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:
Knowles’ speakers (also called miniature speakers or micro-speakers) combine outstanding performance vs size ratio.
Knowles’ speakers are available in different shapes:
with spring contacts.
To view only wideband micro-size speakers and more generally Seltech’s wideband acoustic products, please click here to download a pdf.
Below, Knowles’ speaker portfolio:
Note 1: Contact system of all speakers is springs.
Note 2: Impedance of all speakers is typically 8 Ohms
*) average value measured in baffle
**) in front firing application without mesh, at -3dB points after resonance peaks, without EQ correction
***) using noise shaped signal according to product data sheet
****) @max sine power. Average value measured in baffle in 0.1 meter distance at max sine power, in typical backvolume
| Speaker Model||Picture||Dimension (mm)||Sensitivity* (W/m)||Air pumping capacity||Typical backvol. (total)||f0 in typ. backvol. (Hz)||Frequency range** (Hz)||Nominal power*** (mW)||SPL max****|
|MFD16 Multifunctional Vibrator||Ø 16.4 x 4.76||74||90mm³||2cm³ (2.93cm³)||740||650 - 15000||500||91dB (500mW)|
|HPFS 28x6||Ø 28 x 6||86.5||390 mm³||open||700||450 - 8000||500||102.5 dB (500mW)|