12-18V power 12W DT990 HD650 DIY audio amplifier board solo earphone amplifier small audio amp stereo power amplifier--shop.rfid-life.com

DIY audio amplifier board

$17.51
Quantity

Description

12-18V power 12W DT990 HD650 DIY audio amplifier board solo earphone amplifier small audio amp stereo power amplifier

Debugging method
1. Make sure that the position and polarity of each part are correct
2. Positive and negative 12V power supply test pass
3. Test output DC voltage is 10mv

 

Note:
AC power input range of 12-18V power 12W
2.12V DC output for external low-power equipment, simple current not more than 100 mA
3. Signal input 1 and 2 in parallel, any one can choose