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Knowles Corporation

Knowles Corporation- Audio Sources & Tuners

Knowles Corporation was founded in 1946 and is headquartered in Itasca, Illinois, USA. The company specializes in micro-acoustic, electro-mechanical, and related technology platforms that enable advanced audio solutions. Knowles has a global presence with design centers and manufacturing facilities in Asia, including world-class production sites in China and Malaysia. Their core product portfolio includes the SiSonic™ MEMS microphones, which are widely used in smartphones, tablets, wearables, and smart home devices. In addition, Knowles offers balanced armature speakers that deliver high-fidelity audio in hearing aids, premium earphones, and professional audio equipment. The company also provides intelligent audio solutions, combining MEMS microphones with digital signal processing (DSP) and software for voice command, voice biometrics, and audio edge processing. Another key area is precision devices, such as capacitors and RF filters, serving telecom, medical, and industrial applications. Knowles is a market leader in MEMS microphones, holding a significant share of the global market for acoustic components in mobile and consumer electronics. The company is recognized for its engineering expertise, high-volume manufacturing, and strong intellectual property portfolio in acoustic and audio processing technologies. By collaborating with customers early in the design process, Knowles helps develop smaller, higher-density, and higher-performance products across a range of industries.

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Audio Sources & Tuners - 型号列表

42 parts in total

Sound Pressure Level (SPL)

Other Names

Frequency Range

Height

Size / Dimension

Impedance

Standard Package

Power - Max

Power - Rated

Series

Depth

Width

Length

RoHS

Material - Magnet

Type

Material - Cone

Mfr Part #Quantity AvailablePriceStandard PackageShapeHeightTerminationSize / DimensionTypeRoHSImpedanceFrequency RangeSound Pressure Level (SPL)Material - MagnetPower - MaxOther NamesPower - RatedMaterial - ConeProduct CategoryPackagingSeriesProductDepthWidthLengthSensitivityVoltage - Supply (Min)Termination StyleOther Specifications
FEH-26796-I02
FEH-26796-I02

Speakers & Transducers 5.19 X 3.55 X 3.00MM 98 SENS, 9C PORT SPEAKER

Knowles

1014: ¥261.3921Rectangular3.00mmSolder Pads5.19mm L x 3.55mm WMagneticRoHS Compliant725 Ohm200Hz ~ 4.5kHz98.5dBFerrite----Speakers & TransducersBulkEH/FEHReceivers-------
FEF-26790-I02
FEF-26790-I02

Speakers & Transducers 7.87 X 5.59 X 4.01MM 116 SENS, 2S PORT SPEAKER

Knowles

1017: ¥211.6841Rectangular4.06mmSolder Pads7.87mm L x 5.59mm WMagneticRoHS Compliant88 Ohm200Hz ~ 4.5kHz118.5dBFerrite----Speakers & TransducersBulkEF/FEFReceivers-------
FEF-26356-I04
FEF-26356-I04

Speakers & Transducers 7.87 X 5.59 X 4.01MM 116 SENS, 12S PORT SPEAKER

Knowles

1017: ¥211.6841Rectangular4.06mmSolder Pads7.87mm L x 5.59mm WMagneticRoHS Compliant115 Ohm200Hz ~ 4.5kHz117.5dBFerrite----Speakers & TransducersBulkEF/FEFReceivers-------
FEF-26793-I04
FEF-26793-I04

Speakers & Transducers 7.87 X 5.59 X 4.01MM 116 SENS, 2S PORT SPEAKER

Knowles

1017: ¥211.6841Rectangular4.06mmSolder Pads7.87mm L x 5.59mm WMagneticRoHS Compliant---Ferrite----Speakers & TransducersBulkEF/FEF--------
FEF-26794-I04
FEF-26794-I04

Speakers & Transducers 7.87 X 5.59 X 4.01MM 116 SENS, 12S PORT SPEAKER

Knowles

1017: ¥211.6841Rectangular4.06mmSolder Pads7.87mm L x 5.59mm WMagneticRoHS Compliant---Ferrite----Speakers & TransducersBulkEF/FEF--------
ES-23140-000
ES-23140-000

Speakers & Transducers 5.19 X 3.55 X 3.0MM 101 SENS, 12C PORT SPEAKER

Knowles

1012: ¥297.161Rectangular3.00mmSolder Pads5.18mm L x 3.54mm WMagneticRoHS Compliant50 kOhms200Hz ~ 5.9kHz101dB-375µA ~ 575µA---Speakers & TransducersBulkESReceivers3 mm3.55 mm5.19 mm----
FJ-26758-000
FJ-26758-000

Speakers & Transducers 5.08 X 2.79 X 5.18MM 106 SENS, 12S PORT SPEAKER

Knowles

131: ¥500.4121Rectangular5.20mmSolder Pads5.09mm L x 2.80mm WMagneticRoHS Compliant65 Ohm200Hz ~ 5.8kHz106dBFerrite----Speakers & TransducersBulkFJReceivers5.18 mm2.79 mm5.08 mm----
2403 260 00106
2403 260 00106

RECEIVER - LEAN WATERPROOF

Knowles

-1,700Rectangular2.00mmSolder Pads12.00mm L x 6.00mm WMagneticLead free / RoHS Compliant32 Ohm160Hz ~ 10kHz65dBNd-Fe-B0.075W423-1208-20.01WPolyester-----------
2403 260 00107
2403 260 00107

SPEAKER - DONAU WATERPROOF

Knowles

-2,688Rectangular3.50mmSolder Pads15.00mm L x 11.00mm WMagneticLead free / RoHS Compliant8 Ohm300Hz ~ 20kHz73dBNd-Fe-B1W423-1203600mWPolyester-----------
2403 263 00092
2403 263 00092

RECEIVER - NITH

Knowles

-4,640Rectangular1.50mmSolder Pads15.00mm L x 8.00mm WMagneticLead free / RoHS Compliant32 Ohm100Hz ~ 20kHz25.5dBNd-Fe-B10mW423-11990.1WPolyester-----------
2403 260 00132
2403 260 00132

SPEAKER - COBRA WATERPROOF

Knowles

-2,688Rectangular3.50mmSolder Pads15.00mm L x 11.00mm WMagneticLead free / RoHS Compliant6 Ohm300Hz ~ 20kHz74dBNd-Fe-B1.2W423-12051WSilicone-----------
2403 260 00098
2403 260 00098

SPEAKER - COBRA SIDE FIRE

Knowles

-2,688Rectangular4.00mmSolder Pads15.00mm L x 11.00mm WMagneticLead free / RoHS Compliant6 Ohm700Hz ~ 20kHz93.5dBNd-Fe-B1W423-12021WSilicone-----------
2403 260 00091
2403 260 00091

SPEAKER - COBRA

Knowles

-2,688Rectangular3.50mmSolder Pads15.00mm L x 11.00mm WMagneticLead free / RoHS Compliant6 Ohm700Hz ~ 20kHz94dBNd-Fe-B1W423-12010.7WSilicone-----------
2403 263 00052
2403 263 00052

RECEIVER - JULIA HAC

Knowles

-2,500Rectangular2.50mmSolder Pads15.00mm L x 6.00mm WMagneticLead free / RoHS Compliant16 Ohm400Hz ~ 4kHz111.5dB-0.02W423-11980.02W------------
2403 260 00071
2403 260 00071

SPEAKER - GRAND

Knowles

-2,240Rectangular2.50mmSolder Pads18.00mm L x 13.00mm WMagneticLead free / RoHS Compliant8 Ohm300Hz ~ 20kHz73dBNd-Fe-B1W423-1200600mWPolyester-----------
RAB-32063-000
RAB-32063-000

SPEAKER 46.3 OHM 103.5DB Microphones Earphone optimized version

Knowles

941: ¥83.09625Rectangular2.60mmSolder Pads5.15mm L x 2.96mm WMagnetic, Balanced Armature, End PortRoHS Compliant46.3 Ohm80Hz ~ 10.8kHz103.5dB--423-1194------2.58 mm2.96 mm5.15 mm103.5 dB0.115 VSolder PadOmnidirectional
2403 260 00133
2403 260 00133

SPEAKER - SAMBO WATERPROOF

Knowles

-2,240Rectangular4.60mmSolder Pads18.00mm L x 13.00mm WMagneticLead free / RoHS Compliant8 Ohm300Hz ~ 15kHz76dBNd-Fe-B1W423-12060.7WPolyester-----------
2403 260 00114
2403 260 00114

SPEAKER - FOX WATERPROOF

Knowles

-2,688Rectangular3.00mmSolder Pads16.00mm L x 9.00mm WMagnetic-8 Ohm400Hz ~ 20kHz70.5dBNd-Fe-B0.7W423-12040.5WPolyester-----------
2403 260 00135
2403 260 00135

SPEAKER - DUMBO WATERPROOF

Knowles

-2,240Rectangular4.50mmSolder Pads18.00mm L x 13.00mm WMagnetic-8 Ohm300Hz ~ 20kHz73dBNd-Fe-B1W423-12070.7WSilicone-----------
RAB-XXXXX
RAB-XXXXX

SPEAKER

Knowles

1085: ¥55.95041-----Lead free / RoHS Compliant-------------------
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