18mm Speaker: 4 Ohm, 2.0 W

18mm Speaker: 4 Ohm, 2.0 W
Pololu item #: 1258 0 in stock

Price break Unit price (US$)
1 3.49
10 3.14
100 2.79
250 2.44

This small, 2 W speaker is a compact way to add loud, high-fidelity sound (compared to typical units this size) that can bring your project to life. It includes four 1.0mm-diameter mounting holes. This is the highest-power speaker we carry.

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 Description Specs (5) Pictures (4) Resources (1) FAQs (0) On the blog (0) 

This compact, general-purpose speaker is great for adding loud, high-fidelity sound that can bring your project to life (or to annoy your friends and family with loud sirens and squawks!). If you have an adequate driver for it, such as a small MOSFET controlled from a microcontroller PWM line, you can really get much more volume and richness than you can from similar-sized low-power speakers and buzzers.

The speaker’s specifications can be found in its datasheet (1MB pdf).

18mm speaker with US quarter for size reference.
Bottom view of the 18mm speaker.


Frequency response curve for the 18mm speaker.
18mm speaker dimensions (in mm).

People often buy this product together with:

0.1" (2.54mm) Crimp Connector Housing: 1x3-Pin 25-Pack 0.1" (2.54mm) Crimp Connector Housing: 1x3-Pin 25-Pack
Female Crimp Pins for 0.1" Housings 100-Pack Female Crimp Pins for 0.1" Housings 100-Pack
0.1" (2.54mm) Crimp Connector Housing: 1x2-Pin 25-Pack 0.1" (2.54mm) Crimp Connector Housing: 1x2-Pin 25-Pack

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Audio
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