Knowles Datasheets for Audio Microphones

Audio microphones are designed for sound reception and recording applications (speech and music).
Audio Microphones: Learn more

Product Name Notes
Form factors include a miniature design that can be immersed in water to a depth of one meter, and a bellows design for depths to 15 meters. The bellows design...
Introduced in 1976, the EA is a time-tested electret condenser microphone. It is widely used in more cost sensitive applications. Features Rugged construction to withstand severe environmental conditions High resistance...
Introduced in 1986, the EK is the lowest noise Knowles microphone. Its high electroacoustic sensitivity and low noise make this microphone an excellent choice for applications where space is not...
MR Series microphones combine a conventional element with a waterproof bellows assembly. The bellows conducts sound to the element and survives 15m (50 feet) of submersion in water. They may...
The EM is the most popular omni-directional microphone offered. The superior performance of the low noise EM makes it the choice of hearing instrument manufacturers for all hearing instrument sizes.
The FG Series microphone is the world's smallest electret condenser microphone. Its cylindrical shape and compact size provide for superior fit rates. The FG can also be used in directional...
The GA Series Microphone is a brand new microphone design with unique size and shape. Its elongated 2mm x 2mm x 4mm dimensions are ideal for directional applications, allowing you...
The NR Series close talking microphones deliver state-of-the-art noise canceling performance. NR microphones are used as headset microphones in the most demanding communication and speech recognition environments. The NR Series...
The TM provides the best combination of performance and size. It boasts performance comparable to the standard EM series, in a package 20% smaller. The TM can also be used...
The TO is the thinnest omni-directional microphone offered. Its small size is perfect for all applications, especially where space is an issue. The TO can also be used in directional...
The uni-directional / omni-directional microphone pair module provides a space saving solution for directional applications. The module uses only two sound ports (versus three sound ports needed for traditional stand-alone...
The uni-directional TD series microphone provides directional performance in a thin space saving design. The module uses two sound ports and a single diaphragm to produce a supercardiod polar pattern.
Ceramic vibration designs High vibration sensitivity High resistance to mechanical shock The piezo ceramic microphone series is rugged, stable, and versatile. Design variables include standard, thin, or a one-half inch...
High stability and reliability Industry-leading balanced armature technology Rejection of background noise Knowles' boom microphones are designed for either flexible or rigid configurations and offer such performance options as noise...
New MaxRF models eliminate GSM/TDMA burst noise and provide wide-band RF noise suppression UltraMini footprint - less than 11.5mm Slim UltraMini footprint - less than 8.5mm Digital mics eliminate analog...
Standard and waterproof Flexible and rigid styles Boom housing available in plastic and metal Customized lengths and end terminations Knowles' boom microphones are designed for either flexible or rigid configurations...