Equipped with 485 communication interface, supports broadcast control host control; adopts imported digital movement, with super electronic shock resistance function, with high brightness dynamic VFD fluorescent display, clear and eye-catching; supports CD, VCD, DVD, MP3 audio format External USB disk to play MP3 music, 2 channels of audio signal left and right channel output, output frequency response range is 20 ~ 20KHz, with touch-key operation, you can choose single play, all play, single loop, all loop, stop Play and other functions; 2U standard chassis design, aluminum alloy panel, beautiful and practical. Cabinet size 485 * 88 * 340mm, power consumption is 15W