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Onkyo’s New 11.2-Ch Flagship AVR Builds on a Legacy of Electrifying Sound with Unique Functions and a Broad Platform of Next-Generation Audio-Video Features

September 3, 2019

TOKYO, JAPAN. September 3, 2019 — Onkyo & Pioneer Corporation today unveils its anticipated 11.2-channel flagship A/V receiver, which aims to set the standard for full-scale 3D cinema sound and whole-home entertainment at the very highest level.

The THX® Certified Ultra™ 11.2-Channel TX-RZ3400 Network A/V Receiver is rated at 260 W x 11 channels (6 ohms, 1 kHz, 10% THD, 1-ch driven) and creates a seamless Dolby Atmos® or DTS:X® sound-field from various speaker layouts up to 7.2.4 channels. It can also serve app-controlled powered digital or analog audio to Zone 2 and Zone 3 with a 5.2.2-ch surround system in the main room*1. Dolby Surround® and DTS® Neural:X™ upmixers remap legacy soundtracks for 3D surround playback, while Dolby Atmos Height Virtualizer enhances immersion with traditional layouts. There are seven HDMI® inputs (one front) and three HDMI outputs that support simultaneous output and independent video playback*2. Main Out carries eARC and all terminals are HDCP 2.3-compliant with 4K/60p, HDR (HDR10, HLG, Dolby Vision™), and BT.2020 video pass-through.

The TX-RZ3400 is also an IMAX® Enhanced A/V receiver. Combining the best of IMAX and DTS®, IMAX Enhanced products bring the world’s most immersive entertainment experience to the home. With heart-pounding audio powered by DTS, this IMAX Enhanced device delivers remastered content paired with optimized playback to reproduce the full dynamic range of the IMAX signature sound experience in the home. Cinephiles can now enjoy IMAX Enhanced content at the highest levels—just as the filmmaker intended.

The TX-RZ3400 is the only Onkyo AVR with THX Certified Ultra from THX Ltd., an A/V reproduction standards and quality-assurance organization started by Lucasfilm Ltd. in 1983. Every aspect of the TX-RZ3400 was independently tested at THX Labs in a barrage of 2,000 bench-tests examining 14,000 data-points across 75 different categories. THX Certified Ultra guarantees the reference sound-pressure, loudness, and minimal distortion levels of a commercial cinema in homes where the screen-to-seat viewing distance is more than 3.5 m.

Onkyo’s range-topping Dynamic Audio Amplification is a high-current digital system with custom-built main power transformer, bespoke high-current smoothing capacitors, and sophisticated output-stage filtering. Customized parts are used throughout and are tuned by ear, measured, and tuned again to achieve subjectively and objectively good sound. Ultra-wide frequency response down to a floor-shaking 5 Hz captures the entire recording, as well as the atmosphere of the space around it, for true-to-life expression. Heart-stopping dynamics and exhilarating power effortlessly control large, low-impedance loudspeakers down to 4 ohms.

Unique hardware-based functions that improve sound quality are one area where the TX-RZ3400 distinguishes itself. These debut with several other features already introduced this year, and include a DSP-based Vocal Enhancer; on-screen media information overlay allowing source input and output parameters to be compared and adjusted; Stereo Assign Mode, which switches audio from front to height or surround/surround back speakers; and a Zone B line-out that shares any source to wireless headphones via a compatible dock or wireless transmitter.

Discrete Audio Path Mode for Selected BD Players
Discrete Audio Path Mode works with BD players that can transmit the source’s audio and video streams separately to the TV and A/V receiver via dual HDMI outputs. Since the A/V receiver is handling audio exclusively, HDMI output circuitry isn’t required and can be shut down to limit interference on the audio signal. This significantly improves the clarity of movie soundtracks, and can be switched on and off via the Quick Menu overlaid OSD.

Network Noise-Suppression Functions
Subtle interference can become noticeable on high-quality audio reproduction equipment. One culprit is the network module. To counter interference, the network board is isolated from audio circuitry and can be governed by two new modes. Cinema Dedicated Mode switches off the module clock, reducing interference. Cinema Dedicated Net Off Mode shuts down its power supply, eliminating noise for occasions when sound quality takes priority over an active network connection.

Advanced Noise-Reduction Technologies
A new HDMI circuit board features shorter signal paths and larger grounds. Errors are minimized and clean ground-potential is assured. On the audio-processing side, VLSC™ (Vector Linear Shaping Circuitry) on the DAC output stages compares input and output waveforms to filter high-frequency pulse-modulation noise, improving clarity and realism in the upper treble region.

AccuEQ ADVANCE PLUS with AccuReflex™
AccuEQ ADVANCE PLUS room acoustic calibration is an expanded version of AccuEQ Advance featuring standing-wave-removal technology. It gives greater flexibility in the application of EQ and includes high-frequency sound-correction. Following 9-point measurement (detecting and compensating for subtle background noise, improving accuracy), the resultant EQ levels can be applied to all channels; applied to all except Front L/R; or the levels acquired for the front channels applied to all speakers. It delivers the sound-field cohesion of an acoustically treated room while giving the freedom to choose what EQ sounds best. AccuReflex, meanwhile, calibrates the phase of directional and non-directional sound for seamless object-based audio reproduction.

Class-leading Network Audio Technologies
The TX-RZ3400 has an impressively diverse network audio platform to partner apps and voice assistants on supported smartphones, laptops, desktop computers, and smart speakers. High-speed 802.11ac (2x2 MIMO) 5 GHz/2.4 GHz Wi-Fi®*3 is enabled by the high-speed quad-core SoC. Integrated services comprise TIDAL, Spotify®, Amazon Music, TuneIn, and Deezer*4.

Alexa*5 lets families use their voices to control the TX-RZ3400 by directing requests through an Alexa-enabled device. Just ask an Alexa-enabled device, such as the Amazon Echo, to play, pause, and skip titles or control the volume. Users can enjoy music playback via Amazon Music and make selections by song title, artist name, release year, or genre.

Chromecast built-in can stream any music from smartphone, laptop, or PC to the receiver with ease. Control playback with Chromecast-enabled apps from Android™ phone or tablet, Chromebook, Windows® PC, or iPhone, iPad, or Mac. If the user has a Google Assistant enabled device, it’s easy to find, play, and control music through this and other supported components by voice.

Apple AirPlay 2 is an Apple technology designed to control home audio systems and speakers in any room—with a tap or by just asking Siri—right from iPhone, iPad, HomePod, or Apple TV. Play a song in the living room and kitchen at the same time or adjust the volume in any room, all in sync.

The TX-RZ3400 fits with a Sonos Home Sound System. Just pair it with a Sonos Connect (sold separately). The receiver wakes, changes inputs, and plays at the desired volume on command from the Sonos Controller app*6. DTS Play-Fi® and FlareConnect™*7 round out the multi-room platform.

Audiophile DAC Deployment for Hi-Res Audio
With a premium AKM AK4490 768 kHz/32-bit stereo DAC exclusively for the front channels (two more 384 kHz/32-bit DAC modules handle zone and surround channels) and a carefully designed pre-amp section, the receiver smoothly handles Hi-Res Audio including DSD Direct 256, DSD 64/128/256 (PCM conversion), and diverse PCM formats to 192 kHz/24-bit*8. It’s with these high-quality sources that the patented noise-reduction such as VLSC enhance smooth, rich expression to create an intoxicating stereo listening experience for music lovers.

Roon Tested
Roon is the definitive platform and ecosystem for music, and it transforms your browsing and listening experience. Along with your music, Roon combines artist photos, credits, bios, reviews, lyrics, tour dates, and composers in a surfable, searchable digital magazine about your music collection. Furthermore, Roon seamlessly integrates local personal files with the millions of streaming tracks from TIDAL*4 and Qobuz*4. Also, Roon is a multi-room platform supporting bit-perfect playback, DSD and PCM upsampling, multichannel support, and signal path display. As the TX-RZ3400 is certified under the Roon Tested program, its product icon appears in Signal Path and Zone Selector on Roon apps. Music is easily streamed from a Roon Core (Mac or Windows PC with Roon app installed, or Roon Server device) to the TX-RZ3400.

Enhanced Operability with New Self-Illuminating Backlit Remote
This Onkyo flagship is the first to launch with a beautifully designed simple remote featuring automatic backlighting. This function is invaluable for making in-program adjustments when the lights are down for movies or gaming.

For all its sophistication, the TX-RZ3400 is very simple to operate. A high-definition GUI carries a transparent overlaid OSD for both Main Menu settings and a Quick Menu for in-program adjustments. There are standby modes enabling wake-on-play via network or Bluetooth® wireless technology. The receiver features bi-directional RS-232 serial port and Ethernet for IP control; while assignable 12 V trigger output, IR input, and optional rack-mounting kit enable concealed installation remote from the TV. Details such as quality transparent speaker binding posts, component and composite video inputs, anti-resonant insulators, and HDMI input behind the front flap door show the TX-RZ3400 as an amp ready for anything.

It also equips 11.2 multichannel pre-outs and has a Pre-Amp Mode supporting power-amp integration for those wishing to customize. With connectivity extending to five digital audio inputs (three optical, two coaxial), six analog RCA inputs, MM phono stage, rear powered USB input, and Zone 2 and Zone 3 pre-/line-level outputs, there is no shortage of connections.

The TX-RZ3400 is a big, heavy amp with an aggressive stance and the bare minimum of controls to disrupt the smooth, imposing aluminum front panel. It’s a brilliantly designed and highly dependable receiver that uses technology for thrills, not frills. Its sound, through any quality speaker system, is monumental. And at the time of its release, it’s the best equipped and best-sounding solution for movies in large home-cinema environments with the ability to grow beyond the main room.

Onkyo & Pioneer Corporation

*1 When set to Zone 2, HDMI audio is available via inputs 1–3. SPDIF and HDMI support PCM signals only. Simultaneous playback of multiple audio sources is enabled. Zone 3 supports analog/NET/Bluetooth only.
*2 Signals from any HDMI input can be output to all output terminals simultaneously. Main and Sub can only output the same signal, while Zone 2 also supports simultaneous and independent signal playback from HDMI inputs 1–3.
*3 Some regions have regulations that affect wireless signal strength and the use of Wi-Fi channels.
*4 Availability of services may vary by region and subscriptions may be required.
*5 Enabled with a future firmware update. *
*6 Available free at the App Store and Google Play for iPhone, iPad, and Android devices.
*7 FlareConnect is a proprietary network protocol that shares select audio sources between supported components.
*8 Supported PCM sampling-rates may vary, and DSD playback may not be possible in some network environments.


Due to a policy of continuous product improvement, Onkyo reserves the right to change specifications and appearance without notice. THX and the THX logo are trademarks of THX Ltd., registered in the U.S. and other countries. THX CERTIFIED ULTRA and the THX ULTRA application icon are trademarks of THX Ltd. For DTS patents, see http://patents.dts.com. Manufactured under license from DTS Licensing Limited. DTS, the Symbol, DTS and the Symbol together, DTS:X and the DTS:X logo, DTS Neural:X and the DTS Neural:X logo, and Play-Fi and the Play-Fi logo are registered trademarks or trademarks of DTS, Inc. © DTS, Inc. All Rights Reserved. Manufactured under license from IMAX Corporation. IMAX® is a registered trademark of IMAX Corporation in the United States and/or other countries. All Rights Reserved. Dolby, Dolby Atmos, Dolby Surround, Dolby Vision, and the double-D symbol are trademarks of Dolby Laboratories. The terms HDMI and HDMI High-Definition Multimedia Interface, and the HDMI Logo are trademarks or registered trademarks of HDMI Licensing Administrator, Inc. in the United States and other countries. SONOS is a trademark of SONOS, Inc. The Bluetooth® word mark and logos are owned by the Bluetooth SIG, Inc. Apple, iPhone, iPad, AirPlay, Siri, HomePod, Apple TV and Mac are trademarks of Apple Inc., registered in the U.S. and other countries. App Store is a service mark of Apple Inc. Google, Android, Google Play, Chromebook, Chromecast built-in and other related marks and logos are trademarks of Google LLC. Wi-Fi® is a registered trademark of the Wi-Fi Alliance. The Wi-Fi CERTIFIED Logo is a certification mark of the Wi-Fi Alliance. Roon is a trademark of Roon, LLC registered in the U.S. and other countries. Spotify and the Spotify logo are trademarks of the Spotify Group, registered in the U.S. and other countries. The Product with the Hi-Res Audio logo is conformed to Hi-Res Audio standard defined by Japan Audio Society. The Hi-Res Audio logo is used under license from Japan Audio Society. Amazon, Alexa, Amazon Echo, Amazon Music, and all related logos and motion marks are trademarks of Amazon.com, Inc. or its affiliates. Dynamic Audio Amplification, FlareConnect, Onkyo Controller, Onkyo Music Control App, Music Optimizer, VLSC, and AccuEQ are registered trademarks or trademarks of Onkyo Corporation. All other trademarks and registered trademarks are the property of their respective holders.