1PCS DC 3-5V Electret Microphone Preamplifier Module 721 Adjustable 5-30db
USD 1.88 USD
Specifications
| Brand | Unbranded |
This is only a small signal amplifier and cannot directly drive the speaker. An amplifier needs to be added. 1 X pickup module. Adjustable resistor to adjust gain, easy to operate and suitable for DIY projects.
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