Keep on question for the true sound

Specifications

5.1CH KARAOKE PROCESSOR

Frequency Response : 20Hz - 20kHz
Total harmonic Distortion : 0.08% (max)
Music Input (L / R)
Sensitivity : 670 mV
Input impedance : 44 kΩ
Microphone input
Sensitivity : 35 mV
Input impedance : 10 kΩ
Output
MAIN OUT (L/R) :2.6 V
CENTER OUT :2.6V
SUB-WOOFER OUT :2.6 V
AUX OUT (L/R) :2.6 V
REC OUT (L/R) :2.9 V
Key Control: 15 steps
Power Voltage: 90V ～ 250V/50Hz
Power consumption : 10 W
Dimensions : 483 X 45 X 151 mm
Weight : 1.8 kg