Knowles dynamic receivers

The receiver (also called hearing capsule) is the component in a telephone that is used near to the ear.

Seltech is the Worldwide Distributor and Key Account Agent of Knowles Sound Solutions for nearly 20 years in miniature speakers, receivers & multifunctionals.

Knowles Sound Solutions facts & figures:

• Global market and technology leader in dynamic speakers and receivers for cell phones for more than a decade
• Customized acoustic solutions for the telecom, automotive and multimedia market
• Over 5 billion products shipped to date
• First to market with major innovations
• Dedicated application support
• Advanced automated manufacturing with highest production capacity worldwide
• Best-in-class in-line measurement systems
• Acoustic competence since 1929

Knowles’ dynamic receivers also combine outstanding performance vs size ratio.

Knowles’ dynamic receivers are rectangular (4.8 x 10 up to 8 x 15mm).
They can be used:

• in low & high leak applications (low & high acoustic impedance)
• and for standard and wide band frequency range

Most of Knowles’ dynamic receivers are Hearing Aid Compatible (HAC).

To view only wideband dynamic receivers and more generally Seltech's wideband acoustic products, please click here to download a pdf.

Below, Knowles receiver range:

Note 1: Contact system of all receivers is springs.
Note 2: Impedance of all receivers is typically 32 Ohms
*) average value measured in baffle, substract 10dB for value in dB/mW/0.1m
**) in typical application, at -3dB points after resonance peaks, without EQ correction
***) measured at 1kHz in 3.2 high leak adapter