The Sony DAV-FX900W DVD Dream® System is a home theater system with integrated 5 DVD/CD changer incorporating the latest audio and video technologies and wireless rear speakers. DAV-FX900W comes equipped with HDMI™ interface to ensure compatibility with the latest digital television. It has dedicated audio input for portable digital music players. Plus it is compatible with XM Connect & Play™ so you can listen to all the exciting stations available through XM (requires optional XM antenna and service subscription). In addition, it offers wireless rear speakers using DIAT™ infrared audio transmission technology to reduce speaker cables.