500W High Power Class D HIFI Mono Digital Power Amplifier Board

1.Introduction:
It is a High power 500W mono Class D HIFI amplifier board.

2.Feature:
1>.Dual DC power supply.
2>.Maximum effective power: 500W (at ±65V 4 ohm load input 1V RMS).
3>.Sound Channel: Mono.
4>.There is output DC bias protection, i.e., horn protection.

3.Parameter:
1>.Power supply voltage: Dual DC power supply +/-45 ~ +/-70V (recommended +/-65V)
2>.Rated output power: 500W (± 65V power supply 4 ohm load, distortion 1%)
3>.Efficiency: ≥90%
4>.Signal-to-noise ratio: 90dB
5>.Total harmonic distortion:
5.1>.380W (+/-70V 4ohm, distortion <0.1%)
5.2>.280W (+/-70 8ohm, distortion <0.1%)
6>.Frequency response range: 20Hz-20KHz
7>.Speaker: 4-8ohm
8>.Voltage amplification: 50 times
9>.Input sensitivity: 1V (RMS)
10>.Output DC bias protection(horn protection): Yes
11>.Work Temperature:-25℃~85℃
12>.Work Humidity:0%~95%RH
13>.Size: 98*43*30MM

4.Note:
1>.Live wiring is prohibited.
2>.Do not connect the positive and negative poles of the power supply, but burn them.
3>.Do not use with overpressure.
4>.To double DC power supply, single power supply will not work!
5>.The power is determined by the voltage and load, the higher the voltage and the smaller the load, the greater the power.
6>.At any time, the power of the power supply must be greater than the power of the power amplifier, otherwise the large volume will not move, the power will be reduced and the sound will be broken, and the corresponding power output will not be reached.

5.Package:
  1pcs HIFI amplifier board.

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