Detailed Product Description power amplifier, karaoke amplifier, audio amplifier ModelDSP-610DSP-615DSP-620DSP-630Frequency Response(±3dB)25Hz-20kHz(A weighted)Signal to Noise Ratio>100dB>98dB>100dB>98dBDistortionTHD20Hz-20KHz<0.05%Output Power 8Ω, 1KHz, RMS2*200W2*300W2*200W2*300WLine Input Sensitivity(A.B.Unit)250mvDimension (H*W*D mm)132*430*330Net Weight 11.5kg13.5kg15.5kg16.5kg