Modul amplifier audio mono 3W mini DC 3V 3.7V 5V AB channel
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Detail Modul amplifier audio mono 3W mini DC 3V 3.7V 5V AB channel
Power amplifier board with NS8002 (beyond the domestic 8002A, B, C, D) AB class efficient power amplifier chip carefully debug sound quality perfect, strong power, without any interference, it is fine!Parameter description:
PCB size: length 16 × width 10.5 × thickness 2.6mm (with protruding part)
Installation: SMT patch
Output power: mono 3W
Supply voltage: 2V-5V (3.7V lithium battery can be used)
Output impedance: 4Ω-8Ω
Frequency response: 150HZ-20KHZ
Efficiency: 90%
Mute control: Yes
Volume adjustment: none
Wiring instructions:This board should be grounded, 3 feet for the power supply negative and ground sharing. 1 foot for the quiet output, and 3 feet to be connected together, when the voltage is 0 when the sound, the voltage is 0.5-5V when the silent, no sound output.
Package Included:1 x Mini Amplifier Board
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