Impex Prime DX1 5.1Ch DVD Player with Amplifier, Mic input and USB Copy Function Rated Power : 100-240 AC, 50/60 Hz, 15 W Power Resume DVD to USB Copy Function Built in Amplifier with On/Off Switch External Mic Option 5.1 Audio, AV, Component, S-Video, Coaxial Output Compatible with DVD/CD/VCD/MP3 USB Plug & Play. Use 5.1 Channel DVD to get output on 5.1 Speakers, or use a converter to convert 2.1 Songs to 5.1 Mode.