1-on-1 Comparison

Side-by-Side Comparison

Integra DRX-7.1 (North American version)

SCORE:
91

Highlights

  • 9.2 channels
  • 11.2 channel processing
  • 140 W (8 Ω, 1 kHz, 2 channel driven)
  • THX Select™ certified
  • Dolby Atmos, DTS:X capable
  • HDR10, Dolby Vision, 4K Passthrough
  • Airplay, Chromecast, DTS Play-Fi
  • Ethernet
  • USB and Phono inputs

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

Content

Overview

Integra DRX-7.1 was introduced in 2018. It is equipped with 9 channel amplifier with 140 W (8 Ω, 1 kHz, 2 channel driven) power per channel and is capable of 11.2 maximum channel processing. It supports Dolby Atmos and DTS:X, passes 4K/60Hz video signal.

We evaluated the a/v receiver and gave 91 overall score out of 100. Our ranking system is based on the amplifier specifications, audio and video features, connectivity, multizone capabilities, radio and many other details.

AMPLIFIER
94
VIDEO FEATURES
95
AUDIO FEATURES
89
CONNECTIVITY
86
MULTIZONE
92
MISCELLANEOUS
89
RADIO
92
OVERALL
91

Pros and Cons

In this section we present pros and cons of Integra DRX-7.1.

PROS
  THX™ Certification
  11.2 Channel Processing
  Dolby Atmos
  DTS:X
  DSD via HDMI
  Auto Speaker Calibration System with Mic.
  eARC
  New HDCP Version
  HDR10
  Dolby Vision
  4K or 8K Video Passthrough
  Analog To HDMI Upconversion
  Chromecast Built-In
  Google assistant
  Ethernet
  Many HDMI Inputs
  USB Input
  Many Analog Audio Line Inputs
  Phono Input
  Composite Video Inputs
  Component Video Inputs
  Analog Pre-Outs
  Zones
  Analog Tuner
  Pandora
  Spotify
  Tidal
  Independent Power Supply
CONS
  No Front Wide Channel Support
  No Dolby Atmos Height Virtualization
  No IMAX Enhanced
  No Auro 3D with Auro-Matic Upmixer
  No HDR10+
  Does not Work with Amazon Alexa
  No Wi-Fi
  No Bluetooth
  Few 8K Inputs

Audio Section

9 channel Hybrid Digital High-Current Amplifier

Integra DRX-7.1 features 9 channel power amplifier. It is rated at 140 W (8 Ω, 1 kHz, 2 channel driven) and is able to drive 4 ohm speakers.

    THX Select™ (previously known as Select2) certified

    Integra DRX-7.1 is THX Select™ (previously known as Select2) certified. This means that it is ideally suited for a room where the screen-to-seat viewing distance is approximately 3 to 4 meters, and the room size is approximately 56 cubic meters.

    • THX™ Certification: THX™ Certification offers optimal performance, superior quality and seamless integration. THX works with partners from the ground up, so that certified products deliver professional quality audio-visual experiences right out of the box. They only certify the very best products with uncompromised quality, performance and consistency. They ensure that THX certified devices play well with lower performing devices and components. THX listening modes make the receiver to have one speaker set up for movies, music and games. They are tested for power output, bass management, signal-to-noise ratio and feature THX Loudness Plus, Boundary Gain Compensation, Timbre Matching and RE-EQ.
    • Power Output: Power output is tested to ensure the receiver accurately plays source material at THX Reference Level in every input and mode and at every sampling rate for all possible playback combinations selected by the listener.
    • Frequency Response: THX has strict requirements for frequency response to ensure that you hear all the details in high-resolution tracks, ensures dialog in movies, and vocals in music are clear while maintaining deep, impactful bass output that doesn’t overpower the listening experience.
    • Signal-to-Noise Ratio: THX tests the signal-to-noise ratio to ensure the unit is designed to have low noise performance with very little to no audible hiss from the speakers.
    • Bass Management: THX requires an 80Hz crossover point in the setup menu to ensure proper bass management in every THX Certified AVR. This setting confirms that the subwoofer handles low frequencies, freeing up the loudspeakers to handle mids and highs.
    • THX Loudness Plus™: THX Loudness Plus™ is a volume control technology featured in THX Certified Dominus, THX Certified Ultra and THX Certified Select AV Receivers, and preamplifiers that automatically adjusts the front-to-back speaker level relationship as you turn the volume down. With THX Loudness Plus, home theater audiences can now experience the rich details of surround sound at any volume level.
    • Boundary Gain Compensation: Sitting near a wall may result in increased acoustic levels at the lower frequencies. BGC corrects the way low frequency sound is perceived when seated near a wall. This results in a more accurate bass response.
    • Timbre Matching: Your ears hear different tonal qualities in sounds coming from different directions. Timbre Matching restores the frequency balance between your front and surround speakers ensuring seamless and smooth panning between the front to back of the room.
    • RE-EQ: Many movie soundtracks are mixed in studios for playback in large cinema auditoriums with an array of speakers. When played on home systems, they may appear abrasive and edgy. Re-EQ establishes a more accurate tonal balance when enjoying movies in your home.

    Speaker Configurations

    Integra DRX-7.1's 9 channel amplifier can be assigned for different speaker configurations.

    • Dolby Atmos Configurations: The following speaker configurations are supported for Dolby Atmos:
    • 5.2.2, 5.2.4, 7.2.2 with internal amplifier.
    • 7.2.4 with addition of external 2 channel amplifier.
    • DTS:X Configurations: 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.
    • 7.2.4 with addition of external 2 channel amplifier.
    • Configurations without height channels: There are also other speaker configurations available which do not include height channels:
    • 5.2, 7.2 with internal amplifier.
    • Bi-Amp: You can bi-amp front left and right speakers. 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.

    Dolby Atmos

    Integra DRX-7.1 supports Dolby Atmos. It is a cinematic audio format in which sounds exist as individual entities, called audio objects. In Dolby Atmos, any sound can exist as an independent audio object, free of channel restrictions. They can be precisely placed and moved anywhere in your room, including overhead, to flow above and around you in three-dimensional space. Through the use of audio objects, overhead sound, and all the richness, clarity, and power of Dolby sound, Dolby Atmos turns your room into an amazing place for entertainment. The format supports up to 128 simultaneous independent audio objects in a mix for rich, realistic, and breathtaking sound. It recreates the director's original concept through descriptive metadata to provide customized playback for home theater and delivers sounds above you through overhead speakers, special upward-firing Dolby Atmos speakers, or a Dolby Atmos enabled sound bar.

    • 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

    Integra DRX-7.1 supports DTS:X. A technique used in DTS:X is similar to the one used in Dolby Atmos. Instead of a fixed number of channels, DTS:X defines object locations from the listener in polar coordinates. An a/v receiver then dynamically renders sound according to the current speaker configuration. The speaker layout employed by DTS:X is the sum of Dolby Atmos and Auro-3D. It has standard 7.1 channel base layer, a 5 channel height layer above the base layer on the front and side walls, and 3 rows of speakers on the ceiling.

    • DTS Neural:X: DTS Neural:X 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: 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.

    Enhanced Audio Return Channel (eARC)

    Audio Return Channel (ARC) feature allows the compatible TV to send audio signal to the a/v receiver through the same HDMI cable which is used to send audio and video signals to the TV. So one HDMI cable is used to transfer audio signal in both directions. New Enhanced ARC will support uncompressed audio formats such as Dolby Atmos, DTS:X, Dolby TrueHD and DTS HD Master Audio whereas the previous ARC could support only Dolby Digital, Dolby Digital Plus, DTS, DTS HD, and PCM.


    Sound Processing

    • Advanced Music Optimizer: Compressed music enhancement in Integra DRX-7.1 is done by Onkyo’s Advanced Music Optimizer. While MP3 or AAC files may sound fine through the headphones of your portable digital player, the limitations of these files can be exposed when played back through a quality home entertainment system. This is because a significant amount of high-frequency bit information is lost during the file-compression process. To counter this, Onkyo has designed the Advanced Music Optimizer to compensate for lost bit information and improve the quality of compressed audio signals. This results in a clearer and more expansive sound. Also included in this technology is a loudness correction feature that further improves the audio character of compressed files.

    Room Calibration

    Integra DRX-7.1 comes with AccuEQ Advance with AccuReflex™ room correction system and includes the calibration microphone.

    • AccuEQ: First, AccuEQ detects the presence of speakers and evaluates the impedance of each. Next, it pinpoints their distance relative to the main listening position using the mic and sets suitable sound-pressure levels. Then it selects the optimal crossover frequency so that deeper bass rolls smoothly off to the subwoofer. Finally, AccuEQ performs frequency response equalization based on room-acoustic and speaker data collected via microphone. The sound-field is now tailored around the listening position, resulting in a more immersive and realistic in-film experience.

    Video Section

    HDMI

    Integra DRX-7.1 features 7 HDMI inputs. It has 2 outputs: 1 Main and 1 Sub/Zone2.

    • 4K/60Hz Passthrough: All inputs pass up to 4K 50/60Hz 4:4:4 video signal.
    • Analog To HDMI Upconversion: The a/v receiver supports video upconversion, so you can connect your analog Component and Composite video sources and Integra DRX-7.1 will output them 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%.
    • HDCP 2.2 Copy Protection: All inputs and outputs are HDCP 2.2 compliant which is a requirement for 4K/HDR copy-protected content transmission.
    • 3D Ready: Integra DRX-7.1 is able to pass 3D video through HDMI.

    HDR (High Dynamic Range)

    Integra DRX-7.1 supports HDR (high dynamic range) video formats such as HDR10, Dolby Vision and Hybrid Log-Gamma. 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.

    • HDR10: HDR10 uses the wide-gamut Rec. 2020 color space. It sends static metadata via video stream to the TV which calibrates its screen brightness and color according to that. HDR10 supports 10-bit color which corresponds to 1024 shades of the primary RGB colors. It is technically limited to a maximum of 10,000 nits peak brightness, however common HDR10 contents are mastered with peak brightness from 1,000 to 4,000 nits.
    • Dolby Vision: Dolby Vision is a set of technologies developed by Dolby Laboratories for high dynamic range (HDR) video. It covers content creation, distribution, and playback. Like HDR10+, it includes dynamic metadata that are used to adjust and optimize each frame of the HDR video to the consumer display's capabilities in a way specified by the content creator. Dolby Vision allows for a maximum resolution of 8K up to 12-bit color depth, maximum peak brightness of 10,000 nits and a color gamut up to Rec. 2020. It uses Dolby's proprietary dynamic metadata defined in SMPTE ST 2094-10.
    • Hybrid Log-Gamma (HLG): The Hybrid Log-Gamma (HLG) is a transfer function developed mainly for HDR live video feed and over-the-air broadcasts. It is an HDR format that uses BT.2020 color primaries and a bitdepth of 10-bit. It is backward compatible with the transfer function of SDR and is designed to be better-suited for television broadcasting, where the metadata required for other HDR formats is not backward compatible with non-HDR displays. HLG defines a non-linear optical-electro transfer function, in which the lower half of the signal values use a gamma curve and the upper half of the signal values use a logarithmic curve.

    Multi-zone Playback

    Integra DRX-7.1 offers multi-zone playback which allows you to play different input sources in 3 different rooms.


    Zone 2

    • Powered Zone 2: You can use the unit's 2 amplifier channels by connecting Zone 2 speakers directly to the speaker terminals. The remaining 7 channels will be left for main zone amplification.
    • HDMI Output: Integra DRX-7.1 offers HDMI output for Zone 2. This means that it can send two different HDMI signals to two displays.
    • Audio Pre/Line Output: If you have a dedicated amplifier for Zone 2 you can connect it to the a/v receiver via pre/line outs and use "pre out" option to control volume from the a/v receiver or use "line out" option - send fixed signal and then control volume on the Zone 2 amplifier.

    Zone 3

    • Powered Zone 3: You can use the unit's 2 amplifier channels by connecting Zone 3 speakers directly to the speaker terminals. The remaining 7 channels will be left for main zone amplification.
    • Audio Pre/Line Output: If you have a dedicated amplifier for Zone 2 you can connect it to the a/v receiver via pre/line outs and use "pre out" option to control volume from the a/v receiver or use "line out" option - send fixed signal and then control volume on the Zone 3 amplifier.

    Inputs and Outputs

    Audio

    • Phono Input: There is an MM phono input with built-in phono stage for connecting the moving magnet cartridge output of the turntable directly to the a/v receiver.
    • Analog Pre-Outs: Integra DRX-7.1 has 11.2 preamplifier outputs which allow you to connect the a/v 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 a/v receiver to power the rest. Also, Integra DRX-7.1 has 11 channel processing but has only 9 channel amplifier, so it needs the external amplifier connected to the analog pre-outs in order to reach the maximum speaker configuration.
    • Analog Line Inputs: There are 6 line inputs for analog audio connection.
    • Digital Inputs: 3 optical inputs and 2 coaxial inputs are available for digital audio connection.
    • Headphone Output: There is a 6.3 mm (1/4") headphone output jack on the front panel.

    Video

    • HDMI:
    • Inputs: 7 (1 front)   Outputs: 2 (1 Main, 1 Sub/Zone2)
      8K Inputs: 0
    • Composite Video: Connect you VCR, Laserdisc player and other old video equipment with composite video cables.
    • Inputs: 2   Outputs: 0
    • 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. Integra DRX-7.1 supports up to 480i/576i resolution on Component video connectors.
    • Inputs: 2   Outputs: 1
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    Specifications

    Here we list all the available features and specifications of Integra DRX-7.1.

    BASICS
    BrandIntegra
    ModelDRX-7.1
    TypeA/V Receiver
    CountryNorth America
    Release Year2018
    AMPLIFIER
    Channels9.2
    Front Wide Channel Support
    AmplifierHybrid Digital Low-Impedance, High-Current Amplifier
    Non-Phase Shift Amplifier
    VLSC (Vector Linear Shaping Circuitry) All Channels
    Optimum Gain Volume Circuitry
    THX™ Certification Select™ (previously known as Select2)
    Continuous 6 Ω Rated
    Certified 4 Ω Performance
    Discrete Output Stage Circuitry
    Bi-amp Capability
    AUDIO
    Digital Signal Processing (DSP) EngineAnalog Devices SHARC (x3) 32-Bit DSP Chips
    DACAKM AK4490 Stereo DAC for Front L/R
    2 AKM AK4458 Multichannel DACs for Other Channels
    2 AKM AK4388 Stereo DACs for Zone 2 and Zone 3
    DAC Specs384 kHz/32 Bit for Front L/R
    768 kHz/32 Bit for Other Channels
    192kHz/24 Bit for Zone 2 and Zone 3
    Maximum Channel Processing11.2
    Air Studios Monitor Certification
    Dolby Atmos
    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
    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
    Music Playback via USBFLAC, WAV, Apple Lossless, WMA, MP3, DSD, AIFF, MPEG-4 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
    Multi-Channel Music File Playback via USB
    Gapless Playback
    DSD via HDMI 2-ch/Multi-ch Input
    DSD via USB 2-ch Input
    DSD to PCM Converter
    USB DAC
    DTS Dialog Control
    Dialog Enhancement
    Dialog Normalization
    Dialogue Lift
    Tone Control All Channels
    Compressed Music Enhancer Advanced Music Optimizer
    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
    Virtual Speakers T-D (Theater-Dimensional)
    Independent Subwoofer Outputs
    CALIBRATION
    Auto Speaker Calibration System with Mic. AccuEQ Advance with AccuReflex™
    Standing Wave Control User Defined (x3) Standing Wave EQ
    Distance Adjustment0.1 - foot
    VIDEO
    Enhanced ARC
    HDCP Version2.2
    HDR10
    HDR10+
    Dynamic HDR
    Dolby Vision
    HLG (Hybrid Log Gamma)
    BT.2020 color space
    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 50/60Hz 4:4:4
    Analog To HDMI Upconversion Component**, Composite
    Component Video Upscaling
    Analog to Analog Video conversion
    Component Video Maximum Resolution480i/576i
    isf Certified Calibration Control
    CONNECTIVITY
    FlareConnect
    Remote Monitoring with ihiji
    Chromecast Built-In
    DTS Play-Fi
    Works with Amazon Alexa
    Google assistant
    Apple Siri
    Works with SONOS
    AirPlay Airplay
    Apple Product Connection iPod, iPhone and iPad
    Remote App Integra Control Pro
    InstaPrevue Input Source Prevue
    Ethernet
    Ethernet Switch
    Wi-Fi
    Bluetooth
    HDBaseT Compatible
    In: 1
    Out: 1
    RS-232: 1 (Pasth through)
    IR In: 1 (Path through)
    IR Out: 1 (Path through)
    Maximum Video Resolution: 4K 60 Hz (YCbCr 4:4:4)
    HDMI Inputs7 (1 front)
    HDMI Outputs2 (1 Main, 1 Sub/Zone2)
    8K Inputs
    USB Input1 (Rear)
    USB DC Out Port
    Analog Audio Line Input6
    Analog Audio Line Output
    Phono Input
    Optical Inputs3
    Optical Outputs
    Coaxial Inputs2
    Composite Video Input2
    Composite Video Output
    S-Video Input
    S-Video Output
    Component Video Input2
    Component Video Output1
    PC In
    Multi-Channel Input
    Analog Pre-Outs11.2
    XLR Inputs
    XLR Pre-outs
    Front A/V InputsHDMI
    Headphone Out6.3 mm (1/4")
    ZONES
    Zones3
    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 Output3 (A:100 mA, B:25 mA, C:25 mA)
    Remote (IR) Input/Output2 / 1
    MISC
    On-Screen Display Advanced Graphical User Interface
    GUI Languages9
    IP Control for CI
    Control4 SDDP
    Detachable Power Cord Oversized AC Cord
    RIHD (Remote Interactive Over HDMI)
    Smart Grid-Ready
    RADIO
    Analog Tuner FM/AM
    Presets40
    Digital Radio
    Internet Radio TuneIn
    Pandora
    Spotify
    Tidal
    Deezer
    Napster
    SiriusXM Internet Radio
    CONSTRUCTION
    Front PanelAudiophile Grade Anti-Resonant Aluminum Front Panel
    Solid Aluminum Front
    Speaker Terminals11
    Large Speaker Terminals11
    Color-Coded Speaker Terminals
    Gold plated RCA terminals
    POWER
    Power SupplyAC 120 V, 60 Hz
    Independent Power Supply2
    H.C.P.S. (High Current Power Supply) Massive High Power Transformer
    Toroidal Transformer
    Power Consumption330 W
    Standby Power0.2 W
    GENERAL
    ECO Mode / Hybrid Standby Function
    Dimensions (W x H x D)435 mm x 197 mm x 446.5 mm
    17-1/8" x 7-3/4" x 17-9/16"
    Dimensions of Package (W x H x D)565 mm x 325 mm x 547 mm
    22-1/4" x 12-13/16" x 21-9/16"
    Weight19.0 kg (41.9 lbs)
    Weight of Package22.0 kg (48.5 lbs)
    Rack Mount Kit AvailableIRK-180-4C
    Warranty3 Years
    SPECS
    Power Output (8 Ω, 1 kHz, 2140 W (0.08% THD)
    Maximum Effective Power Output (6 Ω, 1 kHz, 1 channel driven, JEITA)260 W (10% THD)
    Dynamic Power per Channel (3 Ω, Front)320 W
    Dynamic Power per Channel (4 Ω, Front)270 W
    Dynamic Power per Channel (8 Ω, Front)160 W
    THD0.04% (1 kHz, 100 W, 8 Ω)
    Input Sensitivity and Impedance (Line)200 mV/82 kΩ (Line)
    Input Sensitivity and Impedance (Phono MM)3.5 mV/47 kΩ
    Rated Preout Level and Impedance1 V/330 Ω
    Rated Headphone Jack Output Level and Impedance43 Ω
    Rated Headphone Power Output57 mW (32 Ω, 1 kHz, 10% THD)
    Phono Overload70 mV (MM, 1 kHz 0.5%)
    S/N Ratio (Line, IHF-A)108 dB
    S/N Ratio (Phono MM, IHF-A)90 dB
    DSD Sampling Rates via HDMI2.8 MHz
    DSD Sampling Rates via USB2.8 MHz, 5.6 MHz, 11.2 MHz
    Video Input Sensitivity/Output Level and Impedance1 Vp-p/75 Ω (Component Y)
    0.7 Vp-p/75 Ω (Component PB/CB, PR/CR)
    1 Vp-p/75 Ω (Composite)
    Ethernet Standard10BASE-T/100BASE-TX
    USB TerminalVer. 2.0, 5 V, 1 A
    FM Frequency87.5 MHz - 107.9 MHz
    AM Frequency530 kHz - 1710 kHz

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

    Successor

    In 2019 Integra DRX-7.1 was replaced by DRX-7.3. Let us now have a look at some important changes that the successor brought.


    UPGRADES Integra DRX-7.3 vs Integra DRX-7.1
    Dolby Atmos Height Virtualization vs
    IMAX Enhanced vs
    More Advanced Auto Speaker Calibration System AccuEQ Advance Plus 9-point calibration with subwoofer EQ and AccuReflex™ vs AccuEQ Advance with AccuReflex™
    Works with Amazon Alexa vs
    Apple Siri vs
    Wi-Fi vs
    Bluetooth SBC, AAC vs
    More HDMI Outputs 3 (1 Main, 1 Sub, 1 Zone2) vs 2 (1 Main, 1 Sub/Zone2)
    Remote (IR) Input/Output 3 / 2 vs 2 / 1

    DOWNGRADES Integra DRX-7.3 vs Integra DRX-7.1
    Less Component Video Outputs vs 1
    +12V Trigger Output 2 (A:100 mA, B:25 mA) vs 3 (A:100 mA, B:25 mA, C:25 mA)
    Smaller Power Supply 310 W vs 330 W
    Lower Power Output (8 Ω, 1 kHz, 2 channel Driven, FTC) 135 W (0.08% THD) vs 140 W (0.08% THD)
    Lower Power Output (6 Ω, 1 kHz, 1 channel driven, JEITA) 255 W (10% THD) vs 260 W (10% THD)
    Higher THD 0.05% (1 kHz, 100 W, 8 Ω) vs 0.04% (1 kHz, 100 W, 8 Ω)
    Lower S/N Ratio (Line, IHF-A) 107 dB vs 108 dB

    For more detailed comparison between the models please visit Integra DRX-7.1 vs Integra DRX-7.3.

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