UPC 634978406122
Barcode for HUAZHU DC 5V-12V Micro Electret Amplifier MIC Condenser Mini Microphone Amplifier Board 2PCS
Scannable Barcode for UPC 634978406122
Sellers
| Marketplace | Price | Updated |
|---|---|---|
| $10.99 | 11/28/2021 04:20:22 GMT - Details |
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Attributes
| Attribute | Value |
|---|---|
| Binding | Electronics |
| Brand | HUAZHU |
| EAN | 0634978406122 |
| Manufacturer | HUAZHU |
| UPC | 634978406122 |
Description
- 1. Amplifier board IN and GND use shielded cable access electret microphone, access to the attention of the polarity, the electret after the reverse will be very little or no sound;
- 2. Amplifier OUT board connected speakers, speakers away from the microphone, in order to avoid self-excited noise;
- 3. Power amplifier board positive and negative access 5 12V DC power supply, please do not reverse, otherwise it will burn out the module;
- 4. Amplifier board comes with a volume trimmer potentiometer, if you feel the sound is too large or too small can try to adjust.
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