9.2-Channel Network A/V Receiver Immense power for unparalleled speaker control A glance at the TX-RZ840’s imposing front panel reveals a component built for one purpose: making your smile wider as the volume goes higher. Its thick chassis is loaded with custom parts tested and tuned to THX® Certified Select™ reference standards, handling massive current flows for sound you feel emotionally and physically. Beyond 3D surround supporting IMAX® Enhanced1 content up to 11.2 channels, and a finessed touch that breathes life into stereo music, the receiver forms a hub for house-wide entertainment with Next-Generation Network Audio integrating AirPlay 2, Works with Sonos, Chromecast built-in2, and more over 802.11ac Wi-Fi®3. Three-zone powered D/A audio distribution is easily managed from your smartphone. With state-of-the art connectivity and custom-installation interfaces included, it’s the TX-RZ840’s visceral presence you’ll find most difficult to resist. 1 Enabled with a future firmware update. 2 The unit may automatically download and apply an Over-the-Air software update during setup. 3 Some countries or regions have regulations that affect wireless signal strength and the use of Wi-Fi channels. PRODUCT HIGHLIGHTS 215 W/Ch THX® Certified Select™ RZ Series DAA system Ultra-wide 5 Hz–100 kHz frequency response Works with Sonos, Chromecast built-in1, AirPlay 2, DTS Play-Fi®, FlareConnect™2, Spotify®, Amazon Music, TIDAL, Deezer, TuneIn3 Supports 5.2.4-ch Dolby Atmos® and DTS:X® playback 11.2-ch pre-outs and processing for 7.2.4 layouts Dolby Atmos Height Virtualizer4 IMAX® Enhanced4 certified for IMAX® digital re-masters HDMI® Main output with eARC, HDMI Sub/Zone 2 Out5 Refined HDMI grounds, SoC board, and power amps Quad-core SoC supports 802.11ac (2x2 MIMO) Wi-Fi®6 Zone 2 and Zone 3 speaker outputs Zone 2 and Zone 3 DACs for D/A audio in three rooms Zone 2/Zone B and Zone 3 line-outs share D/A audio Stereo Assign Mode supports Height-channel playback DSP-based Vocal Enhancer improves dialog audibility OSD features media input/output data display function HDMI supports 4K/60p, 4K HDR, BT.2020, HDCP 2.2 AccuEQ Advance 9-point calibration with AccuReflex™ Volume memory-presets for A/V inputs via front panel IP control, RS-232C, 12 V trigger output, and IR input AMPLIFIER FEATURES 215 W/Ch (6 Ω, 1 kHz, 10% THD, 1 channel driven), 180 W/Ch (6 Ω, 1 kHz, 1% THD, 1 channel driven, IEC) Certified for IMAX Enhanced and THX Certified Select Dynamic Audio Amplification with RZ Series Build Ultra-wide 5 Hz–100 kHz frequency response Custom-built High-Current Low-Noise Power Transformer Custom 15,000 μF high-current smoothing capacitors Non-phase-shift amp topology with discrete output stage Extruded anti-resonant aluminum heat-sink with black anodized paint Strengthened power-supply line for high-current dynamics Refined HDMI grounds and short signal-paths reduce noise Isolated SoC board reduces interference High current capability for 4-ohm speaker drive AKM (AK4458) 384 kHz/32-bit multichannel D/A conversion VLSC™ (Vector Linear Shaping Circuitry) noise filtering (Front L/R) PLL (Phase Locked Loop) anti-jitter technology for SPDIF audio Pure Audio Mode and Direct Mode for source authentic expression Independent tone controls (bass/treble) for all channels (Zone 3 excluded) VIDEO & AUDIO SUPPORT Supports HDCP 2.2, 4K/60p, HDR (Dolby Vision™, HDR10, HLG), BT.2020, 4:4:4 color sub-sampling, 24-bit color, 3D Video, ARC (Audio Return Channel), DeepColor™, x.v.Color, and LipSync via HDMI Dolby Atmos, DTS:X, Dolby® TrueHD, and DTS-HD Master Audio® Dolby Atmos Height Virtualizer 3D audio processing Dolby Surround® and DTS® Neural:X upmixing technology IMAX Mode for IMAX Enhanced content THX® listening modes for movies, music, and games Sound optimization for games (Rock, Sports, Action, and RPG) Theater-Dimensional virtual surround-sound function NETWORK FEATURES Next-Generation Network Audio supports multi-room streaming and Onkyo Controller7 Works with Sonos for the Sonos Home Sound System8 Chromecast built-in and voice control9 with the Google Assistant AirPlay 2 multi-room audio and voice control10 with Siri DTS Play-Fi multi-room audio via Onkyo Music Control App7 FlareConnect multi-zone audio with compatible components Quad-core SoC supports high-speed 802.11ac (2x2 MIMO) Wi-Fi Hi-Res Audio playback via network (DSD Direct 11.2 MHz11; DSD 11.2 MHz/5.6 MHz/2.8 MHz11 [PCM conversion]; FLAC, WAV [RIFF], AIFF, and ALAC to 192 kHz/24-bit12) CONNECTION FEATURES 7 HDMI inputs (1 front), 2 outputs (Main [eARC], Sub/Zone 2) 1 component video input (assignable) 2 composite video inputs (assignable) 2 digital audio inputs (optical and coaxial, assignable) 6 analog RCA inputs (assignable) 1 phono input with built-in low-noise MM equalizer for turntable 3.5 mm setup mic input for AccuEQ Advance (front) 6.35 mm headphone jack (front) 11.2-channel pre-outs (analog RCA, variable) Zone 2/Zone B and Zone 3 analog RCA line-level outputs 9 screw-type speaker posts (including Zone 2) Bi-directional Ethernet terminal for network and IP control USB input (5 V/1 A) for audio playback (rear) RS-232C serial port for remote control IR (infrared) input for remote-control extenders 12 V trigger output (Main, assignable, 100 mA) AC socket for detachable IEC power cord ADVANCED FEATURES AccuEQ Advance 9-point calibration with AccuReflex Bluetooth® wireless technology with Wake on Play Standby Advanced Music Optimizer improves compressed audio playback Vocal Enhancer DSP clarifies dialog via remote or front-panel controls HDMI Main Out features eARC transmission of HQ audio from supported TVs to the A/V receiver Aluminum front panel and door to conceal front-panel controls Zone 2 and Zone 3 speaker outputs with Zone 2 and Zone 3 DACs play synced or unique D/A sources simultaneously (Zone 2 supports HDMI/SPDIF13) Zone 2 line-out mode connects audio systems for independent D/A playback (including HDMI/SPDIF14) in two rooms Zone B line-out mode supports wireless headphone transmitter connection for simultaneous playback of D/A audio in Main and Zone B15 Zone 2 and Zone 3 line-outs support simultaneous output*13 Front-to-Height speaker-switching in Stereo Assign Mode for BGM 1080p to 4K Super Resolution upscaling via HDMI GUI with overlaid OSD via HDMI featuring media input/output display Crossover adjustment for each channel (40/50/60/70/80/90/100/120/150/180/200 Hz) A/V Sync Control (up to 500 ms in 5 ms steps at 48 kHz) Various efficient standby modes and HDMI pass-through Optional rack-mounting kit (IRK-180-4C) IP control for home automation, SmartGrid-ready 3-Mode display dimmer (Normal/Dim/Dimmer) 40 FM/AM random presets Redesigned simple remote control *1 The unit may automatically download and apply an Over-the-Air software update during setup. *2 FlareConnect is a proprietary network protocol that shares select audio sources between supported components. Please visit the Onkyo website for product compatibility information. *3 Service availability varies with region and subscriptions may be required. *4 Enabled with a future firmware update. *5 HDMI Zone 2 Out mode supports signals from HDMI inputs 1–3 only. *6 Some countries or regions have regulations that affect wireless signal strength and the use of Wi-Fi channels. *7 Available free at the App Store and Google Play for iPhone, iPad, and Android™ devices. Please check device and OS requirements before installation. *8 Requires a Sonos Connect (sold separately). *9 Voice control requires a smart speaker featuring the Google Assistant. *10 Voice control with Siri requires an Apple HomePod. *11 DSD playback over Wi-Fi cannot be guaranteed in all network environments. *12 Supported sampling rates may vary depending on network environment. ALAC supported to 96 kHz. *13 When set to Zone 2, HDMI audio is available on inputs 1–3. SPDIF and HDMI support PCM signals only. Simultaneous playback of multiple audio sources enabled. Zone 3 supports analog/NET/Bluetooth. *14 HDMI audio is available on inputs 1–3. SPDIF and HDMI support PCM signals only. Simultaneous playback of multiple audio sources enabled. *15 When set to Zone B,playback of encoded and PCM audio via any input is enabled in Main and Zone B.