NAD T 785 HD A/V Surround Sound Receiver 7 x 120 Minimum Continuous POwer into 4 / 8 ohms, all channels driven similtaneously 20Hz-29kHz with &lt;0.5% MDC Modular Design Construcion allows future upgrades, includese AM 200 Dual DSP Audio Module and VM 200 VXP Video Module. Lossless decoding: Dolby True HD and DTS-Master Audio. Dolby Digital, Dolby Digital Plus, Pro Logic II, Pro Logic IIx Auto Setup and Calibration of all speaker settings using suppied microphonel Audyssey MultEQ XT Digital Inputs available as 2 channel analog mixdown on Zone 2 output.