The Marantz SR4500 represents an outstanding combination of home theater receiver performance,features and flexibility along with renown Marantz sound quality. It?s the ultimate choice for a wide variety of high performance 6.1-channel home theater systems, offering compatibility with DolbyDigital, Dolby Pro Logic IIx and DTS decoding. Experience the true excitement of a movie soundtrack through 192kHz/24-bit audio D/A conversion and experience the ultimate functionality of having a wide variety of analogue and digital video and audio inputs, outputs and switching facilities, including Component video switching. You?re in control if the SR4500 drives your entertainment system.