Onkyo TX-RZ730 vs Pioneer VSX-531

      Onkyo TX-RZ730

      Pioneer VSX-531
      90
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      67
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      North America Europe
      Australia and Asia
      North America
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      Highlights

      • 9.2 Channels
      • 11.1 Channel Processing
      • 100 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven)
      • THX™Select™ Certified
      • Dolby Atmos, DTS:X
      • HDR10, Dolby Vision
      • 4K/60Hz Passthrough
      • Wi-Fi, Bluetooth, Ethernet
      • Phono Input

      Highlights

      • 5.1 Channels
      • 5.1 Channel Processing
      • 80 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven)
      • HDR10
      • 4K/60Hz Passthrough
      • Bluetooth

      Disclosure: We earn money from the affiliate links to products associated with content in this article.

      Table of Contents
      1. Overview
      2. Pros and Cons
      3. Advantage of Onkyo TX-RZ730
      4. Advantage of Pioneer VSX-531
      5. Common Strengths and Weaknesses
      6. Amplifier
      7. Speaker Configurations
      8. Immersive Audio Formats
      9. HDMI
      10. Inputs and Outputs
      11. Evaluations
      12. Specifications

      1. Overview

      Here we are comparing Onkyo TX-RZ730 to Pioneer VSX-531 to reveal their common strengths and weaknesses as well as the differences between them which will help you in making a correct decision before the purchase. The Onkyo TX-RZ730 has 9 channel and the Pioneer VSX-531 has 5 channel amplifiers.


      Onkyo TX-RZ730 Pioneer VSX-531

      Onkyo TX-RZ730 was introduced in 2018. It is equipped with 9 channel amplifier with 100 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven) power per channel and is capable of 11.1 maximum channel processing. It supports Dolby Atmos and DTS:X, passes 4K/60Hz video signal.

      Pioneer VSX-531 was introduced in 2016. It is equipped with 5 channel amplifier with 80 W (8 Ω, 20 Hz - 20 kHz and 2 channel driven) power per channel and is capable of 5.1 maximum channel processing. It , passes 4K/60Hz video signal.

      We evaluated Onkyo TX-RZ730 and Pioneer VSX-531 and gave them scores of 90 and 67 out of 100 recpectively. Our ranking system is based on the amplifier specifications, audio and video features, connectivity, multizone capabilities, radio and many other details.

      Onkyo TX-RZ730

      Pioneer VSX-531

      Amplifier
      91
      Amplifier
      68
      Audio Features
      88
      Audio Features
      62
      Video Features
      94
      Video Features
      80
      Connectivity
      88
      Connectivity
      63
      Zones
      91
      Zones
      55
      Radio
      90
      Radio
      59
      OVERALL
      90
      OVERALL
      67

      For more details about the ranking please go to    Evaluations section.

      2. Pros and Cons

      In this section we present pros and cons of Onkyo TX-RZ730 and Pioneer VSX-531.

      PROS

      Onkyo TX-RZ730

      Pioneer VSX-531

      •   THX™ Certification
      •   11.1 Channel Processing
      •   Dolby Atmos
      •   DTS:X
      •   DSD via HDMI
      •   Auto Speaker Calibration System with Mic.
      •   HDR10
      •   Dolby Vision
      •   New HDCP Version
      •   Analog To HDMI Upconversion
      •   Wi-Fi
      •   Bluetooth
      •   Chromecast Built-In
      •   7 HDMI Inputs
      •   USB Input
      •   Many RCA Line Inputs
      •   Phono Input
      •   RCA Pre-Outs
      •   Composite Video Inputs
      •   Component Video Inputs
      •   Ethernet
      •   3 Zones
      •   Analog Tuner
      •   Spotify
      •   Tidal
      •   DSD via HDMI
      •   HDR10
      •   New HDCP Version
      •   Bluetooth
      •   USB Input
      •   Composite Video Inputs
      •   Analog Tuner

      CONS

      Onkyo TX-RZ730

      Pioneer VSX-531

      •   No Front Wide Channel Support
      •   No Dolby Atmos Height Virtualization
      •   No IMAX Enhanced
      •   No Auro 3D with Auro-Matic Upmixer
      •   No HDR10+
      •   No eARC
      •   No 8K Passthrough
      •   Does not Work with Amazon Alexa
      •   0 8K Input
      •   No Digital Radio
      •   No Pandora
      •   Few Channels - 5.1
      •   Low Power Output - 80 W
      •   5.1 Channel Processing
      •   No Dolby Atmos
      •   No Dolby Atmos Height Virtualization
      •   No DTS:X
      •   No IMAX Enhanced
      •   No Auro 3D with Auro-Matic Upmixer
      •   No Auto Speaker Calibration System with Mic.
      •   No HDR10+
      •   No Dolby Vision
      •   No eARC
      •   No 8K Passthrough
      •   No Wi-Fi
      •   Does not Work with Amazon Alexa
      •   4 HDMI Inputs
      •   1 HDMI Outputs
      •   0 8K Input
      •   Few RCA Line Inputs
      •   No Phono Input
      •   No RCA Pre-Outs
      •   No Ethernet
      •   No Zones
      •   No Digital Radio
      •   No Pandora
      •   No Spotify
      •   No Tidal
      •   Bluetooth 3.0


      And here are some specifications which fall into average criteria and are neither in PROs nor in CONs category:

      AVERAGE

      Onkyo TX-RZ730

      Pioneer VSX-531

      •   9.2 Channels
      •   Power Output - 100 W
      •   3 HDMI Outputs
      •   Bluetooth 4․1 + LE

      3. Advantage of Onkyo TX-RZ730

      This section shows those features and specifications which are the reason to choose Onkyo TX-RZ730 over Pioneer VSX-531.

      Check the Price

      Onkyo TX-RZ730
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      Onkyo TX-RZ730 vs Pioneer VSX-531
      More Channels 9.2 vs 5.1
      Higher Power Output 100 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven) vs 80 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven)
      THX™ Certification Select™ (previously known as Select2) vs
      Certified 4 Ω Performance vs
      Bi-amp capability vs
      Higher DAC Specs 384 kHz/32 Bit vs 192 kHz/24 Bit
      More Channel Processing 11.1 vs 5.1
      Dolby Atmos vs
      Dolby Surround Upmixer vs
      DTS:X vs
      DTS Neural:X vs
      DTS Express vs
      DTS-ES vs
      Music Playback via USB FLAC, WAV, Apple Lossless, WMA, MP3, DSD, AIFF, AAC, Dolby TrueHD vs MP3, WMA, AAC
      Higher Resolution Music Playback via USB up to 192 kHz vs
      DSD via HDMI 2-ch/Multi-ch Input vs 2-ch Input
      DSD via USB 2-ch Input vs
      Jitter Reduction PLL (Phase Locked Loop) Jitter-Cleaning Circuit Technology for S/PDIF Audio vs
      More Tone Control Channels All Channels vs Front L/R Channels
      Virtual Speakers T-D (Theater-Dimensional) vs
      More Advanced Auto Speaker Calibration System AccuEQ Advance with AccuReflex™ vs
      BT.2020 color space vs
      Dolby Vision vs
      HLG vs
      Analog To HDMI Upconversion Component**, Composite vs
      Wi-Fi vs
      Chromecast Built-In vs
      Works with SONOS requires firmware update & Sonos Connect vs
      DTS Play-Fi via Onkyo Music Control app vs
      AirPlay AirPlay 2 after firmware update vs
      Remote Controll App Onkyo Onkyo Controller and Music Control apps vs
      More HDMI Inputs 7 (1 front) vs 4
      More HDMI Outputs 2 (1 Main, 1 Sub/Zone2) vs 1
      More Optical Inputs 2 vs 1
      More RCA Line Inputs 6 vs 3 (1 front)
      Phono Input vs
      More RCA Pre-Outs 11.2 vs 0.1
      More Component Video Inputs 2 vs
      Ethernet vs
      Front A/V Inputs HDMI, Mini-Jack vs USB, Mini-Jack
      Detachable Power Cord vs
      More Zones 3 vs 1
      RS-232C Interface vs
      +12V Trigger Output 1 (MAIN, 100 mA) vs
      Remote (IR) Input/Output 1 / 0 vs 0 / 0
      Analog Tuner FM/AM with RDS vs FM/AM
      More Presets 40 vs 30
      Internet Radio TuneIn vs
      Spotify vs
      Tidal vs
      Deezer vs
      More Speaker Terminals 11 vs 5
      More Large Speaker Terminals 11 vs 2
      Bigger Power Supply 760 W vs 210 W
      Newer Bluetooth Version 4․1 + LE vs 3.0
      Wider AM Frequency Range 522/530 kHz - 1611/1710 kHz vs 530 kHz - 1700 kHz
      Longer Warranty 3 Years vs 1 Year Parts & Labor

      4. Advantage of Pioneer VSX-531

      This section shows those features and specifications which are the reason to choose Pioneer VSX-531 over Onkyo TX-RZ730.

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      Pioneer VSX-531
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      Onkyo TX-RZ730 vs Pioneer VSX-531
      Dolby Pro Logic vs PLII
      DTS Neo vs Neo:6
      More Composite Video Outputs vs 1

      5. Common Strengths and Weaknesses

      We already listed pros and cons of each model. However, you may also find useful to look at their common strengths and weaknesses shown side-by-side.

      STRENGTHS Onkyo TX-RZ730 Pioneer VSX-531
        DSD via HDMI 2-ch/Multi-ch Input 2-ch Input
        HDR10
        New HDCP Version2.22.2
        Bluetooth SBC, AAC SBC, AAC
        USB Input1 (Rear)1 Front
        Composite Video Inputs22
        Analog Tuner FM/AM with RDS FM/AM
      WEAKNESSES Onkyo TX-RZ730 Pioneer VSX-531
        No Dolby Atmos Height Virtualization
        No IMAX Enhanced
        No Auro 3D with Auro-Matic Upmixer
        No HDR10+
        No eARC
        No 8K Passthroughup to 4K/60p (RGB/YCbCr4:4:4)up to 4K/60p (4:4:4)
        Does not Work with Amazon Alexa
        Few 8K Inputs
        No Digital Radio
        No Pandora

      6. Amplifier

      Onkyo TX-RZ730 Pioneer VSX-531

      9 channel Amplifier: Onkyo TX-RZ730 features 9 channel power amplifier. It is rated at 100 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven) and is able to drive 4 ohm speakers.

      5 channel Discrete Direct Energy Amplifier: Pioneer VSX-531 features 5 channel power amplifier with Discrete Direct Energy design. It is rated at 80 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven).
      • Dynamic Audio Amplification: Onkyo TX-RZ730 features Dynamic Audio Amplification which is Onkyo’s amplification philosophy that focuses on capturing the energy and dynamism contained in the audio signal and reproducing it without loss. Audio signals are not static like a test tone, but rather a countless collection of constantly moving waves. While static measurements such as S/N ratio and Total Harmonic Distortion are important, Onkyo believes that excellent dynamic and transient response is the key to emotionally involving sound. Dynamism - the “life” in music - is achieved when the amp can respond to changes in the signal instantaneously, so notes start and stop naturally and the nuances in attack, decay, sustain, and release are voiced with conviction. Onkyo home theater receivers represent the culmination of almost 70 years’ experience in amplifier design. The unique elements of their amplification system comprise high-current, low-impedance architecture to accurately control large speaker cones while enabling instantaneous response to dynamic changes, and discrete wide-range amplifier circuit topology to eliminate phase shift for clear and accurate audio imaging.

      THX™ Select™ (previously known as Select2) certification

      Onkyo TX-RZ730 is THX™ Select™ (previously known as Select2) certified. This means that it is for medium sized rooms, up to 2,000 cubic feet in size, with a 10-12 foot viewing distance from the screen.

      AMPLIFIER Onkyo TX-RZ730 Pioneer VSX-531
      Channels9.25.1
      Power Output100 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven)80 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven)
      THX™ Certification Select™ (previously known as Select2)
      Continuous 6 Ω Rated
      Certified 4 Ω Performance
      Bi-amp Capability

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      Onkyo TX-RZ730
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      7. Speaker Configurations

      Onkyo TX-RZ730's and Pioneer VSX-531's amplifiers can be assigned for different speaker configurations.

      • Dolby Atmos Configurations: The following speaker configurations are supported for Dolby Atmos:
      • Onkyo TX-RZ730: 5.2.2, 5.2.4, 7.2.2 with internal amplifier and 7.2.4 with addition of external 2 channel amplifier.
      • Pioneer VSX-531: Not supported.
      • DTS:X Configurations: The following speaker configurations are supported for DTS:X:
      • Onkyo TX-RZ730: The speaker configurations for DTS:X are the same as for Dolby Atmos - 5.2.2, 5.2.4, 7.2.2 with internal amplifier and 7.2.4 with addition of external 2 channel amplifier.
      • Pioneer VSX-531: Not supported.
      • Configurations without height channels: There are also other speaker configurations available which do not include height channels:
      • Onkyo TX-RZ730: 5.2, 7.2 with internal amplifier.
      • Pioneer VSX-531: 5.1 with internal amplifier.
      • Bi-Amp: Onkyo TX-RZ730 is able to bi-amp up to 2 main channels simultaneously. During bi-amplification two amplifiers are used for one speaker. One amplifier powers the midrange and tweeter section of the speaker and another amplifier powers the low frequency woofers. Each amplifier is less loaded and performs better. In order to use this feature speakers must have 2 pairs of connectors.

      8. Immersive Audio Formats

      Dolby Atmos

      Onkyo TX-RZ730 supports Dolby Atmos.

      • Dolby Surround Upmixer: Onkyo TX-RZ730 supports Dolby Surround Upmixer. If the content is not mixed in Dolby Atmos then the Dolby surround upmixer will expand the audio to all channels including ceiling speakers. The upmixer has replaced the Dolby Pro Logic II family with improved upmixing algorithms.

      DTS:X

      Onkyo TX-RZ730 supports DTS:X.

      • DTS Neural:X: Onkyo TX-RZ730 supports DTS Neural:X which is an advanced upmixer that can take non DTS:X content and upmix it to the DTS:X speaker layout. It has replaced the DTS Neo family with improved flexibility.
      • DTS Dialog Control: Onkyo TX-RZ730 supports DTS Dialog Control. This function adjusts the dialog levels during playback of the DTS:X stream. It allows you to separately increase the dialog levels in contrast with the background sound and hear dialog easily even under noisy circumstances.
      AUDIO DECODING Onkyo TX-RZ730 Pioneer VSX-531
      Dolby Atmos
      Dolby Atmos Height Virtualization
      Dolby Atmos Music
      Dolby TrueHD
      Dolby Digital Plus
      Dolby Surround Upmixer
      Dolby Pro Logic PLII
      Dolby Digital EX
      DTS:X
      DTS Neural:X
      DTS Virtual:X
      DTS Neo Neo:6
      DTS-HD Master Audio
      DTS-HD High Resolution Audio
      DTS 96/24
      DTS Express
      DTS-ES
      IMAX Enhanced
      Auro 3D with Auro-Matic Upmixer

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      Pioneer VSX-531
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      9. HDMI

      Onkyo TX-RZ730 comes with 7 HDMI inputs. It has 2 outputs - 1 Main and 1 Sub/Zone2.

      Pioneer VSX-531 comes with 4 HDMI inputs. It has 1 output.

      • 4K/60Hz Passthrough: On both receivers all inputs pass up to 4K/60p (RGB/YCbCr4:4:4) video signal.
      • Analog To HDMI Upconversion: Onkyo TX-RZ730 supports analog to HDMI Upconversion, so you can input your analog video sources and output them digitally via HDMI. This means that you will need only one HDMI cable to connect to your TV.
      • BT.2020 Color Space: BT.2020 or Rec. 2020 is a color standard which delivers a wider color gamut compared to Rec. 709. It covers approximately 75% of the total visual spectrum while the Rec. 709 covers only 35% (available on Onkyo TX-RZ730 only).
      • HDCP 2.2 Copy Protection: Both receivers are HDCP 2.2 compliant which is a requirement for 4K/HDR copy-protected content transmission.
      • 3D Ready: Both receivers are able to pass 3D video through HDMI.

      HDR (High Dynamic Range)

      Onkyo TX-RZ730 supports HDR10, Dolby Vision and Hybrid Log-Gamma.

      Pioneer VSX-531 supports HDR10 High dynamic range video has greater dynamic range than standard dynamic range (SDR) video with brighter whites and deeper blacks. The result is greater contrast and more details in dark and bright areas, better color and depth.



      VIDEO FEATURES Onkyo TX-RZ730 Pioneer VSX-531
      HDR10
      HDR10+
      Dynamic HDR
      BT.2020 color space
      Dolby Vision
      HLG (Hybrid Log Gamma)
      HDBaseT Compatible
      Enhanced Audio Return Channel (eARC)
      HDCP Version2.22.2
      QMS (Quick Media Switching)
      ALLM (Auto Low Latency Mode)
      VRR (Variable Refresh Rate)
      QFT (Quick Frame transport)
      3-D Ready
      Video Signal Passthroughup to 4K/60p (RGB/YCbCr4:4:4)up to 4K/60p (4:4:4)
      Video Signal Upscaling

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      Onkyo TX-RZ730
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      10. Inputs and Outputs

      Audio

      • Phono Input: There is an MM phono input on Onkyo TX-RZ730 with built-in phono stage for connecting the moving magnet cartridge output of the turntable directly to the receiver.
      • Analog Pre-Outs: Onkyo TX-RZ730 has 11.2 preamplifier outputs which allows you to connect the receiver to the external power amplifier. You may want to use a high quality external amplifier for certain channels, usually for front L/R and center, and use the receiver to power the rest. Also, Onkyo TX-RZ730 has 11 channel processing but has only 9 channel amplifier, so it needs external amplifier connected to the analog pre-outs in order to reach its maximum speaker configuration.
      • Analog Line Inputs: There are 6 pair of line inputs on Onkyo TX-RZ730 and 3 pair of line inputs on Pioneer VSX-531 for connecting sources with analog outputs.
      • Digital Inputs: 2 optical inputs and 1 coaxial input are available on Onkyo TX-RZ730 and 1 optical input and 1 coaxial input are available on Pioneer VSX-531 for digital audio connections.
      • Headphone Output: There is a 6.3 mm (1/4") headphone output jack on the front panel of each receiver.

      Video

      • HDMI:
      • Onkyo TX-RZ730
        Inputs:         7 (1 front)   Outputs: 2 (1 Main, 1 Sub/Zone2)
        8K Inputs: 0.
      • Pioneer VSX-531
        Inputs:         4   Outputs: 1
        8K Inputs: 0.
      • Composite Video: Connect you VCR, Laserdisc player and other old video equipment with composite video cables.
      • Onkyo TX-RZ730
        Inputs:         2   Outputs: 0.
      • Pioneer VSX-531
        Inputs:         2   Outputs: 1.
      • Component Video: Component video connection gives you the higher quality video compared to the composite video connection. So in case your old DVD player and other equipment do not have an HDMI output but have Component video output use this connection over the composite one.
      • Onkyo TX-RZ730 supports up to 480i/576i resolution on Component video connectors. resolution on Component video connectors.
      • Onkyo TX-RZ730
        Inputs:         2   Outputs: 0.
      • Pioneer VSX-531
        Inputs:         0   Outputs: 0.

      Front A/V Inputs

      • Onkyo TX-RZ730: HDMI, Mini-Jack
      • Pioneer VSX-531: USB, Mini-Jack

      Onkyo TX-RZ730

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      Pioneer VSX-531

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      TERMINALS Onkyo TX-RZ730 Pioneer VSX-531
      HDMI Inputs7 (1 front)4
      HDMI Outputs2 (1 Main, 1 Sub/Zone2)1
      8K Inputs
      USB Input1 (Rear)1 Front
      USB DC Out Port
      Optical Inputs21
      Optical Outputs
      Coaxial Inputs11
      RCA Line Inputs63 (1 front)
      RCA Line Outputs
      XLR Line Inputs
      Phono Input
      Multi-Channel Input
      RCA Pre-Outs11.20.1
      XLR Pre-outs
      Composite Video Inputs22
      Composite Video Outputs1
      S-Video Inputs
      S-Video Outputs
      Component Video Inputs2
      Component Video Outputs

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      Pioneer VSX-531
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      11. Evaluations

      We evaluated Onkyo TX-RZ730 and Pioneer VSX-531 and gave them scores of 90 and 67 out of 100 recpectively. We also gave separate scores for 7 different categories according to the available features and specifications some of which are listed below. These evaluations are relative and may change each time a new receiver is added to the database.


      Onkyo TX-RZ730

      Pioneer VSX-531

      OVERALL
      90
      OVERALL
      67

      Amplifier

      EXCELLENT
      91
      •   9.2 Channels
      •   Power Output - 100 W
      •   THX™ Certification
      AVERAGE
      68
      •   Few Channels - 5.1
      •   Low Power Output - 80 W

      Audio Features

      EXCELLENT
      88
      •   9.2 Channels
      •   No Front Wide Channel Support
      •   11.1 Channel Processing
      •   Dolby Atmos
      •   No Dolby Atmos Height Virtualization
      •   DTS:X
      •   No IMAX Enhanced
      •   No Auro 3D with Auro-Matic Upmixer
      •   DSD via HDMI
      AVERAGE
      62
      •   Few Channels - 5.1
      •   5.1 Channel Processing
      •   No Dolby Atmos
      •   No Dolby Atmos Height Virtualization
      •   No DTS:X
      •   No IMAX Enhanced
      •   No Auro 3D with Auro-Matic Upmixer
      •   DSD via HDMI

      Video Features

      EXCELLENT
      94
      •   HDR10
      •   No HDR10+
      •   Dolby Vision
      •   No 8K Passthrough
      •   Analog To HDMI Upconversion
      GOOD
      80
      •   HDR10
      •   No HDR10+
      •   No Dolby Vision
      •   No 8K Passthrough

      Connectivity

      EXCELLENT
      88
      •   No eARC
      •   New HDCP Version
      •   Wi-Fi
      •   Bluetooth
      •   Does not Work with Amazon Alexa
      •   Chromecast Built-In
      •   7 HDMI Inputs
      •   3 HDMI Outputs
      •   0 8K Input
      •   USB Input
      •   Many RCA Line Inputs
      •   Phono Input
      •   RCA Pre-Outs
      •   Composite Video Inputs
      •   Component Video Inputs
      •   Ethernet
      •   Bluetooth 4․1 + LE
      AVERAGE
      63
      •   No eARC
      •   New HDCP Version
      •   No Wi-Fi
      •   Bluetooth
      •   Does not Work with Amazon Alexa
      •   4 HDMI Inputs
      •   1 HDMI Outputs
      •   0 8K Input
      •   USB Input
      •   Few RCA Line Inputs
      •   No Phono Input
      •   No RCA Pre-Outs
      •   Composite Video Inputs
      •   No Ethernet
      •   Bluetooth 3.0

      Zones

      EXCELLENT
      91
      •   3 Zones
      AVERAGE
      55
      •   No Zones

      Radio

      EXCELLENT
      90
      •   Analog Tuner
      •   No Pandora
      •   Spotify
      •   Tidal
      AVERAGE
      59
      •   Analog Tuner
      •   No Pandora
      •   No Spotify
      •   No Tidal

      12. Specifications

      GENERAL Onkyo TX-RZ730 Pioneer VSX-531
      BrandOnkyoPioneer
      ModelTX-RZ730VSX-531
      TypeA/V ReceiverA/V Receiver
      CountryAustralia and AsiaNorth America
      Release Year20182016
      PredecessorOnkyo TX-RZ720 Pioneer VSX-530-K
      SuccessorOnkyo TX-RZ740 Pioneer VSX-532
      AMPLIFIER Onkyo TX-RZ730 Pioneer VSX-531
      Channels9.25.1
      Power Output100 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven)80 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven)
      Front Wide Channel Support
      Amplifier DesignDiscrete Direct Energy
      Dynamic Audio Amplification
      Non-Phase Shift Amplifier
      VLSC (Vector Linear Shaping Circuitry) Front L/R Channels
      THX™ Certification Select™ (previously known as Select2)
      Continuous 6 Ω Rated
      Certified 4 Ω Performance
      Discrete Output Stage Circuitry
      Independent Block Construction (Amp/Preprocessor)
      Bi-amp Capability
      BTL (Bridged Transless or Bridging)
      AUDIO FEATURES Onkyo TX-RZ730 Pioneer VSX-531
      Digital Signal Processing (DSP) Engine32-bit Digital Signal Processing EnginesTexas Instruments Aureus
      DACAKM AK4458
      DAC Specs384 kHz/32 Bit192 kHz/24 Bit
      Maximum Channel Processing11.15.1
      Air Studios Monitor Certification
      Dolby Atmos
      Dolby Atmos Height Virtualization
      Dolby Atmos Music
      Dolby TrueHD
      Dolby Digital Plus
      Dolby Surround Upmixer
      Dolby Pro Logic PLII
      Dolby Digital EX
      THX Listening Modes
      Surround EX
      DTS:X
      DTS Neural:X
      DTS Virtual:X
      DTS Neo Neo:6
      DTS-HD Master Audio
      DTS-HD High Resolution Audio
      DTS 96/24
      DTS Express
      DTS-ES
      IMAX Enhanced
      Auro 3D with Auro-Matic Upmixer
      PCM 2-ch/Multi-ch Input 2-ch/Multi-ch Input
      Network Audio FormatsFLAC, WAV, Apple Lossless, WMA, MP3, DSD, AIFF, MPEG-4 AAC, LPCM
      Music Playback via USBFLAC, WAV, Apple Lossless, WMA, MP3, DSD, AIFF, AAC, Dolby TrueHDMP3, WMA, AAC
      High Resolution Music Playback via USB and/or Network up to 192 kHz
      High Resolution Audio Formats via USBFLAC, WAV, Apple Lossless, DSD, AIFF, AAC, Dolby TrueHD
      Gapless Playback
      DSD via HDMI 2-ch/Multi-ch Input 2-ch Input
      DSD via USB 2-ch Input
      DSD to PCM Converter
      USB DAC
      Jitter Reduction PLL (Phase Locked Loop) Jitter-Cleaning Circuit Technology for S/PDIF Audio
      Auto Level Control
      DTS Dialogue Control
      Dialog Enhancement
      Dialog normalization
      Dialogue Lift
      Sound Retriever Advanced (2-Channel)
      Sound Retriever AIR
      Digital noise Reduction
      Tone Control All Channels Front L/R Channels
      Compressed Music Enhancer Advanced Music Optimizer (bluetooth included) Advanced Sound Retriever
      High-resolution Music Enhancer
      THX Processing Mode
      Audyssey Dynamic EQ
      Audyssey Dynamic Volume
      Audyssey LFC
      Audyssey Sub EQ HT
      Audyssey DSX
      Direct Mode
      Pure Audio Mode
      Pure Direct Analog Path Mode
      Pure Direct Mode
      Auto Surround
      Optimum Surround
      Advanced Surround10 + 1
      Wide Surround
      Front Stage Surround Advance
      Headphone Surround
      Virtual Speakers T-D (Theater-Dimensional)
      Virtual Depth
      Independent Subwoofer Outputs
      CALIBRATION Onkyo TX-RZ730 Pioneer VSX-531
      Auto Speaker Calibration System with Mic. AccuEQ Advance with AccuReflex™
      Manual MCACC
      Phase Control
      Auto Phase Control Plus
      Full Band Phase Control
      Standing Wave Control
      EQ Bands
      Symmetric EQ
      X-Curve
      Distance Adjustment0.1 feet
      Precision Distance
      Polarity Check
      Auto Subwoofer Crossover
      VIDEO FEATURES Onkyo TX-RZ730 Pioneer VSX-531
      HDR10
      HDR10+
      Dynamic HDR
      BT.2020 color space
      Dolby Vision
      HLG (Hybrid Log Gamma)
      HDBaseT Compatible
      Enhanced Audio Return Channel (eARC)
      HDCP Version2.22.2
      QMS (Quick Media Switching)
      ALLM (Auto Low Latency Mode)
      VRR (Variable Refresh Rate)
      QFT (Quick Frame transport)
      3-D Ready
      Video Signal Passthroughup to 4K/60p (RGB/YCbCr4:4:4)up to 4K/60p (4:4:4)
      Video Signal Upscaling
      Analog To HDMI Upconversion Component**, Composite
      Component Video Upscaling
      Analog to Analog Video conversion
      Component Video Maximum Resolution480i/576i
      Stream Smoother
      Pure Cinema
      Video Parameter Adjustments
      Triple HD noise Reduction
      Super Resolution
      isf Certified Calibration Control
      CONNECTIVITY Onkyo TX-RZ730 Pioneer VSX-531
      Wi-Fi
      Bluetooth SBC, AAC SBC, AAC
      Works with Amazon Alexa
      Chromecast Built-In
      Works with SonoS requires firmware update & Sonos Connect
      DTS Play-Fi via Onkyo Music Control app
      MHL Input
      DLNA 1.5
      AirPlay AirPlay 2 after firmware update
      Apple Product Connection iPod, iPhone and iPad
      Remote AppOnkyo Onkyo Controller and Music Control apps
      InstaPrevue Input Source Prevue
      TERMINALS Onkyo TX-RZ730 Pioneer VSX-531
      HDMI Inputs7 (1 front)4
      HDMI Outputs2 (1 Main, 1 Sub/Zone2)1
      8K Inputs
      USB Input1 (Rear)1 Front
      USB DC Out Port
      Optical Inputs21
      Optical Outputs
      Coaxial Inputs11
      RCA Line Inputs63 (1 front)
      RCA Line Outputs
      XLR Line Inputs
      Phono Input
      Multi-Channel Input
      RCA Pre-Outs11.20.1
      XLR Pre-outs
      Composite Video Inputs22
      Composite Video Outputs1
      S-Video Inputs
      S-Video Outputs
      Component Video Inputs2
      Component Video Outputs
      Ethernet
      Ethernet Switch
      PC In
      Front A/V InputsHDMI, Mini-JackUSB, Mini-Jack
      Speaker A/B
      Headphone Out6.3 mm (1/4")6.3 mm (1/4")
      Detachable Power Cord
      uport
      adapterport
      ZONES Onkyo TX-RZ730 Pioneer VSX-531
      Number of Zones31
      Powered Zones 2 and 3
      Zone 2 OutsHDMI, RCA Pre/Line Out
      Zone 3 OutsRCA Pre/Line Out
      Whole House Mode
      RS-232C Interface
      +12V Trigger Output1 (MAIN, 100 mA)
      Remote (IR) Input/Output1 / 00 / 0
      MISCELLANEOUS Onkyo TX-RZ730 Pioneer VSX-531
      On-Screen Display Graphical User Interface with Overlaid On-Screen Display (OSD) via HDMI HDMI only
      AV Navigator
      IP Control
      PreAmp Mode
      Versatile Speaker Configuration
      FL Dimmer
      Function Rename
      ONKYO-RI System Control
      RIHD (Remote Interactive Over HDMI)
      Smart Grid-Ready
      RADIO Onkyo TX-RZ730 Pioneer VSX-531
      Analog Tuner FM/AM with RDS FM/AM
      Presets4030
      Digital Radio
      Internet Radio TuneIn
      Pandora
      Spotify
      Tidal
      Deezer
      Napster
      SiriusXM
      CONSTRUCTION Onkyo TX-RZ730 Pioneer VSX-531
      Front PanelBrushed
      Solid Aluminum Front
      Speaker Terminals115
      Large Speaker Terminals112
      Color-Coded Speaker Terminals
      Transparent High-Grade Speaker Terminals
      3D Space Frame Construction
      Gold plated RCA terminals
      POWER Onkyo TX-RZ730 Pioneer VSX-531
      Power SupplyAC 220-240 V, 50/60 HzAC 120 V, 60 Hz
      H.C.P.S. (High Current Power Supply) Customized Transformer
      Toroidal Transformer
      Low Leakage Flux Power Transformer
      Transformer Stabilizer
      Power Consumption760 W210 W
      Standby Power0.15 W0.45 W
      ECO Mode / Hybrid Standby Function
      Auto Power off
      PHYSICAL Onkyo TX-RZ730 Pioneer VSX-531
      Dimensions (W x H x D)435 mm x 177 mm x 379.5 mm
      17-1/8" x 6-15/16" x 14-15/16"      		435 mm x 168 mm x 320.5 mm
      17-1/8" x 6-5/8" x 12-5/8"
      Weight10.8 kg (23.8 lbs)8.0 kg (17 lb 10 oz)
      SPECIFICATIONS Onkyo TX-RZ730 Pioneer VSX-531
      Power Output (8 Ω, 20 Hz - 20 kHz, 2 channel driven, FTC)80 W (0.08% THD)
      Power Output (6 Ω, 1 kHz, 1 channel driven, FTC)140 W (1% THD)
      Maximum Effective Power Output (6 Ω, 1 kHz, 1 channel driven, JEITA or IEC)185 W (10% THD)
      Rated Power Output (6 Ω, 1 kHz, 1 channel driven, IEC)175 W (1% THD)
      Dynamic Power per Channel (3 Ω, Front)250 W
      Dynamic Power per Channel (4 Ω, Front)220 W
      Dynamic Power per Channel (8 Ω, Front)130 W
      THD0.08% (20 Hz - 20 kHz, Half power)
      Input Sensitivity and Impedance (Line)200 mV/47 kΩ
      Input Sensitivity and Impedance (Phono MM)3.5 mV/47 kΩ
      Rated Preout Level and Impedance1 V/470 Ω
      Rated Headphone Power Output85 mW (32 Ω, 1 kHz, 10% THD)
      Phono Overload70 mV (MM, 1 kHz 0.5%)
      S/N Ratio (Line, IHF-A)106 dB
      S/N Ratio (Phono MM, IHF-A)80 dB
      Frequency Response (Analog In)5 Hz - 100 kHz/+1 dB, -3 dB (Direct/Pure Audio)
      DSD Sampling Rates via HDMI2.8 MHz2.8 MHz
      DSD Sampling Rates via USB2.8 MHz, 5.6 MHz
      Video Input Sensitivity/Output Level and Impedance 1 Vp-p/75 Ω (Component Y)
      0.7 Vp-p/75 Ω (Component PB/CB, PR/CR)
      1 Vp-p/75 Ω (Composite)      		1 Vp-p/75 Ω (Composite)
      Ethernet Standard10BASE-T/100BASE-TX
      Wi-Fi StandardIEEE 802.11 a/b/g/n
      Wi-Fi Terminal Frequency5 GHz, 2.4 GHz
      Bluetooth Version4․1 + LE3.0
      Bluetooth Frequency2.4 GHz2.4 GHz
      HDMI TerminalType A (19-pin)
      HDMI Output Type5 V, 55 mA
      USB TerminalVer. 2.0, 5 V, 1 AUSB2.0 (Type A) 5 V, 0.5 A
      FM Frequency87.5 MHz - 108.0 MHz87.5 MHz - 108 MHz
      FM 50 dB Quiet Sensitivity (IHF, 1 kHz, 100% MOD.)Mono: 1.56 µV (15.0 dBf)
      AM Frequency522/530 kHz - 1611/1710 kHz530 kHz - 1700 kHz
      Warranty3 Years1 Year Parts & Labor

      * - 480i/576i and 480p/576p only
      ** - 480i/576i only
      *** - no 1080p/24 upconversion
      **** - 1080p signal is not converted

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