built-in transmitter and separate receiver for wireless rear surround sound transmission hdmi repeater input allows for easy 1 cable connection of other digital boxes features progressive scan dvd receiver, 5 full range speakers and subwoofer adds ipod /iphone? music and video playback through a connected dock input 1000 watts peak ipod dock included and single dvd disc hdmi output with 1080p up-conversion mp3, wma,dolby digital and dts decoding and jpeg playback