| select | 1PCS |
|---|---|
| Brand | Unbranded |
| Type | Microphone Amplifier Board |
| Compatible Brand | Universal |
| Marke | Markenlos |
| Produktart | Microphone Amplifier Board |
| Markenkompatibilität | Universell |
Check the listing for details. 1-10PCS DC 3-5V Electret Microphone Preamplifier Module 721 Adjustable 5-30db. Condition: New. Listed at 3.03 USD. This is only a small signal amplification, can not directly drive the speaker, you need to add an amplifier to work. Adopt original electret amplifier chip, low noise and high sensitivity pickup. Gain adjustable range 5-30dB, flexible to adapt to different scene needs.
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