THE BRAND GURU™ IRS2092S High Power 500W Class D HIFI IMPORTED Digital Amplifier Board Sound Recorder and Sound Circuit Electronic Hobby Kit

Efficiency:? 90% SNR: 90dB color: blue The total harmonic distortion: 380W (+/- 65 power 4 ohm speaker, distortion Less than 0.1%) 280W (+/- 65 power 8 ohm speaker, distortion Less than 0.1% Frequency range: 20Hz-20KHZ Speaker: 4-80hm Voltage Magnification: 36 times Input sensitivity 1.5V (RMS) O. Output short circuit protection: Yes That output DC bias protection speaker protection: Yes Over-temperature protection: Yes, radiator FET temperature higher than 100 Celsius, turn off the output! Amplifier board size: length x width x height : 98×43x30mm Weight: 95 g use precautions: Rated supply voltage is +/-65V, +/-58---+/-70V range, do not over 70V! positive and negative do not pick wrong Recommended power supply +/-65V Recommended 4-80hm/ 10-18inch speaker Carefully check before electricity, ensure the wiring is correct. Material:CCL