Aluminum alloy panels, real 5.1 channel independent output, dynamic display,all function remote control, the protection circuit Stereo power 8Ω2X150W2X200WFrequency Response +/-1dB(Hz)20Hz~20KHz±3dbTotal Harmonic Distortion THD0.03%Input Sensitivity(Mic)6mV/3.3KΩInput Sensitivity(Music)300mV/47KΩPower consumption760WProtectionOverload protection, protection, temperature protection, shock ...