Designed for professional karaoke, Double effect mode, music, double reverb, microphone volume adjustment, built-in super bass output; Three stereo RCA audio input options, adjustable music high, middle and bass, adjustable left and right output balance; 3.1 channel XLR output, center and subwoofer output levels are independently adjustable; The output adopts the relay delay switch design to eliminate the shock of starting; Built-in Bluetooth, MP3, FM radio player, with digital tube display, remote control operation; A total of 5 microphone inputs in the front 3 and 2 back, with automatic squelch function, and independent adjustment of the input level; Microphone microphone adjustable high, middle and bass, adjustable left and right output balance; Karaoke double-echo effect design, the delay time of left and right channels is independently adjustable; Standard 1U aluminum alloy wire drawing panel, hidden function adjustment design. Size: 483*205*45mm Weight: 2.5kg