1pc DC 3V 3.7V 5V High-Power Cl AB Mono 3W Mini Amplifier Board Audio Amp Module One Channel

Power amplifier board with NS8002 (beyond the domestic 8002A, B, C, D) AB cla efficient power amplifier ch carefully debug sound quality perfect, strong power, without any interference, it is fine! Parameter descrtion: size: length 16 × width 10.5 × thickne 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

About shping
Shping and Pack All it will be double checked and well packed before sending.It will be dispatched within 2 business days after buyers pay for the order. It usually takes about 14 to 18 working days for delivering the package to the destination(for e areas,it may take a little longer). 

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