ITEM NAME:2 pcs 2 Amplifier channel audio amplifier board 3W PAM8403 Module N9R7 2 pcs 2 Amplifier channel audio amplifier board 3W PAM8403 Module N9R7 Premium audio amplifier board high quality. CMOS BTL output controller No component parameters are changed to protect IC The board can be.Output power: 3W + 3W (4 ohms). Premium audio amplifier board high quality. Frequency: Over 90%. Noise: 90 dB. Suitable for MP3 / MP4 / Notebook. Current:2,5-5,5V DC.
