Sony HT-4800DP 5-Disc Progressive Scan Home Theater System with STR-K4800P Receiver (Discontinued by Manufacturer) Home theater surround sound package with receiver, DVD player, and 6 speakers 5-disc DVD changer, compatible with CD-R/CD-RW, DVD-R, DVD+RW, DVD-RW (in the video mode), and MP3 formats CD, MD/tape, DVD, Video1, Video2, and subwoofer as well as a Monitor connections Dolby Digital, DTS, and Dolby Pro Logic II decoding Includes 2 front, 2 surround, 1 center, and 1 subwoofer speaker