The Onkyo TX-RZ50 9.2 AV Receiver is a 9.2 channel receiver with up to 11.2 channels of processing for versatile & impressive home-theatre setups. Wide-ranging smart home compatibility including Sonos certification & DTS Play-Fi helps you connect synchronise your devices & access their controls in one convenient online application. Dirac Live helps your AVR deliver the best sound in any space by using intelligent room calibration software. Klipsch Optimise Mode is built-in specifically for enhanced performance with Klipschs range of Reference Premiere speakers. Such spectacular sound is accompanied by high-quality visual imaging thanks to three HDMI-out options delivering unspoiled HDMI 8K/4K data at 40 Gbps.