Keep on question for the true sound

Specifications

5.1 CH KARAOKE PROCESSER
Frequency Response:20Hz-20kHz
Total Harmonic Distortion(THD):0.05%(max)
S/N Ratio:100dB(min)
Cross Talk:65dB(min)
Music Input
Input Sensitivity:30mV
Impedance:50kΩ
Microphone Ipnut
Sensitivity：30mV
Impedance：50kΩ
Ouput
Main Out（L/R):2.0V
Center Out: 3.6V
Sub-Woofer Out:3.6V
Surround Out(L/R):3.6V
REC Out(L/R):3.6V
Ket Control:15steps
Power Voltage:100-250V 50/60Hz
Dimensions (WHD):482x45x200mm
Weight:2.2kg