Builtin DVD, Tuner (FM/AM Radio), MP3 (USB), AUX; 240W Power, 5 Zones select; Timer function ... Impedance: 8Ω /16Ω ; Total Number of Zone: 8 Programmable Zones; Power (RMS), 1KHz, 1% THD: 50W(Stereo) Master ... DVD(Video/Audio), USB(MP3), AM/FM Tuner and Aux Input; Programs: 99 pre-set programmable; Clock: Internal Clock ... Connection: CAT4 / CAT5 / CAT6 5zone, DVD, MP3/USB/SD, Radio, PA Mixer Amplifier