GPX DV3000 DVD Player DVD player with DVD, video CD, audio CD, MP3-CD, CD-R, and CD-RW playback Built-in Dolby Digital AC3 5.1-channel decoding; DTS 5.1-channel digital-audio output Built-in DVD sing-along karaoke with echo and pitch controls and 2 microphone inputs Features multiaspect ratio viewing and 45-key DVD remote control Connections include coaxial and optical digital-audio outputs and S-video output