Product highlights: Power and processing: 7-channel amplifier 100 watts per channel into 8 ohms (20-20,000 Hz) at 0.06% THD, with 2 channels driven Dolby® and DTS® surround sound decoding Dolby Atmos® and DTS:X™ processing for use with in-ceiling or "height" speakers for more enveloping home theater sound Dolby Atmos Height Virtualization creates three-dimensional effects without height speakers Cinema DSP 3D adds richness and depth to music and movie soundtracks YPAO (Yamaha Parametric Room Acoustic Optimizer) automatic speaker calibration included microphone helps fine-tune your system to best match your room's acoustics R.S.C. (Reflected Sound Control) helps deliver smooth, well-balanced surround sound across different seating positions Music Enhancer improves sound quality of Bluetooth streams, MP3s, and other digitally compressed music files Digital and streaming music options: built-in Wi-Fi for listening to music from a networked PC, free internet radio, and music services MusicCast wirelessly connects compatible Yamaha components together for seamless whole-home audio includes support for Pandora®, SiriusXM, and Spotify® (subscription required for some services) free MusicCast app offers easy Wi-Fi control, settings adjustments, and music selection and playback works with Amazon Alexa and Google Assistant voice control devices Apple AirPlay 2 lets you stream directly from an iPhone® or iPad® and ask Siri to play Apple Music® built-in Bluetooth for wireless music listening with smartphones, tablets, and compatible computers plays high-resolution digital music files via USB storage device or a networked computer (PCM up to 24-bit/384kHz resolution; DSD up to 11.2 MHz) Multi-room audio: dual-room/dual-source output amp assign function lets you use the surround back speaker outputs in different configurations like bi-amping the front speakers, or for use in Zone 2 using powered 2nd-room output allows 5.2-channel sound in main room cannot select different USB/Bluetooth/network sources for each zone Zone 2 stereo preamp outputs for use with an optional external amplifier HDMI features: HDMI 2.1 audio/video switching: 7 in, 1 out all HDMI connections support 4K/60Hz video content 3 HDMI inputs support 8K/60Hz and 4K/120Hz video content HDCP 2.3 technology ensures compatibility with Ultra HD sources and TVs HDR-compatible for extended picture contrast and brightness with compatible TVs and HDR-encoded content supports HDR10, HDR10+, HLG, and Dolby Vision® gaming-optimized video processing technologies for a smooth, lag-free gaming experience Variable Refresh Rate (VRR) and Auto Low Latency Mode (ALLM) supports ARC (Audio Return Channel) and eARC (Enhanced Audio Return Channel) eARC receives uncompressed surround sound signals including Dolby Atmos and DTS:X via the HDMI connection with your compatible TV Other connections: digital audio inputs: 1 Toslink optical, 1 coaxial 3 analog stereo RCA audio inputs MM (moving magnet) phono input for connecting a turntable two line-level subwoofer outputs (each output carries the same signal) front-panel USB port for music playback from a USB thumb drive outputs for 9 speakers (Front L/R, Center, Surround L/R, Surround Back L/R, Front Presence L/R) receiver can power a maximum of 7 channels at once Ethernet port for network connection 12-volt trigger output full-sized front-panel headphone jack General features: free MusicCast app lets you use your Apple® or Android™ device as a Wi-Fi remote Yamaha AV Setup Guide app guides you through the connection process and initial settings AM/FM tuner handheld remote control included 17-1/8"W x 6-11/16"H x 14-15/16"D (9-5/8"H with Bluetooth and Wi-Fi antennas raised) weight: 21.6 lbs. warranty: 2 years