RS PRO 4Ω 3W Miniature Speaker 40mm Dia. , 40 x 21mm

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Subtotal (1 unit)*

£7.29

(exc. VAT)

£8.75

(inc. VAT)

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In Stock
  • 9 unit(s) ready to ship
  • Plus 60 unit(s) shipping from 20 November 2025
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1 - 9£7.29
10 - 99£6.56
100 - 499£6.06
500 - 999£5.61
1000 +£5.04

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RS Stock No.:
102-760
Brand:
RS PRO
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Brand

RS PRO

Coil Resistance

4Ω

Sound Level

85dB

Rated Power

3W

Cone Material

PET

Dimensions

40 x 21mm

Diameter

40mm

Height

21mm

COO (Country of Origin):
CN

RS PRO 40mm Circular Miniature Speaker, 85dB


A versatile miniature speaker with a coil resistance of 4Ω. Intended for smaller devices the speaker is manufactured to a compact size of 40mm x 21mm with PCB pins for easy mounting.
With a wide frequency range of 0Hz - 20KHz the miniature speaker will support applications requiring general sound, voice and music output. Featuring a sound level of 85dB the speaker delivers a clean and impressive volume and is audible even in louder areas.
Suitable for a wide range of products including headsets, security systems, medical products, smartphones, toys, communications equipment and safety systems or equipment.

Features and Benefits


Compact miniature speaker
Size of 40 x 21mm
High output of 85dB
Solder points
Frequency range of 0Hz – 20KHz
Resonance frequency 180Hz
Weight of 30.8g

Why RS PRO?


RS PRO is the own brand of RS, offering professional quality products and solutions across all industries and technologies. Our product range is rigorously tested, inspected, and audited against demanding international standards to provide you with industrial-grade quality, at the right price. Making RS PRO your smart choice.

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