The LG LH-W550TB is a complete home theater system that functions on a 2.4Ghz wireless signal to eliminate the clutter of wiring surround speakers. It features a powered subwoofer and five speakers, along with the XTS Pro Digital Amplifier, outputting at 500 watts. The system can decode both DTS and Dolby Digital sound signals. Its DVD player is progressive scan in both PAL and NTSC formats, and is also capable of playing MP3, WMA, DivX, Xvid and JPEG files. The unit also comes with an AM/FM tuner and has composite, component and S-video outputs.