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    GENERAL Onkyo TX-RZ740 Onkyo TX-RZ730 Onkyo TX-RZ720 Onkyo TX-RZ710
    Brand Onkyo Onkyo Onkyo Onkyo
    Model TX-RZ740 TX-RZ730 TX-RZ720 TX-RZ710
    Type A/V Receiver A/V Receiver A/V Receiver A/V Receiver
    Country North America North America North America North America
    Release Year 2019 2018 2017 2016
    Predecessor Onkyo TX-RZ730 Onkyo TX-RZ720 Onkyo TX-RZ710 -
    Successor - Onkyo TX-RZ740 Onkyo TX-RZ730 Onkyo TX-RZ720
    AMPLIFIER Onkyo TX-RZ740 Onkyo TX-RZ730 Onkyo TX-RZ720 Onkyo TX-RZ710
    Channels 9.2 9.2 7.2 7.2
    Power Output 100 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven) 100 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven) 110 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven) 130 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven)
    Front Wide Channel Support
    Dynamic Audio Amplification
    Non-Phase Shift Amplifier
    VLSC (Vector Linear Shaping Circuitry) Front L/R Channels Front L/R Channels Front L/R channels Front L/R channels
    Optimum Gain Volume Circuitry - -
    THX™ Certification Select™ (previously known as Select2) Select™ (previously known as Select2) Select™ (previously known as Select2) Select™2 Plus
    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-RZ740 Onkyo TX-RZ730 Onkyo TX-RZ720 Onkyo TX-RZ710
    Digital Signal Processing (DSP) Engine 32-bit Digital Signal Processing Engines 32-bit Digital Signal Processing Engines 32-bit Digital Signal Processing Engines 32-bit Digital Signal Processing Engines
    DAC AKM AK4458 AKM AK4458 AKM AK4458 AKM AK4458 (8 Channels x 1)
    DAC Specs 384 kHz/32 Bit 384 kHz/32 Bit 384 kHz/32 Bit 384 kHz/32 Bit
    Maximum Channel Processing 11.2 11.1 7.1 7.1
    Air Studios Monitor Certification
    Dolby Atmos up to 5.1.2
    Dolby Atmos Height Virtualization
    Dolby Atmos Music
    Dolby TrueHD
    Dolby Digital Plus
    Dolby Surround Upmixer
    Dolby Pro Logic
    Dolby Digital EX
    THX Listening Modes
    DTS:X up to 5.1.2
    DTS Neural:X
    DTS Virtual:X
    DTS Neo
    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 2-ch/Multi-ch Input 2-ch/Multi-ch Input
    Network Audio Formats FLAC, WAV, Apple Lossless, WMA, MP3, DSD, AIFF, MPEG-4 AAC, LPCM FLAC, WAV, Apple Lossless, WMA, MP3, DSD, AIFF, MPEG-4 AAC, LPCM FLAC, WAV, Apple Lossless, WMA, MP3, DSD, AIFF, MPEG-4 AAC, LPCM FLAC, WAV, Apple Lossless, WMA, MP3, DSD, AIFF, MPEG-4 AAC, LPCM
    Music Playback via USB FLAC, WAV, Apple Lossless, WMA, MP3, DSD, AIFF, AAC, Dolby TrueHD FLAC, WAV, Apple Lossless, WMA, MP3, DSD, AIFF, AAC, Dolby TrueHD FLAC, WAV, Apple Lossless, WMA, MP3, DSD, AIFF, AAC, Dolby TrueHD FLAC, WAV, Apple Lossless, WMA, MP3, DSD, AIFF, AAC, Dolby TrueHD
    High Resolution Music Playback via USB and/or Network up to 192 kHz up to 192 kHz up to 192 kHz up to 192 kHz
    High Resolution Audio Formats via USB FLAC, WAV, Apple Lossless, DSD, AIFF, AAC, Dolby TrueHD FLAC, WAV, Apple Lossless, DSD, AIFF, AAC, Dolby TrueHD FLAC, WAV, Apple Lossless, DSD, AIFF, AAC, Dolby TrueHD FLAC, WAV, Apple Lossless, DSD, AIFF, AAC, Dolby TrueHD
    Gapless Playback
    DSD via HDMI 2-ch/Multi-ch Input 2-ch/Multi-ch Input 2-ch/Multi-ch Input 2-ch/Multi-ch Input
    DSD via USB 2-ch Input 2-ch Input 2-ch Input 2-ch Input
    DSD to PCM Converter
    USB DAC
    Jitter Reduction PLL (Phase Locked Loop) Jitter-Cleaning Circuit Technology for S/PDIF Audio PLL (Phase Locked Loop) Jitter-Cleaning Circuit Technology for S/PDIF Audio PLL (Phase Locked Loop) Jitter-Cleaning Circuit Technology for S/PDIF Audio PLL (Phase Locked Loop) Jitter-Cleaning Circuit Technology for S/PDIF Audio
    DTS Dialogue Control
    Dialog Enhancement
    Dialog normalization
    Dialogue Lift
    Tone Control All Channels All Channels Front L/R Channels Front L/R Channels
    Compressed Music Enhancer Advanced Music Optimizer (bluetooth included) Advanced Music Optimizer (bluetooth included) Advanced Music Optimizer (bluetooth included) Advanced Music Optimizer
    High-resolution Music Enhancer
    THX Processing Mode -
    Audyssey Dynamic EQ
    Audyssey Dynamic Volume
    Audyssey LFC
    Audyssey Sub EQ HT
    Audyssey DSX
    Phase-Matching Bass Boost - -
    Direct Mode
    Pure Audio Mode
    Pure Direct Analog Path Mode
    Virtual Speakers T-D (Theater-Dimensional) T-D (Theater-Dimensional) T-D (Theater-Dimensional) T-D (Theater-Dimensional)
    Independent Subwoofer Outputs - - -
    CALIBRATION Onkyo TX-RZ740 Onkyo TX-RZ730 Onkyo TX-RZ720 Onkyo TX-RZ710
    Auto Speaker Calibration System with Mic. AccuEQ Advance with AccuReflex™ AccuEQ Advance with AccuReflex™ AccuEQ with AccuReflex™ AccuEQ with AccuReflex™
    VIDEO FEATURES Onkyo TX-RZ740 Onkyo TX-RZ730 Onkyo TX-RZ720 Onkyo TX-RZ710
    HDR10
    HDR10+
    Dynamic HDR
    BT.2020 color space
    Dolby Vision
    HLG (Hybrid Log Gamma)
    HDBaseT Compatible
    Enhanced Audio Return Channel (eARC)
    HDCP Version 2.3 2.2 2.2 2.2 (3 inputs / 2 outputs)
    QMS (Quick Media Switching)
    ALLM (Auto Low Latency Mode)
    VRR (Variable Refresh Rate)
    QFT (Quick Frame transport)
    3-D Ready
    Video Signal Passthrough up to 4K/60p (RGB/YCbCr4:4:4) up to 4K/60p (RGB/YCbCr4:4:4) up to 4K/60p (RGB/YCbCr4:4:4) up to 4K/60p (YCbCr4:4:4)
    Video Signal Upscaling 1080p to 4K 1080p to 4K
    Analog To HDMI Upconversion Component**, Composite Component**, Composite Component**, Composite Component**, Composite
    Component Video Upscaling
    Analog to Analog Video conversion
    Component Video Maximum Resolution 480i/576i 480i/576i 480i/576i 480i/576i
    isf Certified Calibration Control
    CONNECTIVITY Onkyo TX-RZ740 Onkyo TX-RZ730 Onkyo TX-RZ720 Onkyo TX-RZ710
    Wi-Fi
    Bluetooth SBC, AAC SBC, AAC 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 via Onkyo Music Control app
    MHL Input
    DLNA 1.5 - -
    AirPlay AirPlay 2 after firmware update AirPlay 2 after firmware update AirPlay AirPlay
    Apple Product Connection iPod, iPhone and iPad iPod, iPhone and iPad iPod, iPhone and iPad iPod, iPhone and iPad
    Remote App Onkyo Onkyo Controller and Music Control apps Onkyo Onkyo Controller and Music Control apps Onkyo Remote App for iPod touch/iPhone and Android-Powered Devices Onkyo Remote App for iPod touch/iPhone and Android-Powered Devices
    InstaPrevue Input Source Prevue
    TERMINALS Onkyo TX-RZ740 Onkyo TX-RZ730 Onkyo TX-RZ720 Onkyo TX-RZ710
    HDMI Inputs 7 (1 front) 7 (1 front) 7 (1 front) 8 (1 front)
    HDMI Outputs 2 (1 Main, 1 Sub/Zone2) 2 (1 Main, 1 Sub/Zone2) 2 (1 Main, 1 Sub/Zone2) 2 (1 Main, 1 Sub/Zone2)
    8K Inputs
    USB Input 1 (Rear) 1 (Rear) 1 (Rear) 1 (Rear)
    USB DC Out Port
    Optical Inputs 1 2 2 2
    Optical Outputs
    Coaxial Inputs 1 1 1 1
    RCA Line Inputs 7 (1 Front) 6 6 7 (1 Front)
    RCA Line Outputs
    XLR Line Inputs
    Phono Input
    Multi-Channel Input
    RCA Pre-Outs 11.2 (barter to Zone 3 Pre/Line Out) 11.2 0.2 0.2
    XLR Pre-outs
    Composite Video Inputs 2 2 2 2
    Composite Video Outputs
    S-Video Inputs
    S-Video Outputs
    Component Video Inputs 1 2 2 2
    Component Video Outputs
    Ethernet
    Ethernet Switch
    PC In
    Front A/V Inputs HDMI, Mini-Jack HDMI, Mini-Jack HDMI, Mini-Jack HDMI, Mini-Jack
    Speaker A/B
    Headphone Out 6.3 mm (1/4") 6.3 mm (1/4") 6.3 mm (1/4") 6.3 mm (1/4")
    Detachable Power Cord
    uport
    ZONES Onkyo TX-RZ740 Onkyo TX-RZ730 Onkyo TX-RZ720 Onkyo TX-RZ710
    Number of Zones 3 3 2 2
    Powered Zones 2 and 3 2 and 3 2 2
    Zone 2 Outs HDMI, RCA Pre/Line Out (shared with Zone B Line out) HDMI, RCA Pre/Line Out HDMI, RCA Pre/Line Out HDMI, RCA Pre/Line Out
    Zone 3 Outs RCA Pre/Line Out RCA Pre/Line Out - -
    Whole House Mode
    RS-232C Interface
    +12V Trigger Output 1 (MAIN, 100 mA) 1 (MAIN, 100 mA) 1 (MAIN, 100 mA) 1 (MAIN, 100 mA)
    Remote (IR) Input/Output 1 / 0 1 / 0 1 / 0 1 / 0
    MISCELLANEOUS Onkyo TX-RZ740 Onkyo TX-RZ730 Onkyo TX-RZ720 Onkyo TX-RZ710
    On-Screen Display Graphical User Interface with Overlaid On-Screen Display (OSD) via HDMI Graphical User Interface with Overlaid On-Screen Display (OSD) via HDMI Graphical User Interface with Overlaid On-Screen Display (OSD) via HDMI Graphical User Interface with Overlaid On-Screen Display (OSD) via HDMI
    GUI Languages 7 7 - 7
    IP Control - - -
    ONKYO-RI System Control
    RIHD (Remote Interactive Over HDMI)
    Pre-Pro/Learning Remote - - / /
    Smart Grid-Ready
    RADIO Onkyo TX-RZ740 Onkyo TX-RZ730 Onkyo TX-RZ720 Onkyo TX-RZ710
    Analog Tuner FM/AM FM/AM FM/AM FM/AM
    Presets 40 40 40 40
    Digital Radio
    Internet Radio TuneIn TuneIn TuneIn TuneIn
    Pandora
    Spotify
    Tidal
    Deezer
    Napster
    SiriusXM
    CONSTRUCTION Onkyo TX-RZ740 Onkyo TX-RZ730 Onkyo TX-RZ720 Onkyo TX-RZ710
    Solid Aluminum Front - -
    Speaker Terminals 9 11 9 9
    Large Speaker Terminals 9 11 9 9
    Color-Coded Speaker Terminals
    Transparent High-Grade Speaker Terminals
    Gold plated RCA terminals
    POWER Onkyo TX-RZ740 Onkyo TX-RZ730 Onkyo TX-RZ720 Onkyo TX-RZ710
    Power Supply AC 120 V, 60 Hz AC 120 V, 60 Hz AC 120 V, 60 Hz AC 120 V, 60 Hz
    H.C.P.S. (High Current Power Supply) Customized Transformer Customized Transformer EI Transformer Massive Transformer
    Toroidal Transformer
    Power Consumption 750 W 750 W 600 W 600 W
    No Sound Power 75 W - 65 W 80 W
    Standby Power 0.15 W 0.15 W 0.15 W 0.1 W
    Capacitor Bank - - 10,000 µF 15,000 µF
    ECO Mode / Hybrid Standby Function
    PHYSICAL Onkyo TX-RZ740 Onkyo TX-RZ730 Onkyo TX-RZ720 Onkyo TX-RZ710
    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 177 mm x 379.5 mm
    17-1/8" x 6-15/16" x 14-15/16"     		435 mm x 177 mm x 378 mm
    17-1/8" x 6-15/16" x 14-7/8"     		435 mm x 177 mm x 378 mm
    17-1/8" x 6-15/16" x 14-7/8"
    Dimensions of Package (W x H x D) 534 mm x 265 mm x 468 mm
    21" x 10-7/16" x 18-7/16"     		- - -
    Weight 10.8 kg (23.8 lbs) 10.8 kg (23.8 lbs) 10.5 kg (23.1 lbs) 10.5 kg (23.1 lbs)
    Weight of Package 13.5 kg (29.8 lbs) - - -
    SPECIFICATIONS Onkyo TX-RZ740 Onkyo TX-RZ730 Onkyo TX-RZ720 Onkyo TX-RZ710
    Power Output (8 Ω, 20 Hz - 20 kHz, 2 channel driven, FTC) 100 W (0.08% THD) 100 W (0.08% THD) 110 W (0.08% THD) 130 W (0.08% THD)
    Power Output (6 Ω, 1 kHz, 1 channel driven, FTC) - - 180 W (0.9% THD) 200 W (0.9% THD)
    Maximum Effective Power Output (6 Ω, 1 kHz, 1 channel driven, JEITA or IEC) 225 W (10% THD) 225 W (10% THD) 225 W (10% THD) -
    Dynamic Power per Channel (3 Ω, Front) 250 W 250 W 250 W 250 W
    Dynamic Power per Channel (4 Ω, Front) 220 W 220 W 220 W 220 W
    Dynamic Power per Channel (8 Ω, Front) 130 W 130 W 130 W 130 W
    THD 0.08% (20 Hz - 20 kHz, Half power) 0.08% (20 Hz - 20 kHz, Half power) 0.08% (20 Hz - 20 kHz, Half power) 0.08% (20 Hz - 20 kHz, Half power)
    Input Sensitivity and Impedance (Line) 200 mV/47 kΩ 200 mV/47 kΩ 200 mV/47 kΩ (1 kHz, 100 W/8 Ω) 200 mV/47 kΩ (1 kHz, 100 W/8 Ω, unbalanced)
    Input Sensitivity and Impedance (Phono MM) 3.5 mV/47 kΩ 3.5 mV/47 kΩ 3.5 mV/47 kΩ 3.5 mV/47 kΩ
    Rated Preout Level and Impedance 1 V/470 Ω 1 V/470 Ω - -
    Rated Headphone Jack Output Level and Impedance - - 330 Ω 330 Ω
    Rated Headphone Power Output 85 mW (32 Ω, 1 kHz, 10% THD) 85 mW (32 Ω, 1 kHz, 10% THD) 85 mW (32 Ω, 1 kHz, 10% THD) 85 mW (32 Ω, 1 kHz, 10% THD)
    Phono Overload 70 mV (MM, 1 kHz 0.5%) 70 mV (MM, 1 kHz 0.5%) 70 mV (MM, 1 kHz 0.5% Direct) 70 mV (MM, 1 kHz 0.5% Direct)
    S/N Ratio (Line, IHF-A) 106 dB 106 dB 106 dB 106 dB
    S/N Ratio (Phono MM, IHF-A) 80 dB 80 dB 80 dB 80 dB
    Frequency Response (Analog In) 5 Hz - 100 kHz/+1 dB, -3 dB (Direct/Pure Audio) 5 Hz - 100 kHz/+1 dB, -3 dB (Direct/Pure Audio) 5 Hz - 100 kHz/+1 dB, -3 dB (Direct/Pure Audio) 5 Hz - 100 kHz/+1 dB, -3 dB (Direct/Pure Audio)
    DSD Sampling Rates via HDMI 2.8 MHz 2.8 MHz 2.8 MHz 2.8 MHz
    DSD Sampling Rates via USB 2.8 MHz, 5.6 MHz, 11.2 MHz 2.8 MHz, 5.6 MHz 2.8 MHz, 5.6 MHz 2.8 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 (Component Y)
    0.7 Vp-p/75 Ω (Component PB/CB, PR/CR)
    1 Vp-p/75 Ω (Composite)     		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 (Component Y)
    0.7 Vp-p/75 Ω (Component PB/CB, PR/CR)
    1 Vp-p/75 Ω (Composite)
    Ethernet Standard 10BASE-T/100BASE-TX 10BASE-T/100BASE-TX 10BASE-T/100BASE-TX 10BASE-T/100BASE-TX
    Wi-Fi Standard IEEE 802.11 a/b/g/n IEEE 802.11 a/b/g/n IEEE 802.11 a/b/g/n IEEE 802.11 a/b/g/n
    Wi-Fi Terminal Frequency 5 GHz, 2.4 GHz 5 GHz, 2.4 GHz 5 GHz, 2.4 GHz 5 GHz, 2.4 GHz
    Bluetooth Version 4․2 4․1 + LE 4․1 + LE 4․1 + LE
    Bluetooth Frequency 2.4 GHz 2.4 GHz 2.4 GHz 2.4 GHz
    USB Terminal Ver. 2.0, 5 V, 1 A Ver. 2.0, 5 V, 1 A Ver. 2.0, 5 V, 1 A Ver. 2.0, 5 V, 1 A
    FM Frequency 87.5 MHz - 107.9 MHz 87.5 MHz - 107.9 MHz 87.5 MHz - 107.9 MHz 87.5 MHz - 107.9 MHz
    FM 50 dB Quiet Sensitivity (IHF, 1 kHz, 100% MOD.) Mono: 1.0 µV (11.2 dBf) Mono: 1.56 µV (15.0 dBf) - -
    AM Frequency 530 kHz - 1710 kHz 530 kHz - 1710 kHz 530 kHz - 1710 kHz 530 kHz - 1710 kHz
    Warranty 3 Years 3 Years 3 Years 3 Years
    Amazon Affiliate Disclosure
    ZKelectronics is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for website owners to earn advertising fees by advertising and linking to Amazon (.com, .co.uk, .ca, etc) and any other websites that may be affiliated with Amazon Service LLC Associates Program.