400 Disc Multi-Format DVD / CD Changer CD, CD+G, VCD, DVD, CD-R, CD-RW, ... DVD+-RW Compatible 400 discs DVD/CD+G Karaoke Changer With SC/USB Reader Have you got a big ... Microphone Volume ControllerBuilt-in Karaoke Mixer for Karaoke or Voice NarrationBuilt-in Microphone Bass and Treble ControllerEcho ControllerFull Function ... (Interlace or Progressive Scan) 400 Disc DVD Player & Changer With HDMI