The Marantz SR4001 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 home theater systems, offering compatibility with Dolby Digital, 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 and HDMI(1.1) video switching. You?re in control if the SR4001 drives your entertainment system.