Sony HT-DDW700 Complete 5.1-Channel Home Theater System (Discontinued by Manufacturer) 5.1-channel home theater audio system with 800-watt receiver, 5 satellite speakers, and 8-inch subwoofer Dolby Digital, DTS, and Pro Logic II decoding; AM/FM tuner with 30 station presets (20 FM and 10 AM) Digital Cinema Sound processing optimizes audio for dramas/comedies, action films, and concert films Auto calibration function (with microphone) automatically adjusts for speaker placement, distance, and delay Receiver measures 17 x 5.75 x 12.12 inches (W x H x D); includes remote control; 1-year warranty