Product Details:
Attention:
1:) This amplifier board requires dual DC power supply (3-wire type).
2:) Power formula P=U * U/R.
3:) If you have any questions about receiving the package, please contact us promptly for negotiation and resolution.
4:) Do not connect live wires.
5:) Do not connect the positive and negative terminals of the power supply in reverse Otherwise, it will burn out the amplifier board.
6:) Do not use over voltage.
7:) This amplifier board is designed for mono sound. If you need stereo sound, you need to purchase 2 pieces.
Specifications:
Power supply voltage: Dual DC power supply ± 45--- ± 70V (recommended+-65V power supply is sufficient)
Rated output power: 500W (± 65V power supply for 4 ohms load, distortion 1%)
Efficiency:>= 90%
Signal to noise ratio: 90dB
Total harmonic distortion: 380W (± 70 power supply for 4 ohm speakers, distortion<0.1%)
280W (± 70 power supply for 8-ohm speaker, distortion<0.1%)
Frequency response range: 20Hz-20KHz
Speaker: 4-8 Ω
Voltage amplification factor: 50 times
Input sensitivity 1V (RMS)
Output DC bias protection, also known as horn protection: available
Amplifier board size: length x width x height=98x43x30mm
Weight: 100 grams
Package List:
1 × 500W amplifier board
