... sound quantity. Distorted cut. Distorted gain. The distorted volume, the bass, the tenor, the treble, the reverberation, the earphone outputs, 10” speaker box body size: 335*180 ... , original sound quantity. Distorted cut. Distorted gain. The distorted volume, the bass, the tenor, the treble, the reverberation, the earphone outputs, 12” +4 “speaker box body size ...