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- Since 1946 Knowles has helped designers find more ways to put better technology to work for their customers. Knowles is a market leader and global supplier of advanced micro-acoustic, specialty components, and human interface solutions in the mobile communications, consumer electronics, medical technology, and other industrial end markets. Knowles’ deep experience and rigorous testing delivers consistently dependable and precise products including speakers and microphones for hearing health products, premium music earphones, communications headsets, and industrial acoustic applications. Knowles MEMS (micro-electro-mechanical systems) microphones and micro-speakers are widely used in smartphones, tablets, notebooks, and other portable devices.


Newest Products View All (19)

Image of Knowles' GV-32830-000 Quad Balanced Armature Driver

GV-32830-000 Quad Balanced Armature Driver

Knowles 4-way driver contains four drivers (speakers) with a 3-way crossover composed of HODVTEC woofer and TWFK mid-range/tweeter.

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Image of Knowles' GU-32829-000

GU-32829-000 Dual-Balanced Armature Driver

Knowles' GU-32829-000 dual-balanced armature driver produces a broad bandwidth and much clearer output than a single driver.

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Image of Knowles' SPH1642HT5H-1 Top Port Silicon Microphone

SPH1642HT5H-1 Top Port Silicon Microphone

Knowles' SPH1642HT5H-1 is a miniature, high-performance, low power, top port silicon microphone.

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Image of Knowles' I2S Output Digital Microphone

I²S Output Digital Microphone

Knowles' SPH0645LM4H-B is perfectly suitable for portable applications where size and power consumption are a constraint.

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Image of Knowles' Digital Zero-Height SiSonic™ Microphone

Digital Zero-Height SiSonic™ Microphone

Knowles' SPH0641LU4H-1 is a miniature, high-performance, low power, bottom port silicon digital microphone with a single bit PDM output.

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Image of Knowles' TM Series Microphones

TM Series Microphones

The TM provides the best combination of performance and size.

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Product Training Modules View All (6)

differential MEMS

Microphone Interfaces

Duration: 5 minutes

Digital microphones provide an upside to end applications and enable intelligent audio solutions with the introduction of Knowles’ multi-mode microphones.

armature driver

Using Dynamic Speakers and Balanced Armature Drivers in In-Ear Wearables

Duration: 5 minutes

Digi-Key, Knowles, PTM, tutorial, speakers, drivers, armature driver, in-ear wearable.

Knowles Frequency Response Armature Drivers and Earphones

Measuring Frequency Response of Balanced Armature Drivers and Earphones

Duration: 10 minutes

General characteristics of different measurement methods, the advantages and limitations of each, and trying to understand an earphone’s frequency response.

MEMS Microphones

Ultrasonic Applications for Knowles Electret and MEMS Microphones

Duration: 5 minutes

This tutorial will discuss the general characteristics of certain Knowles microphones in the ultrasonic band.

Featured Videos View All (3)

The balanced armature advantage

An overview of the benefits of balanced armature technology for today's demanding devices.

Publish Date: 2015-09-29

The future of portable audio

See how balanced armature is poised as the driver of choice for the premium sound revolution in earphones and in-ear wearables.

Publish Date: 2015-09-29

What is Balanced Armature?

What is Balanced Armature technology and Headphone applications

Publish Date: 2015-08-19

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