The Marantz SR5500 Digital Surround Receiver is a high-performance, high-power home theater receiver that offers outstanding home theater surround sound quality and operational flexibility. It features DD-EX, DTS ES, Dolby Pro Logic II and Circle Surround II. The SR5500 features an equal power amplifier section, with high current discrete output on all channels. Highly accurate 192kHz/24-bit audio D/A converters handle the analogue to digital conversion, resulting in more faithful sound quality compared to the original source. It is built to Marantz standards with refinements such as video conversion, a metal faceplate, video off mode and high grade components. Experience your movies and music in dynamic Marantz style.