Bo mạch khuếch đại âm thanh kỹ thuật số 500W Mono kênh Class D HiFi

Specifications: 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: 4-8ohm 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. Product Size: approx. 100*50*30mm/3.93*1.96*1.18'' 14. Net weight: approx.100g Note: Please allow 1-3mm differs due to manual measurement. Due to the different display and different light, the picture may not reflect the actual color of the item. Thanks for your understanding. Included: 1 x Digital Amplifier Module #ConsumerElectronics #Amplifier #amplifierboard #digital #monochannel #ampboard #irs2092 #VideoHomeAudio #suitable #boardmodule #amplifiermodule #dual #hifiboard #digitalproduct #HighQuality #48ohm #videoaudiopart #miniboard