1000W IRS2092 Audio Amplifier Board HIFI Enthusiast High Power Mono Subwoofer Digital Amplifier Board
Supply voltage: +51--+75V
Maximum power: Peak 1000W
Efficiency>=90%
Signal to noise ratio: 88dB
Input sensitivity: 1.5V (effective value)
Input impedance: 3.3KN
frequency response : 20Hz-20KHz
Output impedance: 20, can use 2-8Q speaker
Voltage gain: Amplified by 36 times
Work indicator light: blue LED light
Protection indicator light red LED light
overload protection: Red light comes on during protection
Zero bias protection: When the board has abnormal DC output, the protection is activated and the red light is on
Overvoltage protection: If the power supply voltage exceeds the set value, the protection will be triggered and the red light will be on
Overheat protection: When the temperature reaches 75 ° C (+5 ° C), start the protection and turn on the red light
Board size: 12CMX5.9CM * 2.5cm
Precautions for use
1. Power supply voltage range:+51--+75V can work normally (if it exceeds+75V, it must be burned)
2. If it is a ring cow, due to the lack of voltage regulation function, the voltage will rise with the fluctuation of the power grid. Please leave an allowance
3. It is recommended to use a DC positive and negative power supply with sufficient power filtering for power supply;
4. Before powering on and using, please carefully check whether the wiring is correct and secure, and only power on after ensuring that there are no errors
5. The finished board has been adjusted with the best parameters before shipment. Users are not allowed to debug or arbitrarily modify any components on the board. If modified, it will be difficult to match the accuracy and may cause abnormalities.
6. Speaker selection: It is recommended to use 8-20 inch, 2-8 ohm speakers;
7. The amplification factor of the output voltage of this power amplifier board is 36 times. If the output power is not enough, you need to do it yourself, Need to add a pre amplifier on your own
  
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