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Audio & telecom speakers

Seltech has completed the Knowles’ range of miniature speakers with larger size high quality speakers (also called loudspeakers).

Thanks to a large selection of loudspeakers, Seltech offers the best solution for all acoustic sound requirements.

Our portfolio meets all needs for high quality speakers or cost effective solutions for sound reproduction in various electronic products such as:

  • automotive alarms & tones
  • corded & cordless phones
  • conference systems
  • portable navigation devices
  • on board/in-vehicle computers
  • medical devices
  • door entry systems
  • web radios
  • sound boxes etc.


Seltech provides a large variety of loudspeakers: Flat, FXD, Rectangular, Oval, Round, Square, Wide band etc.
They are available with many contact options: solder pads, horizontal or vertical solder tags, spring contacts without/with cables & connectors (standard or custom).

Our standard loudspeaker range includes a wide range of shapes:

  • oval (14 x 20 mm)
  • rectangular (from 14 × 30 mm to 100 × 100 mm)
  • round (from Ø13 mm to Ø 100 mm)


Features of our standard loudspeaker range:

  • impedances from 4 Ω to 50 Ω
  • rated input power from 0.5 W to 5 W
  • within frequency range from less than 200 Hz up to 20 000 Hz
  • housing materials: metal, plastic
  • membrane materials: paper, mylar, PEI, PI, cloth
  • magnets materials: AlNiCo, ferrite, neodymium (NdFeB), etc.
  • Operating temperature: Industrial (-20 to 70°C) or Extended (-40 to +85°C)


Into our website, you can find an overview of our standard loudspeaker range.
Additionally, our acoustic catalog is available on request.

 

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

If you have any special/custom requirement out of our standard product range, just contact us. We can support you.

Below, our standard loudspeaker range: 

 Speaker Model Picture Dimension (mm) Impedance (Ω) Nom./Max. power (mW) SPL @1W/1m (dB) Fo (Hz) Frequency range(Hz)
GC13..04C8G.. GC13..04C8G.. Ø13 x 2.4 8 300/500 74 900 800 - 10000
SOD00902Y..L.. SOD00902Y..L.. Ø23 x 4.1mm 8 - 15 200/300 78 550 330 - 10000
WD11903/Y8H WD11903/Y8H Ø 28 x 6 8 500/1000 86.5 700 450 - 8000
SOC28..05B..H SOC28..05B..H Ø28 x 4.8mm 8 1000/1200 80 870 870 - 10000
SOC28..05B..L SOC28..05B..L Ø28 x 4.8mm 8 300/500 79 550 550 - 8000
SOD02902Y..L.. SOD02902Y..L.. Ø 34 x 4.1 8 - 50 300/500 82 400 200 - 17000
SOC36..05B.. SOC36..05B.. Ø 36 x 5.0 4 2000/2200 78 380 380 - 10000
SOD01621Y..L.. SOD01621Y..L.. Ø 38 x 14.3 8 - 25 - 50 300/800 80 440 300 - 10000
SOC40..05B.. SOC40..05B.. Ø 40 x 5.0 8 1000/1200 81 520 520 - 5000
SOC40..09D.. Wideband SOC40..09D.. Wideband Ø 40 x 9.5 4 2000/4000 75 350 170 - 15000
SOC40..18D.. Wideband SOC40..18D.. Wideband Ø 40 x 18.5 4 2000/4000 75 170 170 - 15000
SOC40..22D.. Wideband SOC40..22D.. Wideband Ø 40 x 22.5 4 1000/2000 78 230 230 - 15000
SOC50..Y.. SOC50..Y.. Ø 50 x 7.9 50 500/800 85 350 350 - 3500
SOD20621Y..LH SOD20621Y..LH Ø 50 x 16 8 - 25 - 50 300/800 83 390 300 - 10000
SOD20722.. SOD20722.. Ø 50 x 18.2 8 - 25 - 50 1000/2000 87 390 300 - 10000
SOC50..24D.. Wideband SOC50..24D.. Wideband Ø 50 x 23.5 4 2000/4000 82 180 180 - 20000
SOC52..26D.. Wideband SOC52..26D.. Wideband Ø 52 x 26.5 8 3000/5000 81 160 160 - 15000
SOC52..30D.. Wideband SOC52..30D.. Wideband Ø 52 x 30.5 4 3000/5000 80 160 160 - 15000
SOD2071X.. SOD2071X.. Ø 64 x19.4 8 - 25 - 50 1000/2000 86.5 420 420 - 3500
SOD2071X..WB SOD2071X..WB Ø 64 x19.4 8 - 25 - 50 1000/2000 86.5 280 280 - 10000
SOD2071Z.. SOD2071Z.. Ø 64 x19.4 8 - 25 - 50 1000/2000 87 340 340 - 3500
GO2014.. GO2014.. 14 x 20 x 4 8 500/1000 78 950 800 - 10000
SOR3014.. SOR3014.. 30 x 14.9 x 5.6 4 1000/1500 78 450 450 - 15000
SOR3520.. SOR3520.. 35 x 20 x 8.0 8 1000/2000 77 550 550 - 10000
SOR4020.. SOR4020.. 40 x 20 x 8.4 8 1000/2000 80 600 600 - 10000
SOR4030.. SOR4030.. 40 x 28.5 x 11.5 8 2000/3000 79 350 350 - 15000
SOS66V35A4G SOS66V35A4G 67 x 67 x 35.5 4 2000/4000 82 170 170 - 10000
SOS103S37B8W SOS103S37B8W 103 x 103 x 37 8 5000/10000 89 450 450 - 5000
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