Modern design, with USB/SD/MMC/Karaoke function.
Sensitivity: 500mv
SNR: >85db
Frequency isresponded: 50-20KHz
Total in harmony wave distortion: 0.10%
Sound of ways is separated degree: >40db
Rated power:50Wx2(8ohm)
Impedance of loudspeaker: 4ohm
Voltage of the power: AC 220V 50Hz
Carton Size:355X335X635(mm)/ 1 set