Portable Amp 1.Built-in DVD and cassette player,USB,SD jack ... double surface SMT circuit9.Built-in DVD player ,FM radio receiver,can play DVD,VCD,CD,MP3,MP4 disc10.USB,SD ... be inserted flash memory card,MP3,MP411.Built-in advanced receiver modular system with two wireless mics (handheld ,lavalier ,and clip ... buit-in audio wirelessDimensions 300X300X510mmN.W.18KG PA-118DUT Portable Amp