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2-Channel 3W PAM8403 Audio Amplifier Board - Red
Color: Red - Quantity: 1 - Material: Circuit board - Voltage: DC 2.5~5.5V - Output power: 3W + 3W (at 4ohm) - Noise ratio: 90dB - Efficiency: More than 90% - 2 channels 3W amplifier with PAM8403. - Output is CMOS BTL driver - Cannot change any component parameters to protect IC - The board can also powered by 5V USB power supply or 4 x 1.5V batteries - It is perfect for MP3/MP4/notebook