Rockford Fosgate Omnifi DMP1-DWL12 Home/Car Wireless Digital Music System Full-featured wireless home and car audio system that broadcasts digital music from your PC DMS1 Digital Media Streamer plays MP3, WMA, and streaming Internet radio through home speakers DMP1 car package includes removable 20 GB hard drive, faceplate, and wireless USB adapter for music downloading SimpleCenter PC software acts as digital media jukebox and coordinates all music transfers Requires 802.11b wireless router for cable-free operation; 1-year warranty