
OWS-1337W45-8A Φ13mm 3.7mm Lead wires 0.5W/0.8W 900Hz 86 (free air, average 0.8~1.5kHz) General speaker
OWS-142030L-8 14×20mm 3.0mm Leaf Spring 0.5W/1.0W 900Hz 83 (in 1.5cc box, @2kHz) Tablet/Mobile Phone
OWS-1536L-8A Φ15mm 3.6mm Leaf Spring 0.8W/1.0W 850Hz 88 (free air, average 0.8~1.5kHz) General speaker
OWDM-1633W-8C3M Φ16mm 3.3mm Lead wires 0.6W/1.0W 710Hz 89 (free air, average 0.8~1.5kHz) General speaker
OWDM-1936CW-8B Φ19mm 3.6mm Lead wires 0.5W/0.8W 650Hz 93 (free air, average 0.8~1.5kHz) General speaker
OWS-2860W-8A Φ28mm 6.0mm Lead wires 0.5W/1.0W 450Hz 88 (free air, @1.0kHz) General speaker
OWS-323215T-4 32×32mm 16mm Terminal 2.0W/3.0W 220Hz 84 (free air, @1.0kHz) Conference phones
OWS-3648T-8B Φ36mm 4.8mm Terminal 0.8W/1.0W 390Hz 91 (free air, @1.0kHz) General speaker
OWS-4075T-8A Φ40mm 7.5mm Terminal 2.0W/2.5W 400Hz (free air, @1.0kHz) General speaker
OWS-5519W125-25 Φ50mm 19.0mm Lead wires 25Ω 1.0W/2.0W 270Hz 93 (free air, @1.0kHz) VOIP Phone
OWS-5223CW70-4-G54 Φ52mm 24.5mm Lead wires 1.0W/2.0W 180Hz 89.5(free air, @1.0kHz) VOIP Phone

Receivers

Part Number Picture X & Y dimension Height Termination Impedance Power Nom/Max F0 Application Remarks
OWR-0480T Φ4.8mm 4.8mm Terminal 16Ω 5mW/10mW 3300Hz In-ear earphone
OWR-0580T Φ5.8mm 4.7mm Terminal 13Ω 5mW/10mW 3100Hz In-ear earphone
OWRL-061520L-32 6×15mm 2.0mm Leaf Spring 32Ω 10mW/20mW 300Hz Smartphone Wideband, HAC
OWRL-0615L-32D 6×15mm 3.0mm Leaf Spring 32Ω 10mW/30mW 450Hz Cordless/Mobile phone HAC
OWR-0680T Φ6.9mm 4.4mm Terminal 16Ω 5mW/10mW 3100Hz In-ear earphone
OWR-0860T Φ8.6mm 4.5mm Terminal 16Ω 5mW/10mW 3100Hz In-ear earphone
OWR-0843T Φ8.6mm 4.3mm Terminal 32Ω 10mW/20mW 450Hz Bluetooth headset
OWR-081515L-32 8x15mm 1.5mm Leaf Spring 32Ω 10mW/30mW 350Hz Smartphone Wideband, HAC
OWR-1036W-32 Φ10mm 3.6mm Lead wires 32Ω 5mW/10mW 400Hz Bluetooth headset
OWRL-1043W-32 Φ10mm 4.3mm Lead wires 32Ω 20mW/30mW 375Hz Bluetooth headset
OWRL-1338W-32 Φ13.3mm 3.8mm Lead wires 32Ω 10mW/20mW 300Hz Bluetooth headset Wideband HAC
OWR-2362T-32 Φ23mm 6.2mm Terminal 32Ω 10mW/30mW 200Hz Headset Wideband
OWR-3083T-150WB Φ30mm 8.5mm Terminal 150Ω 10mW/30mW 160 Hz VoiP phone Wideband, HAC
OWR-3270T Φ32mm 7.0mm Terminal 20Ω 30mW/40mW 120Hz Headset
OWR-3255T Φ32mm 5.5mm Terminal 32Ω 10mW/30mW 150Hz Headset
OWR-4089T-32 Φ40mm 8.9mm Terminal 32Ω 10mW/15mW 95Hz Headphone
OWR-4011T-32 Φ40mm 11mm Terminal 32Ω 30mW/60mW 120Hz Headphone
OWRL-5088T-32 Φ50mm 8.8mm Terminal 32Ω 40mW/85mW 80Hz Headphone

Audio buzzer

Part Number Picture Dimension (mm) SPL (dB, @10cm) F0 (Hz) Rated Voltage Terminal Type
OWMB-505020S-40-12 5.0*5.0*2.0 >=78 4000 3 SMD Magnetic
OWMB-505030S-40-12 5.0*5.0*3.0 >=78 4000 3 SMD Magnetic
OWMB-757525S-27-15 7.5*7.5*2.5 >=85 2700 3.6 SMD Magnetic
OWMB-858530S-27-25 8.5*8.5*3.0 >=85 2731 3 SMD Magnetic
OWMB-858540S-27-16 8.5*8.5*4.0 >=90 2731 3.6 SMD Magnetic
OWMB-888828S-16-2730-85 8.8*8.8*2.8 >=85 2730 3.6 SMD Magnetic
OWMB-909045S-32-16 9.0*9.0*4.5 >=90 3200 3.3 SMD Magnetic
OWMB-131310S-23 12.8*12.8*10 >=85 2300 3 SMD Magnetic (VDC voltage)
OWMB-1285-31-16 12*8.5 >=90 3100 3.3 Pin Magnetic
OWMB-7614P-20-50 16*14 >=85 2048 6 Pin Magnetic
OWPB-121230S-40-05 12*12*3.0 >=75 4000 3.0 (25 max) SMD Piezo
OWPB-141440S-40-05 14.1*14.9*4.5 >=80 4000 5.0 (20 max) SMD Piezo
OWPB-3020-35-12 30.2*19.2 >=104.5 3500 12.0 (20 max) Pin Piezo (VDC voltage)
OWPB-5029-25-12 50*29 >=116 2500 12.0 (13 max) Pin Piezo (VDC voltage)
OWPB-1260-60W13-05 12*0.14 -6000 <=30 Lead wire Piezo disk with wire
Please enter for more information on Ole Wolff product range

Product Portfolio

Transformers+ Wide Selection Of Ferrite Cores:
EE, EI, EF, EFD, ER, EER,
ETD,RM, PQ, U, and I
+ Wide Selection Of Bobbins
Horizontal/Vertical, Through-Hole/SMT,
Multiple Pin Options
+ Custom Built To Your Specifications:
SMD Power Inductors
Pin Type Power Inductors
SMD Toroidal Coils
EMI Suppressors
Balun Coils
Line Filters
Common Mode Chokes

Ole Wolff Focus

Technology

Our R&D team possesses a high level of expertise in the development and production of customized solutions based on customers specific requests.

Communication

Good project management is at the heart of every successful project and key to this is good communication.

Ole Wolff takes a proactive role to manage and track your project from start to finish in order to deliver the product at the right time, cost and quality. We provide local support throughout the project. We ensure that we fully understand every aspect of your product requirements. We don’t assume anything, and we will ask if there is something we are not 100% sure about.- Our R&D team possesses a high level of expertise in the development and production of customized solutions based on customers specific requests.

Cost

In order to be cost competitive Ole Wolff operates a unique lean model where we have minimized any unnecessary costs.

We focus our resources where it is needed and where it can add the most value.

Combining optimized design and quality management with Chinese manufacturing results in innovative high performing products at a competitive price.

Quality

Quality Management is a key element throughout the entire product development process, from the early design phase to shipping of the finished goods.

By controlling the entire QA process along with product development and manufacturing Ole Wolff ensures that your product will meet all the required environmental, reliability and life-cycle tests, as well as meet the highest possible manufacturing quality and consistency.

End product application

Our magnetic product portfolio includes power inductors, transformers, chokes and line filters serving a broad range of market segments from consumer to industrial electronics.

  • Rapid turn around on custom samples.
  • Flexibility to meet your specific demands.
  • High level of expertise in providing customized solutions to meet your requirements.
  • Excellent local and global support from initial design right through to production.
  • Wide range of cost effective drop in alternatives to market leading power inductor competitors

Ole Wolff Total Solutions

Please enter for more information

Our total solutions offer the flexibility to our customers to choose from a wide selection of services

Ole Wolff Design

Ole Wolff offers a selection of in house designed headphones and earphones which we offer to interested customers on an exclusive basis

Circumaural Headphone

OWE-5.8A

OWE-6.9A

OWE-8.6A

OWE-10A

Ole Wolff Focus

Technology

Ole Wolff offers extremely strong acoustic R&D support for both full systems and individual drivers.

Our R&D team includes Danish engineers with more than 20 years of experience in designing world class premium drivers and audio systems.

Utilizing tools such as Klippel, Soundcheck and FEM simulation we are able to meet your exact performance requirements.

Performance

Obtaining the right acoustic performance is critical. We know that optimized acoustic performance leads to more satisfied customers and fuels additional product sales.

The engineers at Ole Wolff will work closely with your team to achieve your exact performance targets. We can tailor everything to your requirements and even customize the drive unit design to generate your own unique drivers.

Quality

Quality Management is a key element throughout the entire product development process, from the early design phase to shipping of the finished goods.

By controlling the entire QA process along with product development and manufacturing Ole Wolff ensures that your product will meet all the required environmental, reliability and life-cycle tests, as well as meet the highest possible manufacturing quality and consistency.

Together with our manufacturing partner we have more than 30 years experience of producing high quality products. In addition, we utilize Soundcheck to test 100% of all production.

Communication

Good project management is at the heart of every successful project and key to this is good communication. Ole Wolff takes a proactive role to manage and track your project from start to finish in order to deliver the product at the right time, cost and quality.

Through local support with your team throughout the project, we ensure that we fully understand every aspect of your product requirements. We do not assume anything, and we will ask if there is something we are not 100% sure about.

Cost

In order to be cost competitive Ole Wolff operates a unique lean model where we have minimized any unnecessary costs.

We focus our resources where it is needed and where it can add the most value.

Combining Danish acoustic technology and product design with Chinese manufacturing results in innovative high performing products at a competitive price.

  • Research, design and technology,
  • Program management
  • Sales

  • Manufacturing
  • Engineering team: Development
  • Procurement
  • QA management
  • Logistics
  • Project Management
Ole Wolff  specializes in providing total headphone solutions. We can help with everything from initial concept to finished product (ODM, OEM and JDM products).

By applying the right mix of skills, technologies and competences we can lift a heavy load for you and become an extension of your own product development team.

 Core competences

  • Experienced and highly skilled acoustic development team
  • In house driver design and production
  • Global presence – eases stress of communication vs other suppliers who have offices only in Asia
  • Long-term experience of making headsets for brand name customers
  • Experience in production of both high end headsets as well as high volume lower cost products
  • Understanding of working with ‘exotic’ materials

  • ACOUSTICS
Ole Wolff was founded in 1983 in Denmark where it is still headquartered. Today we have 8 sales offices worldwide, 3 R/D & application support centres along with ISO9001 and ISO14001 approved manufacturing facilities in Asia.

By combining our advanced design capabilities with production sites in Asia we are cost efficient while offering quality high-end components. Same time we are via our global presence able to serve our customers locally understanding their needs and demands.

Ole Wolff is committed to the production of the highest quality components and we have implemented a range of quality management systems. All of these efforts ensure that we achieve a high level of consistency in our products, and that our customers always receive components of the highest quality.

Ole Wolff is now focused on two product areas: acoustics and magnetic.

History

1983 Ole Wolff Elektronik A/S founded by Mr. Ole Wolff
1989 Ole Wolff Elektronik GmbH – sales office in Germany established.
1990 Ole Wolff (Asia) Ltd. – sales office in Hong Kong established.
1993 Ole Wolff Electronics Ltd. – sales office in England established.
1998 Ole Wolff Electronics in Malaysia established.
1999 Ole Wolff Magnetic factory in China established
2000 Ole Wolff sales office in USA established.
2001 Ole Wolff sales office in Finland established.
2003 Acoustic Design Center in Korea established.
2004 Ole Wolff Acoustic factory in China established.
2006 Magnetic Support Center established in Shenzhen, China
2008 Acoustic Design Center in China established
2009 Application Support office in Toronto established
2010 Ole Wolff Taiwan established as sales office
2011 Ole Wolff establish sales office in San Jose, USA

OLE WOLFF ELECTRONICS INC.
JEFFERSON FOREST DRIVE
RICHMOND HILL, ON L4E 4K6
CANADA
T: +1 416 953 5015

OLE WOLFF ELECTRONICS INC.
150 NORTH MICHIGAN AVENUE
CHICAGO, IL 60601
USA
T: +1 312 624 7695
F: +1 312 624 7721

OLE WOLFF ELECTRONICS INC.
1525 MCCARTHY BLVD,
SUITE 1093
MILPITAS, CA 95035
USA
T: +1 408 888 8413

OLE WOLFF ELEKTRONIK A/S
ROEDENGVEJ 25
DK-4180 SOROE
DENMARK
T: + 45 5783 3830
F: + 45 5782 0019

OLE WOLFF ELEKTRONIK
P.O.BOX 257 (Yliopistonkatu 26 A)
FIN – 40101 JYVÄSKYLÄ
FINLAND
T: +358 14 338 3050
F: +358 14 338 3059

OLE WOLFF ELEKTRONIK GmbH
SCHULSTRASSE 15A
DE-25451 QUICKBORN
GERMANY
T: +49 (0) 4106 765900
F: +49 (0) 4106 627297

OLE WOLFF ELECTRONICS LTD
3 BEDFORD STREET. WOBURN
BEDFORDSHIRE MK17 9QB
UINTED KINGDOM
T: +44 (0) 1525 290755
F: +44 (0) 1525 290855

OLE WOLFF LTD
UNIT 8G. BLOCK B
NEPTUNUS BUILDING, NANHAI AVENUE
NANSHAN DISTRICT
SHENZHEN 518054, CHINA
T: +86 755 8261 2542
F: +86 755 2518 3358

OLE WOLFF (ASIA) LTD.
Unit B, 19/F, Bold Win Ind. Bldg., No.. 16-18
Wah Sing Street, Kwai Chung, N.T.HONG KONG
T: (852) 24 24 32 74
F: (852) 24 24 22 19

OLE WOLFF LTD
179,SEC. 4 XINGLONG ROAD
WENSHAN DISTRICT TAIPEI CITY 116
TAIWAN (R.O.C.)
T: +886 928 548 068

Product portfolio

Please enter for more information on Ole Wolff product range

Speakers

Receivers

Microphones

Audio buzzer

Ole Wolff Focus

Technology

Ole Wolff offers extremely strong acoustic R&D support for both full systems and individual drivers.

Our R&D team includes Danish engineers with more than 20 years of experience in designing world class premium drivers and audio systems.

Utilizing tools such as Klippel, Soundcheck and FEM simulation we are able to meet your exact performance requirements.

Quality

Quality Management is a key element throughout the entire product development process, from the early design phase to shipping of the finished goods.

By controlling the entire QA process along with product development and manufacturing Ole Wolff ensures that your product will meet all the required environmental, reliability and life-cycle tests, as well as meet the highest possible manufacturing quality and consistency.

Together with our manufacturing partner we have more than 30 years experience of producing high quality products. In addition, we utilize Soundcheck to test 100% of all production.

Communication

Good project management is at the heart of every successful project and key to this is good communication. Ole Wolff takes a proactive role to manage and track your project from start to finish in order to deliver the product at the right time, cost and quality.

Through local support with your team throughout the project, we ensure that we fully understand every aspect of your product requirements. We do not assume anything, and we will ask if there is something we are not 100% sure about.

Cost

In order to be cost competitive Ole Wolff operates a unique lean model where we have minimized any unnecessary costs.

We focus our resources where it is needed and where it can add the most value.

Combining Danish acoustic technology and product design with Chinese manufacturing results in innovative high performing products at a competitive price.

  • Research, design and technology
  • Program management
  • Sales

  • Manufacturing
  • Engineering team: Development
  • Procurement
  • QA management
  • Logistics
  • Project Management

Product Portfolio based on Application

Headphones

Cordless/VoIP phones

Smartphones/tablets

Ole Wolff is well known and recognized worldwide for our high quality transducers, as well as our unique design capabilities, which are supplied to a broad range of first tier companies within the consumer electronics industry.

  • Fast and flexible approach to customer’s unique or special requirements.
  • Develop innovative acoustic solutions that help our customers optimize their audio performance.
  • Manufacture our components cost-efficiently and in consistent quality.
  • Assist our customers worldwide through ready and available sales and applications engineering support.

Microphone

Part Number Picture Foot Print Height “Sensitivity (dB)” SNR (dB) Directivity Type
OWMO-2215T 2.0mm dia 1.5mm -40 ~ -46 dB >=55~58dB Omni ECM
OWMO-3015 3.0mm dia 1.5mm -40 ~ -46 dB >=55~58dB Omni ECM
OWMO-4012 4.0mm dia 1.2mm -38 ~ -46 dB >=55~65dB Omni ECM
OWMO-4015 4.0mm dia 1.5mm -38 ~ -46 dB >=55~65dB Omni ECM
OWMO-6015 6.0mm dia 1.5mm -38 ~ -46 dB >=55~65dB Omni ECM
OWMO-6018 6.0mm dia 1.8mm -38 ~ -46 dB >=55~65dB Omni ECM
OWMO-6022 6.0mm dia 2.2mm -38 ~ -46 dB >=55~65dB Omni ECM
OWMO-6027 6.0mm dia 2.7mm -38 ~ -46 dB >=55~65dB Omni ECM
OWMO-6050 6.0mm dia 5.0mm -38 ~ -46 dB >=55~65dB Omni ECM
OWMO-9745 9.7mm dia 4.5mm -38 ~ -46 dB >=55~60dB Omni ECM
OWMO-9765 9.7mm dia 6.5mm -38 ~ -46 dB >=55~60dB Omni ECM
OWMOD-4015 4.0mm dia 1.5mm -26 ~ -34 dB >=55dB Omni Digital ECM
OWMOD-6020 6.0mm dia 2.0mm -20 ~ -34 dB >=58dB Omni Digital ECM
OWMOD-6022 6.0mm dia 2.2mm -20 ~ -34 dB >=58dB Omni Digital ECM
OWMOD-6027 6.0mm dia 2.7mm -20 ~ -34 dB >=58dB Omni Digital ECM
OWMOS-3012 3.0mm dia 1.2mm -42 ~ -46 dB >=55dB Omni SMD ECM
OWMOS-4012 4.0mm dia 1.2mm -40 ~ -46 dB >=58dB Omni SMD ECM
OWMOS-4015 4.0mm dia 1.5mm -40 ~ -46 dB >=58dB Omni SMD ECM
OWMMO-372911 3.76X2.95mm 1.1mm -39 ~ -45 dB >=55dB Omni MEMS
OWMMO-372911-BP 3.76X2.95mm 1.1mm -39 ~ -45 dB >=55dB Omni MEMS
OWMU-4020 4.0mm dia 2.0mm -44 ~ -47 dB >=50dB Uni ECM
OWMU-6022 6.0mm dia 2.2mm -44 ~ -47 dB >=55dB Uni ECM
OWMU-6027 6.0mm dia 2.7mm -44 ~ -47 dB >=55dB Uni ECM
OWMU-9750 9.7mm dia 5.0mm -38 ~ -45 dB >=58dB Uni ECM

Speaker

Part Number Picture X & Y dimension Height Termination Impedance Power Nom/Max F0 SPL(dB, @0.1W, 0.1m) Application
OWS-081525L-8 8x15mm 2.5mm Terminal 0.5W/1.0W 800Hz (in 1cc box) 80 (in 1cc box, average 1-3kHz) Tablet/Mobile Phone
OWS-111530W-8B 11x15mm 3.0mm Lead wires 0.5W/1.0W 900Hz (in 1cc box) 81 (in 1cc box, average 1-3kHz) Tablet/Mobile Phone
OWS-1337W45-8A Φ13mm 3.7mm Lead wires 0.5W/0.8W 900Hz 86 (free air, average 0.8~1.5kHz) General speaker
OWS-142030L-8 14×20mm 3.0mm Leaf Spring 0.5W/1.0W 900Hz 83 (in 1.5cc box, @2kHz) Tablet/Mobile Phone
OWS-1536L-8A Φ15mm 3.6mm Leaf Spring 0.8W/1.0W 850Hz 88 (free air, average 0.8~1.5kHz) General speaker
OWDM-1633W-8C3M Φ16mm 3.3mm Lead wires 0.6W/1.0W 710Hz 89 (free air, average 0.8~1.5kHz) General speaker
OWDM-1936CW-8B Φ19mm 3.6mm Lead wires 0.5W/0.8W 650Hz 93 (free air, average 0.8~1.5kHz) General speaker
OWS-2860W-8A Φ28mm 6.0mm Lead wires 0.5W/1.0W 450Hz 88 (free air, @1.0kHz) General speaker
OWS-323215T-4 32×32mm 16mm Terminal 2.0W/3.0W 220Hz 84 (free air, @1.0kHz) Conference phones
OWS-3648T-8B Φ36mm 4.8mm Terminal 0.8W/1.0W 390Hz 91 (free air, @1.0kHz) General speaker
OWS-4075T-8A Φ40mm 7.5mm Terminal 2.0W/2.5W 400Hz (free air, @1.0kHz) General speaker
OWS-5519W125-25 Φ50mm 19.0mm Lead wires 25Ω 1.0W/2.0W 270Hz 93 (free air, @1.0kHz) VOIP Phone
OWS-5223CW70-4-G54 Φ52mm 24.5mm Lead wires 1.0W/2.0W 180Hz 89.5(free air, @1.0kHz) VOIP Phone

Receivers

Part Number Picture X & Y dimension Height Termination Impedance Power Nom/Max F0 Application Remarks
OWR-0480T Φ4.8mm 4.8mm Terminal 16Ω 5mW/10mW 3300Hz In-ear earphone
OWR-0580T Φ5.8mm 4.7mm Terminal 13Ω 5mW/10mW 3100Hz In-ear earphone
OWRL-061520L-32 6×15mm 2.0mm Leaf Spring 32Ω 10mW/20mW 300Hz Smartphone Wideband, HAC
OWRL-0615L-32D 6×15mm 3.0mm Leaf Spring 32Ω 10mW/30mW 450Hz Cordless/Mobile phone HAC
OWR-0680T Φ6.9mm 4.4mm Terminal 16Ω 5mW/10mW 3100Hz In-ear earphone
OWR-0860T Φ8.6mm 4.5mm Terminal 16Ω 5mW/10mW 3100Hz In-ear earphone
OWR-0843T Φ8.6mm 4.3mm Terminal 32Ω 10mW/20mW 450Hz Bluetooth headset
OWR-081515L-32 8x15mm 1.5mm Leaf Spring 32Ω 10mW/30mW 350Hz Smartphone Wideband, HAC
OWR-1036W-32 Φ10mm 3.6mm Lead wires 32Ω 5mW/10mW 400Hz Bluetooth headset
OWRL-1043W-32 Φ10mm 4.3mm Lead wires 32Ω 20mW/30mW 375Hz Bluetooth headset
OWRL-1338W-32 Φ13.3mm 3.8mm Lead wires 32Ω 10mW/20mW 300Hz Bluetooth headset Wideband HAC
OWR-2362T-32 Φ23mm 6.2mm Terminal 32Ω 10mW/30mW 200Hz Headset Wideband
OWR-3083T-150WB Φ30mm 8.5mm Terminal 150Ω 10mW/30mW 160 Hz VoiP phone Wideband, HAC
OWR-3270T Φ32mm 7.0mm Terminal 20Ω 30mW/40mW 120Hz Headset
OWR-3255T Φ32mm 5.5mm Terminal 32Ω 10mW/30mW 150Hz Headset
OWR-4089T-32 Φ40mm 8.9mm Terminal 32Ω 10mW/15mW 95Hz Headphone
OWR-4011T-32 Φ40mm 11mm Terminal 32Ω 30mW/60mW 120Hz Headphone
OWRL-5088T-32 Φ50mm 8.8mm Terminal 32Ω 40mW/85mW 80Hz Headphone

Audio buzzer

Part Number Picture Dimension (mm) SPL (dB, @10cm) F0 (Hz) Rated Voltage Terminal Type
OWMB-505020S-40-12 5.0*5.0*2.0 >=78 4000 3 SMD Magnetic
OWMB-505030S-40-12 5.0*5.0*3.0 >=78 4000 3 SMD Magnetic
OWMB-757525S-27-15 7.5*7.5*2.5 >=85 2700 3.6 SMD Magnetic
OWMB-858530S-27-25 8.5*8.5*3.0 >=85 2731 3 SMD Magnetic
OWMB-858540S-27-16 8.5*8.5*4.0 >=90 2731 3.6 SMD Magnetic
OWMB-888828S-16-2730-85 8.8*8.8*2.8 >=85 2730 3.6 SMD Magnetic
OWMB-909045S-32-16 9.0*9.0*4.5 >=90 3200 3.3 SMD Magnetic
OWMB-131310S-23 12.8*12.8*10 >=85 2300 3 SMD Magnetic (VDC voltage)
OWMB-1285-31-16 12*8.5 >=90 3100 3.3 Pin Magnetic
OWMB-7614P-20-50 16*14 >=85 2048 6 Pin Magnetic
OWPB-121230S-40-05 12*12*3.0 >=75 4000 3.0 (25 max) SMD Piezo
OWPB-141440S-40-05 14.1*14.9*4.5 >=80 4000 5.0 (20 max) SMD Piezo
OWPB-3020-35-12 30.2*19.2 >=104.5 3500 12.0 (20 max) Pin Piezo (VDC voltage)
OWPB-5029-25-12 50*29 >=116 2500 12.0 (13 max) Pin Piezo (VDC voltage)
OWPB-1260-60W13-05 12*0.14 -6000 <=30 Lead wire Piezo disk with wire
Please enter for more information on Ole Wolff product range

Product Portfolio

Transformers+ Wide Selection Of Ferrite Cores:
EE, EI, EF, EFD, ER, EER,
ETD,RM, PQ, U, and I
+ Wide Selection Of Bobbins
Horizontal/Vertical, Through-Hole/SMT,
Multiple Pin Options
+ Custom Built To Your Specifications:
SMD Power Inductors
Pin Type Power Inductors
SMD Toroidal Coils
EMI Suppressors
Balun Coils
Line Filters
Common Mode Chokes

Ole Wolff Focus

Technology

Our R&D team possesses a high level of expertise in the development and production of customized solutions based on customers specific requests.

Communication

Good project management is at the heart of every successful project and key to this is good communication.

Ole Wolff takes a proactive role to manage and track your project from start to finish in order to deliver the product at the right time, cost and quality. We provide local support throughout the project. We ensure that we fully understand every aspect of your product requirements. We don’t assume anything, and we will ask if there is something we are not 100% sure about.- Our R&D team possesses a high level of expertise in the development and production of customized solutions based on customers specific requests.

Cost

In order to be cost competitive Ole Wolff operates a unique lean model where we have minimized any unnecessary costs.

We focus our resources where it is needed and where it can add the most value.

Combining optimized design and quality management with Chinese manufacturing results in innovative high performing products at a competitive price.

Quality

Quality Management is a key element throughout the entire product development process, from the early design phase to shipping of the finished goods.

By controlling the entire QA process along with product development and manufacturing Ole Wolff ensures that your product will meet all the required environmental, reliability and life-cycle tests, as well as meet the highest possible manufacturing quality and consistency.

End product application

Our magnetic product portfolio includes power inductors, transformers, chokes and line filters serving a broad range of market segments from consumer to industrial electronics.

  • Rapid turn around on custom samples.
  • Flexibility to meet your specific demands.
  • High level of expertise in providing customized solutions to meet your requirements.
  • Excellent local and global support from initial design right through to production.
  • Wide range of cost effective drop in alternatives to market leading power inductor competitors

Ole Wolff Total Solutions

Please enter for more information

Our total solutions offer the flexibility to our customers to choose from a wide selection of services

Ole Wolff Design

Ole Wolff offers a selection of in house designed headphones and earphones which we offer to interested customers on an exclusive basis

Circumaural Headphone

OWE-5.8A

OWE-6.9A

OWE-8.6A

OWE-10A

Ole Wolff Focus

Technology

Ole Wolff offers extremely strong acoustic R&D support for both full systems and individual drivers.

Our R&D team includes Danish engineers with more than 20 years of experience in designing world class premium drivers and audio systems.

Utilizing tools such as Klippel, Soundcheck and FEM simulation we are able to meet your exact performance requirements.

Performance

Obtaining the right acoustic performance is critical. We know that optimized acoustic performance leads to more satisfied customers and fuels additional product sales.

The engineers at Ole Wolff will work closely with your team to achieve your exact performance targets. We can tailor everything to your requirements and even customize the drive unit design to generate your own unique drivers.

Quality

Quality Management is a key element throughout the entire product development process, from the early design phase to shipping of the finished goods.

By controlling the entire QA process along with product development and manufacturing Ole Wolff ensures that your product will meet all the required environmental, reliability and life-cycle tests, as well as meet the highest possible manufacturing quality and consistency.

Together with our manufacturing partner we have more than 30 years experience of producing high quality products. In addition, we utilize Soundcheck to test 100% of all production.

Communication

Good project management is at the heart of every successful project and key to this is good communication. Ole Wolff takes a proactive role to manage and track your project from start to finish in order to deliver the product at the right time, cost and quality.

Through local support with your team throughout the project, we ensure that we fully understand every aspect of your product requirements. We do not assume anything, and we will ask if there is something we are not 100% sure about.

Cost

In order to be cost competitive Ole Wolff operates a unique lean model where we have minimized any unnecessary costs.

We focus our resources where it is needed and where it can add the most value.

Combining Danish acoustic technology and product design with Chinese manufacturing results in innovative high performing products at a competitive price.

  • Research, design and technology,
  • Program management
  • Sales

  • Manufacturing
  • Engineering team: Development
  • Procurement
  • QA management
  • Logistics
  • Project Management
Ole Wolff  specializes in providing total headphone solutions. We can help with everything from initial concept to finished product (ODM, OEM and JDM products).

By applying the right mix of skills, technologies and competences we can lift a heavy load for you and become an extension of your own product development team.

 Core competences

  • Experienced and highly skilled acoustic development team
  • In house driver design and production
  • Global presence – eases stress of communication vs other suppliers who have offices only in Asia
  • Long-term experience of making headsets for brand name customers
  • Experience in production of both high end headsets as well as high volume lower cost products
  • Understanding of working with ‘exotic’ materials