PAM8403 5V 2 Channel Stereo Mini Class D 3W 3W Audio Amplifier Board

Operating Voltage Range – 2.5V – 5.5V Max Gain – 24 dB Current Handling Capacity – 8 mA Efficiency – 87 % Amplifier IC – PAM 8403 Load – Can direct drive 4 or 8 ohm small speakers. Power supply Rejection Ratio – -58 dB. S/N Ratio – 80 dB. Dimensions – 21 mm x 18 mm x 3 mm Weight – 1.5 gms