DHRUV-PRO IRS2092S HiFi Power Amplifier Board 500W Mono Channel Digital Amplifier Class D Electronic Components Electronic Hobby Kit

"Parameters: 1. Power supply: dual DC power supply ± 58 --- ± 70V 2. The rated output power: 500W (± 65V power supply, 4 ohm load, distortion 10%) 3. Efficiency:> = 90% 4. SNR: 90dB 5. The total harmonic distortion: 380W (± 65 power 4 ohm speaker, distortion <0.1%) 280W (± 65 power 8 ohm speaker, distortion <0.1%) 6. Frequency range: 20Hz-20KHz 7. Speaker: 4-8? 8. Voltage Magnification: 36 times 9. Input sensitivity 1.5V (RMS) 10. Output short circuit protection: Yes 11. That output DC bias protection speaker protection: Yes 12. Over-temperature protection: Yes, radiator FET temperature higher than 100 ° C, turn off the output! 13. Amplifier board size: length x width x height = 96x43x27mm Use precautions: 1. Rated supply voltage is ±65V, ±58---±70V range, do not over 70V! positive and negative do not pick wrong 2. Recommended power supply ±65V 3. Recommended 4-8? / 10-18inch speaker 4. Carefully check before electricity, ensure the wiring is correct. Output impedance: 4? Voltage gain: 36 times Output short circuit protection: Yes Overload protection: Yes Overheat protection: Yes Zero-point protection: Yes Size: 10*4.2MM DPA500MINI version with IRFB31N20 power tube, this tube 31A 200V Output power: When the power is plus or minus 65V, the load is 8 ohms, output is 300W, THD is 0.2% Output power: Under positive and negative 65V power supply, the load is 4 ohms, the output is 500W, THD 10% Package included: 1 Pc 500W Mono Digital power amplifier board"