Distrelec and RS have joined forces, providing you with a broader range of products, local support and expertise – we are stronger together.
Distrelec and RS have joined forces, providing you with a broader range of products, local support and expertise – we are stronger together.
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RS PRO - Sounder, Buzzer & Microphone Components

RS PRO, Your Smart Choice

We’re introducing RS PRO to the Distrelec product portfolio! Now that Distrelec is part of the RS family, you can enjoy an even wider range of quality products. Discover RS PRO – the value alternative at the right price.

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Introducing the RS PRO range

RS PRO, the own brand of RS, offers the largest choice in the industry. Covering all technologies and working environments, RS PRO can combine products into integrated solutions to make your professional life easier.

RS PRO simplifies procurement and ensures unrivalled value and efficiency. The RS PRO Seal of Approval is your assurance of professional quality, a guarantee that products and components are rigorously tested, inspected and audited to demanding standards. RS PRO is your smart choice.

Our 3 pillars: quality, choice and value

Discover the winning combination for your industrial supplies
Approved

Our products are tested for great performance and come with a 3‑year warranty
(refer to product pages for further details)

Choice

We provide you with one brand that you can trust, with the quality and price you expect and a growing choice of sustainable products and solutions

Value

A combination of quality and choice, and sustainable product solutions, with competitive pricing against branded alternatives

Make RS PRO your choice for Design & Repair

Soldering

Discover our range of soldering stations, solder, flux, and accessories - we support all your projects.

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Test & Measurement

Design and test the quality and efficiency of your projects with our reliable benchtop and handheld equipment.

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Toolkits

The RS PRO range includes tough, industrial grade tools, kits and cabinets - all the tools a designer or maintainer may need.

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Design & Repair with the RS PRO-BOT

Follow the RS PRO-BOT on its latest adventure - from design to repair. Ready for a peek into how RS PRO can help you be on top of your project, from beginning to end?

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Product
Price
Manufacturer
Microphone Sensitivity
Microphone Type
Direction Type
Signal-to-Noise Ratio (SNR)
Frequency Min.
Frequency Max.
Impedance
Voltage Min.
Voltage Max.
Termination Type
Cable Length
Diameter
Height
Operating Temperature Min.
Operating Temperature Max.
Rated Power
Output Power Max.
Sound Pressure Level
Frequency Response Min.
Frequency Response Max.
Lowest Resonant Frequency
Length
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Voice Coil Diameter
Cut Out Size (Diameter)
New to us
Microphone Element, Electret Condenser, Omni-Directional, -44 dB, 50Hz ... 16kHz 304-04-884 7800734Microphone Element, Electret Condenser, Omni-Directional, -44 dB, 50Hz ... 16kHz
CHF 4.15 (Exc. Vat)
Per piece
CHF 4.15
RS PRO-44 dBElectret CondenserOmni-Directional60 dB50 Hz16 kHz2.2 kOhm2 V10 VWire Lead60 mm3 mm1.5 mm-20 °C60 °C-----------
New to us
Microphone Element, Electret Condenser, Omni-Directional, -38 dB, 50Hz ... 16kHz 304-71-492 8377862Microphone Element, Electret Condenser, Omni-Directional, -38 dB, 50Hz ... 16kHz
CHF 3.45 (Exc. Vat)
Per piece
CHF 3.45
RS PRO-38 dBElectret CondenserOmni-Directional60 dB50 Hz16 kHz2.2 kOhm2 V10 V2-Wire Connection-7.1 mm3.2 mm-20 °C60 °C-----------
New to us
Miniature Speaker 2W 8Ohm 86dB 304-71-455 8179132Miniature Speaker 2W 8Ohm 86dB
CHF 4.95 (Exc. Vat)
Per piece
CHF 4.95
RS PRO------8 Ohm-----23 mm--2 W5 W86 dB200 Hz20 kHz300 Hz70 mm30 mm34 g--
New to us
Miniature Speaker 28mm 0.5W 8Ohm 92dB 304-71-403 7903984Miniature Speaker 28mm 0.5W 8Ohm 92dB
CHF 5.10 (Exc. Vat)
Per piece
CHF 5.10
RS PRO------8 Ohm----28 mm5.6 mm--0.5 W1 W92 dB0 Hz7 kHz750 Hz--5.2 g--
New to us
Microphone Element, Electret Condenser, Omni-Directional, -42 dB, 50Hz ... 16kHz 304-71-371 7800728Microphone Element, Electret Condenser, Omni-Directional, -42 dB, 50Hz ... 16kHz
CHF 5.65 (Exc. Vat)
Pack of 5 pieces
CHF 5.65
RS PRO-42 dBElectret CondenserOmni-Directional60 dB50 Hz16 kHz2.2 kOhm2 V10 VPCB Pins-6 mm2.7 mm-20 °C60 °C-----------
New to us
Microphone Element, Electret Condenser, Omni-Directional, -44 dB, 50Hz ... 16kHz 304-71-370 7800725Microphone Element, Electret Condenser, Omni-Directional, -44 dB, 50Hz ... 16kHz
CHF 7.35 (Exc. Vat)
Pack of 5 pieces
CHF 7.35
RS PRO-44 dBElectret CondenserOmni-Directional60 dB50 Hz16 kHz2.2 kOhm2 V10 VWire Lead-4 mm1.5 mm-20 °C60 °C-----------
New to us
Microphone Element, Electret Condenser, Omni-Directional, -42 dB, 50Hz ... 16kHz 304-71-369 7800721Microphone Element, Electret Condenser, Omni-Directional, -42 dB, 50Hz ... 16kHz
CHF 6.65 (Exc. Vat)
Pack of 5 pieces
CHF 6.65
RS PRO-42 dBElectret CondenserOmni-Directional60 dB50 Hz16 kHz2.2 kOhm2 V10 VPCB Pins-4 mm1.5 mm-20 °C60 °C-----------
New to us
Miniature Speaker 22.8mm 0.1W 32Ohm 75dB 304-71-368 7800719Miniature Speaker 22.8mm 0.1W 32Ohm 75dB
CHF 12.10 (Exc. Vat)
Pack of 5 pieces
CHF 12.10
RS PRO------32 Ohm----22.8 mm8.7 mm--0.1 W0.2 W75 dB0 Hz4 kHz1.8 kHz--3 g--
New to us
Miniature Speaker 2W 4Ohm 84dB 304-71-283 7564624Miniature Speaker 2W 4Ohm 84dB
CHF 7.15 (Exc. Vat)
Per piece
CHF 7.15
RS PRO------4 Ohm-----11.5 mm--2 W4 W84 dB0 Hz20 kHz-40 mm28.3 mm---
New to us
Miniature Speaker 2W 4Ohm 83dB 304-71-282 7564615Miniature Speaker 2W 4Ohm 83dB
CHF 4.70 (Exc. Vat)
Per piece
CHF 4.70
RS PRO------4 Ohm-----5.8 mm--2 W3 W83 dB200 Hz20 kHz400 Hz40 mm20 mm7.6 g11.75 mm-
New to us
Miniature Speaker 2W 8Ohm 83dB 304-71-281 7564609Miniature Speaker 2W 8Ohm 83dB
CHF 4.65 (Exc. Vat)
Per piece
CHF 4.65
RS PRO------8 Ohm-----5.8 mm--2 W3 W83 dB200 Hz20 kHz400 Hz40 mm20 mm7.6 g11.75 mm-
New to us
Miniature Speaker 50mm 1W 8Ohm 89dB 304-71-280 7564605Miniature Speaker 50mm 1W 8Ohm 89dB
CHF 4.95 (Exc. Vat)
Per piece
CHF 4.95
RS PRO------8 Ohm----50 mm12.5 mm--1 W2 W89 dB0 Hz20 kHz650 Hz--18.2 g13.28 mm-
New to us
Miniature Speaker 50mm 1W 8Ohm 92dB 304-71-279 7564602Miniature Speaker 50mm 1W 8Ohm 92dB
CHF 4.10 (Exc. Vat)
Per piece
CHF 4.10
RS PRO------8 Ohm----50 mm7.6 mm--1 W1.5 W92 dB0 Hz20 kHz350 Hz--13.2 g13.28 mm-
New to us
Microphone Element, Electret Condenser, Omni-Directional, -44 dB, 50Hz ... 16kHz 304-71-273 7243144Microphone Element, Electret Condenser, Omni-Directional, -44 dB, 50Hz ... 16kHz
CHF 4.15 (Exc. Vat)
Pack of 2 pieces
CHF 4.15
RS PRO-44 dBElectret CondenserOmni-Directional58 dB50 Hz16 kHz2.2 kOhm2 V10 VSoldering Pins-6 mm2.2 mm-20 °C60 °C-----------
New to us
Microphone Element, Electret Condenser, Omni-Directional, -41 dB, 50Hz ... 16kHz 304-71-272 7243134Microphone Element, Electret Condenser, Omni-Directional, -41 dB, 50Hz ... 16kHz
CHF 5.40 (Exc. Vat)
Pack of 5 pieces
CHF 5.40
RS PRO-41 dBElectret CondenserOmni-Directional60 dB50 Hz16 kHz2.2 kOhm1.5 V10 VPCB Pins-5 mm9.7 mm-20 °C60 °C-----------
New to us
Microphone Element, Electret Condenser, Omni-Directional, -40 dB, 100Hz ... 16kHz 304-71-270 7243125Microphone Element, Electret Condenser, Omni-Directional, -40 dB, 100Hz ... 16kHz
CHF 3.65 (Exc. Vat)
Pack of 2 pieces
CHF 3.65
RS PRO-40 dBElectret CondenserOmni-Directional60 dB100 Hz16 kHz2.2 kOhm2 V10 VPCB Pins-6 mm2.2 mm-20 °C60 °C-----------
New to us
Microphone Element, Electret Condenser, Omni-Directional, -42 dB, 50Hz ... 16kHz 304-71-269 7243122Microphone Element, Electret Condenser, Omni-Directional, -42 dB, 50Hz ... 16kHz
CHF 7.35 (Exc. Vat)
Pack of 5 pieces
CHF 7.35
RS PRO-42 dBElectret CondenserOmni-Directional60 dB50 Hz16 kHz2.2 kOhm2 V10 VSoldering Pins-6 mm2.2 mm-20 °C70 °C-----------
New to us
Miniature Speaker 0.5W 7.2Ohm 89dB 304-70-045 1176047Miniature Speaker 0.5W 7.2Ohm 89dB
CHF 2.60 (Exc. Vat)
Per piece
CHF 2.60
RS PRO------7.2 Ohm-----3 mm--0.5 W1 W89 dB0 Hz20 kHz600 Hz15 mm11 mm1.5 g--
New to us
Miniature Speaker 0.7W 8Ohm 88dB 304-70-044 1176046Miniature Speaker 0.7W 8Ohm 88dB
CHF 2.95 (Exc. Vat)
Per piece
CHF 2.95
RS PRO------8 Ohm-----3 mm--0.7 W1 W88 dB0 Hz10 kHz850 Hz16 mm9 mm1.5 g--
New to us
Miniature Speaker 50mm 1W 8Ohm 92dB 304-70-043 1176045Miniature Speaker 50mm 1W 8Ohm 92dB
CHF 5.35 (Exc. Vat)
Per piece
CHF 5.35
RS PRO------8 Ohm----50 mm7.6 mm--1 W1.5 W92 dB0 Hz20 kHz350 Hz--13.2 g13.28 mm-
New to us
Miniature Speaker 36mm 1W 8Ohm 85dB 304-70-042 1176044Miniature Speaker 36mm 1W 8Ohm 85dB
CHF 7.35 (Exc. Vat)
Per piece
CHF 7.35
RS PRO------8 Ohm----36 mm4.6 mm--1 W1.2 W85 dB0 Hz11 kHz550 Hz--8.25 g--
Miniature Speaker 4W 8Ohm 100dB 304-04-962 8179135Miniature Speaker 4W 8Ohm 100dB
CHF 9.55 (Exc. Vat)
Per piece
CHF 9.55
RS PRO------8 Ohm-----14.9 mm--4 W2 W100 dB0 Hz8 kHz550 Hz80 mm31.1 mm55 g--
Miniature Speaker 22.5mm 80mW 8Ohm 73dB 304-04-817 7243100Miniature Speaker 22.5mm 80mW 8Ohm 73dB
CHF 4.12 (Exc. Vat)
Pack of 2 pieces
CHF 4.12
RS PRO------8 Ohm----22.5 mm8.5 mm--80 mW150 mW73 dB700 Hz4 kHz1.5 kHz--5 g--
Miniature Speaker 1W 8Ohm 304-14-495 6284715Miniature Speaker 1W 8Ohm
CHF 4.24 (Exc. Vat)
Per piece
CHF 4.24
RS PRO------8 Ohm-----17.4 mm--1 W-----50 mm50 mm---
Miniature Speaker 20mm 300mW 8Ohm 92dB 304-03-486 7716989Miniature Speaker 20mm 300mW 8Ohm 92dB
CHF 10.99 (Exc. Vat)
Pack of 5 pieces
CHF 10.99
RS PRO------8 Ohm----20 mm3.1 mm--300 mW500 mW92 dB200 Hz20 kHz560 Hz--2.3 g8.7 mm20 mm