Detailed Product Description karaoke amplifier, amplifier, KTV amplifier ModelOK-100OK-150OK-200Frequency Response(±3dB)50Hz±5%(A weighted)Signal to Noise Ratio86dBDistortionTHD20Hz-20KHz<0.05%Output Power 8Ω, 1KHz, RMS2*200W2*300W2*400WLine Input Sensitivity Dimension (H*W*D mm)430*345*145Net Weight 10.5kg