3 Watts 5V Stereo Digital Audio Amplifier Board

Power supply: DC 2.5-5.5 V
Output power: 3W + 3W
SNR: 90dB
Efficiency: > 90%
Size: 15.5×24 mm

NOTE:
Positive and negative power supply can not be reversed
Power supply voltage can not exceed 5.5V
On-chip high-gain buffer, please do not change any component parameters , or the IC will be damaged.
Please try to use the input line with shielded cable, you can play a role in immunity, eliminate clutter current sound.