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Onkyo TX-RZ70 RZ Series 11.2-Channel THX Certified AV Receiver

OnkyoPart # 252-556
Model: TX-RZ70

The Onkyo TX-RZ70 is a flagship 11.2-channel AV receiver designed to deliver uncompromised cinema-quality sound and advanced 8K video performance paired with elite room correction and calibration features. It combines power, precision, and modern streaming capabilities to elevate both music and movies in high-performance entertainment systems.

Key Features

  • 140 W per channel (11 channels) delivers powerful surround performance for immersive audio
  • Full-bandwidth Dirac Live room correction automatically tailors precise, room-optimized sound
  • HDMI 2.1 with 8K/60 and 4K/120 passthrough, plus Spatial enhancements like VRR, ALLM, and QFT ensure future-ready visuals
  • IMAX Enhanced certification unlocks cleaner images and immersive soundtracks faithful to studio masters
  • THX Certified Select guarantees accurate reference-level audio and offers multiple listening modes for different content types
  • Klipsch Optimize Mode auto-configures optimal crossovers when paired with Klipsch speakers for seamless integration
  • Comprehensive streaming and smart-home support (Sonos, AirPlay 2, Chromecast built-in, etc.) simplifies control and connectivity
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Overview

Onkyo TX-RZ70 RZ Series 11.2-Channel THX Certified AV Receiver

Onkyo TX-RZ70 RZ Series 11.2-Channel THX Certified AV Receiver

11 Channels, 140 Watts

Home theater fans, take note! The Onkyo TX-RZ70 is our most powerful AVR to date, giving you everything you need to create the ultimate entertainment room with discrete zones, multiple subwoofers, and high-performance components that stay cool and responsive.

Studio Grade Processing

Crafted by audiophiles yet designed for everyday users, the Onkyo TX-RZ70 incorporates the latest audio technology such as ESS Sabre DACs, THX® Certification, and eARC support, delivering exceptional home theater performance that exceeds expectations.

8K/4K Ultra HD

Dolby Vision

HDMI 2.

HDCP2.3 and HDR10+

Dirac Live Technologies

You deserve an AVR that fits your lifestyle, not one you need to adjust around. With Dirac Live® Room Correction Full Bandwidth, the Onkyo TX-RZ70 applies machine learning to precisely tune and calibrate audio to your specific speakers and room setup. For bass lovers, Dirac Live Bass Control can be added to optimize low-end performance across unlimited subwoofers.

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IMAX Enhanced Mode

Recreate the IMAX experience at home with the TX-RZ70, delivering movies just as filmmakers intended. Built to IMAX standards, it reduces noise and grain while producing brighter, sharper visuals and immersive sound for a true cinema feel. IMAX Enhanced Mode also expands the aspect ratio, giving you up to 26% more picture on your screen.

THX Certified

In 1993, Onkyo became the first home theater electronics brand to earn THX certification after passing thousands of tests. Regardless of the input, built-in features, or amplifier setup, nothing is added or removed from the original source. The TX-RZ70 also includes four THX listening modes: cinema, gaming, music, and surround EX.

Klipsch Optimize Mode

With Klipsch Optimize Mode, you can seamlessly integrate Klipsch Reference and Reference Premiere speakers with your Onkyo AV receiver. All you need to do is select the specific speaker model assigned to each channel, and the receiver will automatically apply the optimized crossover settings. This ensures that your speakers and receiver are perfectly matched for accurate, high-quality sound performance.

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Advanced Music Streaming & Connectivity

Onkyo's customers demand precision and the newest technology. That’s why the TX-RZ70 comes with a wide range of built-in options for popular streaming apps and smart home assistants.

The Ultimate 4K Gaming Experience

Designed for gamers, 4K/120 delivers ultra-fast motion with sharp, clear UHD images. It’s a major advantage for sports, action films, and high-performance gaming.

Additional Features and Benefits

Ready for DTS Play-Fi
Designed for gamers, 4K/120 delivers ultra-fast motion with sharp, clear UHD images. It’s a major advantage for sports, action films, and high-performance gaming.

Works with Sonos Certified
This Onkyo receiver can integrate into your current Sonos Home Sound System or serve as the foundation of a new one by connecting with a Sonos Port*. As a Works With Sonos Certified AVR, it seamlessly links with the Sonos ecosystem, powering on, switching inputs, and playing at your preferred volume through the Sonos Volume-Pass Through feature in the Sonos app\*. The TX-RZ70 supports up to three Sonos Ports, one for each of three separate zones, each capable of streaming a different service from Sonos Radio.

*Sonos Port required and sold separately.

Multi-Zone Streaming & Voice Control
The Onkyo TX-RZ70 11.4-Channel THX® Certified AV Receiver connects seamlessly with your Smart Home system, supporting Apple AirPlay, Alexa, Google apps, and more. It delivers a powerful, flexible network device capable of streaming your favorite content anywhere in your home with up to 8K60 resolution.** 

*A third-party AI device is required for voice commands - sold separately
**8K60 only valid for Zone 1/Zone 2 will only produce 4K120 resolution when two separate HDMI sources are used

Discrete Zone 2 HDMI Switching
Enjoy separate Ultra High-Definition entertainment in two rooms from your Onkyo receiver. Watch a movie in the home theater while the kids enjoy cartoons in their playroom.

Bi-Directional Bluetooth Technology
This Onkyo AVR supports both sending and receiving audio with Bluetooth wireless technology. Stream from your device to the receiver using SBC or AAC codecs, or send audio from the AVR to compatible wireless headphones with SBC, aptX™, or aptX HD, including 24-bit audio over aptX HD. The latest generation of Bluetooth provides enhanced data transfer for clear, reliable sound so you can enjoy your music exactly as it was recorded.

Comparing the RZ Series


TZ-RZ30
TZ-RZ50
TZ-RZ70
Channels
9.29.29.2
Watts Per Channel
100120140
Dolby Atmos Enabled
✔
✔
✔
Works With Sonos
✔
✔
✔
Ultra HD Multi-Zone
22
2
IMAX Enhanced Mode
✔
✔
✔
Dirac Live
✔
✔
✔
Dirac Live Bass Control
✖
✖
✔
ESS Sabre DAC
✖
✖
✔
Dimensions
(W x H x D)
17.1" x 7" x 15.1"
17.8" x 7.93" x 15.7"
17.1" x 7.9" 18.9"

Specifications

Power and Amplification

  • 140W x 11 (8 ohms) 
  • Class AB Amplifier 
  • 7.2.4 Channels (11 amplified) 

HDMI and Video Inputs 

  • 7 In / 3 Out (eARC) 
  • 8K/4K Ultra HD 
  • Dolby Vision 
  • HDMI2.1 VRR, QFT, ALLM, HDCP2.3, HDR10+ 
  • 1 component, 2 composite 

Audio In/Out 

  • 7 HDMI, 4 RCA, 1 RCA Phono 
  • 2 Opt, 2 Coax 
  • 13 preamp RCA with 2 independent subwoofer 
  • Zone 2 Stereo RCA, Zone 3 Stereo RCA 

Surround Modes

  • Dolby Atmos, Dolby Surround
  • DTS:X, Neural:X 
  • IMAX Enhanced 
  • Auro-3D (optional firmware update June 2023)

Streaming

  • Roon Ready (firmware update in 2023) 
  • Chromecast built-in 
  • AirPlay 2 
  • Spotify 
  • Amazon Music HD 
  • Tidal 
  • Deezer 
  • Pandora 
  • TuneIn

    • Key Features

  • Wi-Fi/Bluetooth® 
  • Dirac Live® Room Correction 
  • Optional Dirac Live® Bass Control 
  • THX® Certified for Theater Reference Sound 
  • Klipsch Optimized Mode

Product Details

BrandOnkyo
ModelTX-RZ70
Part Number252-556
UPC889951003892
Unit of MeasureEach
Weight3

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