Onboard HXJ8002 single channel 3W, BTL bridge connection audio power amplifier chip. 2 x HXJ8002 Power Amplifier Board Mini Audio Voice Amplifier Module Replace PAM8403. the THD + D <10%, while the frequency of the input is 1KHZ under different load conditions the output power (typical): 3W (load 3ω); 2.5W (load 4ω); 1.5W (load 8ω).
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