Sinbosen K4-450 Home audio 450 watt class d small 1U stereo digital karaoke amplifier
Sinbosen K4-450 Home audio 450 watt class d small 1U stereo digital karaoke amplifier
Model:K4-450
Sinbosen K4-450 Home audio 450 watt class d small 1U stereo digital karaoke amplifier
Model:K4-450