Harman Kardon AVR 230 Audio/Video Surround Receiver (Discontinued by Manufacturer) High-current audio/video surround receiver with 50 watts x 6 in surround mode Processing for Dolby Digital/Dolby EX, and DTS (DTS-ES, Neo:6) 6.1-channel discrete and matrix Dolby Pro Logic II and proprietary Logic 7 simulated surround sound Features 6.2-channel preamp outputs Measures 17.3 x 6.6 x 15 inches (W x H x D)