Onkyo TX-SR309 vs Onkyo TX-SR383

      Onkyo TX-SR309

      Onkyo TX-SR383
      60
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      76
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      USA
      Taiwan Europe and Australia Others
      North America
      Taiwan Australia
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      Highlights

      • 5.1 Channels
      • 5.1 Channel Processing
      • 65 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven)

      Highlights

      • 7.2 Channels
      • 7.1 Channel Processing
      • 80 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven)
      • Dolby Atmos, DTS:X
      • HDR10, Dolby Vision
      • 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-SR309
      4. Advantage of Onkyo TX-SR383
      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-SR309 to Onkyo TX-SR383 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-SR309 has 5 channel and the Onkyo TX-SR383 has 7 channel amplifiers with Onkyo TX-SR309's being less powerful.


      Onkyo TX-SR309 Onkyo TX-SR383

      Onkyo TX-SR309 was introduced in 2011. It is equipped with 5 channel amplifier with 65 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 1080/60p video signal.

      Onkyo TX-SR383 was introduced in 2018. It is equipped with 7 channel amplifier with 80 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven) power per channel and is capable of 7.1 maximum channel processing. It supports Dolby Atmos and DTS:X, passes 4K/60Hz video signal.

      We evaluated Onkyo TX-SR309 and Onkyo TX-SR383 and gave them scores of 60 and 76 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-SR309

      Onkyo TX-SR383

      Amplifier
      71
      Amplifier
      71
      Audio Features
      64
      Audio Features
      83
      Video Features
      46
      Video Features
      90
      Connectivity
      61
      Connectivity
      62
      Zones
      55
      Zones
      77
      Radio
      59
      Radio
      59
      OVERALL
      60
      OVERALL
      76

      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-SR309 and Onkyo TX-SR383.

      PROS

      Onkyo TX-SR309

      Onkyo TX-SR383

      •   DSD via HDMI
      •   USB Input
      •   Many RCA Line Inputs
      •   Composite Video Inputs
      •   Component Video Inputs
      •   Analog Tuner
      •   Dolby Atmos
      •   DTS:X
      •   DSD via HDMI
      •   Auto Speaker Calibration System with Mic.
      •   HDR10
      •   Dolby Vision
      •   New HDCP Version
      •   Bluetooth
      •   USB Input
      •   Composite Video Inputs
      •   Analog Tuner

      CONS

      Onkyo TX-SR309

      Onkyo TX-SR383

      •   Few Channels - 5.1
      •   Low Power Output - 65 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 HDR10+
      •   No Dolby Vision
      •   No eARC
      •   No 8K Passthrough
      •   No Wi-Fi
      •   No Bluetooth
      •   Does not Work with Amazon Alexa
      •   3 HDMI Inputs
      •   1 HDMI Outputs
      •   0 8K Input
      •   No Phono Input
      •   No RCA Pre-Outs
      •   No Ethernet
      •   No Zones
      •   No Digital Radio
      •   No Pandora
      •   No Spotify
      •   No Tidal
      •   Low Power Output - 80 W
      •   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
      •   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 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-SR309

      Onkyo TX-SR383

      •   7.2 Channels
      •   7.1 Channel Processing
      •   2 Zones

      3. Advantage of Onkyo TX-SR309

      This section shows those features and specifications which are the reason to choose Onkyo TX-SR309 over Onkyo TX-SR383.

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      Onkyo TX-SR309
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      Onkyo TX-SR309 vs Onkyo TX-SR383
      Optimum Gain Volume Circuitry vs
      Dolby Pro Logic PLII vs
      DTS Neo Neo:6 vs
      Music Playback via USB FLAC, WMA, MP3, AAC vs WMA, MP3, AAC
      DSD via HDMI 2-ch/Multi-ch Input vs 2-ch
      Jitter Reduction PLL (Phase Locked Loop) Jitter-Cleaning Circuit Technology for S/PDIF Audio vs
      Virtual Speakers T-D (Theater-Dimensional) vs
      More Optical Inputs 2 vs 1
      More RCA Line Inputs 6 (1 front) vs 3
      More RCA Line Outputs 1 vs
      More Composite Video Inputs 5 (1 front) vs 2
      More Composite Video Outputs 2 vs 1
      More Component Video Inputs 2 vs
      More Component Video Outputs 1 vs
      Front A/V Inputs USB, Composite Video, RCA Audio vs USB
      Speaker A/B vs
      ONKYO-RI System Control vs
      RIHD (Remote Interactive Over HDMI) vs
      More Presets 40 vs 30
      Color-Coded Speaker Terminals vs
      H.C.P.S. (High Current Power Supply) Massive High Power Transformer vs
      Wider AM Frequency Range 522/530 kHz - 1611/1710 kHz vs 530 kHz - 1710 kHz

      4. Advantage of Onkyo TX-SR383

      This section shows those features and specifications which are the reason to choose Onkyo TX-SR383 over Onkyo TX-SR309.

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      Onkyo TX-SR383
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      Onkyo TX-SR309 vs Onkyo TX-SR383
      More Channels 5.1 vs 7.2
      Higher Power Output 65 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven) vs 80 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven)
      Discrete Output Stage Circuitry vs
      More Channel Processing 5.1 vs 7.1
      Dolby Atmos vs
      Dolby Surround Upmixer vs
      DTS:X vs
      DTS Neural:X vs
      DTS-ES vs
      More Advanced Auto Speaker Calibration System vs AccuEQ
      HDR10 vs
      BT.2020 color space vs
      Dolby Vision vs
      Video Signal Passthrough up to 1080p vs up to 4K/60p (4:4:4)
      Bluetooth vs SBC, AAC
      More HDMI Inputs 3 vs 4
      More Zones 1 vs 2
      More Large Speaker Terminals 0 vs 2
      Higher Power Output (8 Ω, 20 Hz - 20 kHz, 2 channel driven, FTC) 65 W (0.7% THD) vs 80 W (0.08% THD)
      Higher Power Output (6 Ω, 1 kHz, 1 channel driven, JEITA) 120 W vs 155 W (10% THD)
      Lower THD 0.08% (20 Hz - 20 kHz, Half power) vs 0.06% (20 Hz - 20 kHz, 1 Channel Driven, 50 W)
      Higher S/N Ratio (Line, IHF-A) 100 dB vs 106 dB

      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-SR309 Onkyo TX-SR383
        DSD via HDMI 2-ch/Multi-ch Input 2-ch
        USB Input1 Front1 (Front)
        Composite Video Inputs5 (1 front)2
        Analog Tuner FM/AM FM/AM
      WEAKNESSES Onkyo TX-SR309 Onkyo TX-SR383
        Low Power Output65 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven)80 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven)
        No Dolby Atmos Height Virtualization
        No IMAX Enhanced
        No Auro 3D with Auro-Matic Upmixer
        No HDR10+
        No eARC
        No 8K Passthroughup to 1080pup to 4K/60p (4:4:4)
        No Wi-Fi
        Does not Work with Amazon Alexa
        Few HDMI Inputs34
        Few HDMI Outputs11
        Few 8K Inputs
        No Phono Input
        No RCA Pre-Outs0.10.2
        No Ethernet
        No Digital Radio
        No Pandora
        No Spotify
        No Tidal

      6. Amplifier

      Onkyo TX-SR309 Onkyo TX-SR383

      5 channel Amplifier: Onkyo TX-SR309 features 5 channel power amplifier. It is rated at 65 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven).

      7 channel Amplifier: Onkyo TX-SR383 features 7 channel power amplifier. It is rated at 80 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven).


        AMPLIFIER Onkyo TX-SR309 Onkyo TX-SR383
        Channels5.17.2
        Power Output65 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven)80 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven)
        VLSC (Vector Linear Shaping Circuitry)
        Optimum Gain Volume Circuitry
        THX™ Certification
        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)

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        Onkyo TX-SR309
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        7. Speaker Configurations

        Onkyo TX-SR309's and Onkyo TX-SR383's amplifiers can be assigned for different speaker configurations.

        • Dolby Atmos Configurations: The following speaker configurations are supported for Dolby Atmos:
        • Onkyo TX-SR309: Not supported.
        • Onkyo TX-SR383: 5.2.2 with internal amplifier.
        • DTS:X Configurations: The following speaker configurations are supported for DTS:X:
        • Onkyo TX-SR309: Not supported.
        • Onkyo TX-SR383: The speaker configurations for DTS:X are the same as for Dolby Atmos - 5.2.2 with internal amplifier.
        • Configurations without height channels: There are also other speaker configurations available which do not include height channels:
        • Onkyo TX-SR309: 5.1 with internal amplifier.
        • Onkyo TX-SR383: 5.2, 7.2 with internal amplifier.

        8. Immersive Audio Formats

        Dolby Atmos

        Onkyo TX-SR383 supports Dolby Atmos.

        • Dolby Surround Upmixer: Onkyo TX-SR383 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-SR383 supports DTS:X.

        • DTS Neural:X: Onkyo TX-SR383 features 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.
        AUDIO DECODING Onkyo TX-SR309 Onkyo TX-SR383
        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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        Onkyo TX-SR383
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        9. HDMI

        Onkyo TX-SR309 comes with 3 HDMI inputs. It has 1 output.

        Onkyo TX-SR383 comes with 4 HDMI inputs. It has 1 output.

        • 1080/60p Passthrough on Onkyo TX-SR309: All inputs pass up to 1080p video signal.
          4K/60Hz Passthrough on Onkyo TX-SR383: All inputs pass up to 4K/60p (4:4:4) video signal.
        • 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-SR383 only).
        • HDCP 2.-1 Copy Protection: Onkyo TX-SR383 is 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-SR309 does not support HDR.

        Onkyo TX-SR383 supports HDR10 and Dolby Vision. 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-SR309 Onkyo TX-SR383
        HDR10
        HDR10+
        Dynamic HDR
        BT.2020 color space
        Dolby Vision
        HLG (Hybrid Log Gamma)
        HDBaseT Compatible
        Enhanced Audio Return Channel (eARC)
        QMS (Quick Media Switching)
        ALLM (Auto Low Latency Mode)
        VRR (Variable Refresh Rate)
        QFT (Quick Frame transport)
        3-D Ready
        Video Signal Passthroughup to 1080pup to 4K/60p (4:4:4)
        Video Signal Upscaling

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        Onkyo TX-SR309
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        10. Inputs and Outputs

        Audio

        • Analog Line Inputs and Outputs: There are 6 pair of line inputs on Onkyo TX-SR309 and 3 pair of line inputs on Onkyo TX-SR383 for connecting sources with analog outputs. There is also 1 pair of line outputs on Onkyo TX-SR309.
        • Digital Inputs: 2 optical inputs and 1 coaxial input are available on Onkyo TX-SR309 and 1 optical input and 1 coaxial input are available on Onkyo TX-SR383 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-SR309
          Inputs:           3   Outputs: 1
          8K Inputs: 0.
        • Onkyo TX-SR383
          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-SR309
          Inputs:           5   Outputs: 2.
        • Onkyo TX-SR383
          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. resolution on Component video connectors. resolution on Component video connectors.
        • Onkyo TX-SR309
          Inputs:           2   Outputs: 1.
        • Onkyo TX-SR383
          Inputs:           0   Outputs: 0.

        Front A/V Inputs

        • Onkyo TX-SR309: USB, Composite Video, RCA Audio
        • Onkyo TX-SR383: USB

        Onkyo TX-SR309

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        Onkyo TX-SR383

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        TERMINALS Onkyo TX-SR309 Onkyo TX-SR383
        HDMI Inputs34
        HDMI Outputs11
        8K Inputs
        USB Input1 Front1 (Front)
        USB DC Out Port
        Optical Inputs21
        Optical Outputs
        Coaxial Inputs11
        RCA Line Inputs6 (1 front)3
        RCA Line Outputs1
        XLR Line Inputs
        Phono Input
        Multi-Channel Input
        RCA Pre-Outs0.10.2
        XLR Pre-outs
        Composite Video Inputs5 (1 front)2
        Composite Video Outputs21
        S-Video Inputs
        S-Video Outputs
        Component Video Inputs2
        Component Video Outputs1

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        Onkyo TX-SR383
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        11. Evaluations

        We evaluated Onkyo TX-SR309 and Onkyo TX-SR383 and gave them scores of 60 and 76 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-SR309

        Onkyo TX-SR383

        OVERALL
        60
        OVERALL
        76

        Amplifier

        GOOD
        71
        •   Few Channels - 5.1
        •   Low Power Output - 65 W
        GOOD
        71
        •   7.2 Channels
        •   Low Power Output - 80 W

        Audio Features

        AVERAGE
        64
        •   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
        GOOD
        83
        •   7.2 Channels
        •   No Front Wide Channel Support
        •   7.1 Channel Processing
        •   Dolby Atmos
        •   No Dolby Atmos Height Virtualization
        •   DTS:X
        •   No IMAX Enhanced
        •   No Auro 3D with Auro-Matic Upmixer
        •   DSD via HDMI

        Video Features

        POOR
        46
        •   No HDR10
        •   No HDR10+
        •   No Dolby Vision
        •   No 8K Passthrough
        EXCELLENT
        90
        •   HDR10
        •   No HDR10+
        •   Dolby Vision
        •   No 8K Passthrough

        Connectivity

        AVERAGE
        61
        •   No eARC
        •   No Wi-Fi
        •   No Bluetooth
        •   Does not Work with Amazon Alexa
        •   3 HDMI Inputs
        •   1 HDMI Outputs
        •   0 8K Input
        •   USB Input
        •   Many RCA Line Inputs
        •   No Phono Input
        •   No RCA Pre-Outs
        •   Composite Video Inputs
        •   Component Video Inputs
        •   No Ethernet
        AVERAGE
        62
        •   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

        AVERAGE
        55
        •   No Zones
        GOOD
        77
        •   2 Zones

        Radio

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

        12. Specifications

        GENERAL Onkyo TX-SR309 Onkyo TX-SR383
        BrandOnkyoOnkyo
        ModelTX-SR309TX-SR383
        TypeA/V ReceiverA/V Receiver
        CountryUSANorth America
        Release Year20112018
        PredecessorOnkyo TX-SR373
        SuccessorOnkyo TX-SR313 Onkyo TX-SR393
        AMPLIFIER Onkyo TX-SR309 Onkyo TX-SR383
        Channels5.17.2
        Power Output65 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
        Dynamic Audio Amplification
        Non-Phase Shift Amplifier
        WRAT (Wide Range Amplifier Technology)
        VLSC (Vector Linear Shaping Circuitry)
        Optimum Gain Volume Circuitry
        THX™ Certification
        Continuous 6 Ω Rated
        Certified 4 Ω Performance
        Discrete Output Stage Circuitry
        3-Stage Inverted Darlington Circuitry
        PUSH-PULL Design
        Independent Block Construction (Amp/Preprocessor)
        Bi-amp Capability
        BTL (Bridged Transless or Bridging)
        AUDIO FEATURES Onkyo TX-SR309 Onkyo TX-SR383
        Digital Processing Crossover Network
        Digital Signal Processing (DSP) EngineAdvanced 32-Bit Processing DSP Chip
        DACBurr-Brown
        DAC Specs192 kHz/24 Bit192 kHz/24 Bit
        Maximum Channel Processing5.17.1
        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
        Music Playback via USBFLAC, WMA, MP3, AACWMA, MP3, AAC
        High Resolution Music Playback via USB and/or Network
        High Resolution Audio Formats via USB
        Gapless Playback
        DSD via HDMI 2-ch/Multi-ch Input 2-ch
        DSD via USB
        DSD to PCM Converter
        USB DAC
        Jitter Reduction PLL (Phase Locked Loop) Jitter-Cleaning Circuit Technology for S/PDIF Audio
        DTS Dialogue Control
        Dialog Enhancement
        Dialog Level Adjustment
        Dialog normalization
        Dialogue Lift
        Tone Control Front L/R Channels Front L/R Channels
        Compressed Music Enhancer Advanced Music Optimizer 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)
        Independent Subwoofer Outputs
        CALIBRATION Onkyo TX-SR309 Onkyo TX-SR383
        Auto Speaker Calibration System with Mic. AccuEQ
        VIDEO FEATURES Onkyo TX-SR309 Onkyo TX-SR383
        HDR10
        HDR10+
        Dynamic HDR
        BT.2020 color space
        Dolby Vision
        HLG (Hybrid Log Gamma)
        HDBaseT Compatible
        Enhanced Audio Return Channel (eARC)
        HDCP Version2.2
        QMS (Quick Media Switching)
        ALLM (Auto Low Latency Mode)
        VRR (Variable Refresh Rate)
        QFT (Quick Frame transport)
        3-D Ready
        Video Signal Passthroughup to 1080pup to 4K/60p (4:4:4)
        Video Signal Upscaling
        Analog To HDMI Upconversion
        Component Video Upscaling
        Analog to Analog Video conversion
        isf Certified Calibration Control
        CONNECTIVITY Onkyo TX-SR309 Onkyo TX-SR383
        Wi-Fi
        Bluetooth SBC, AAC
        Works with Amazon Alexa
        Chromecast Built-In
        Works with SonoS
        DTS Play-Fi
        MHL Input
        DLNA 1.5
        AirPlay
        Apple Product Connection iPod and iPhone via USB or optional DS-A4 Dock (sold separately)
        Remote App
        InstaPrevue Input Source Prevue
        TERMINALS Onkyo TX-SR309 Onkyo TX-SR383
        HDMI Inputs34
        HDMI Outputs11
        8K Inputs
        USB Input1 Front1 (Front)
        USB DC Out Port
        Optical Inputs21
        Optical Outputs
        Coaxial Inputs11
        RCA Line Inputs6 (1 front)3
        RCA Line Outputs1
        XLR Line Inputs
        Phono Input
        Multi-Channel Input
        RCA Pre-Outs0.10.2
        XLR Pre-outs
        Composite Video Inputs5 (1 front)2
        Composite Video Outputs21
        S-Video Inputs
        S-Video Outputs
        Component Video Inputs2
        Component Video Outputs1
        Ethernet
        Ethernet Switch
        PC In
        Front A/V InputsUSB, Composite Video, RCA AudioUSB
        Speaker A/B
        Headphone Out6.3 mm (1/4")6.3 mm (1/4")
        Detachable Power Cord
        uport
        ZONES Onkyo TX-SR309 Onkyo TX-SR383
        Number of Zones12
        Powered Zones 2
        Zone 2 Outs
        Whole House Mode
        RS-232C Interface
        +12V Trigger Output0
        Remote (IR) Input/Output0 / 0
        MISCELLANEOUS Onkyo TX-SR309 Onkyo TX-SR383
        On-Screen Display Basic Overlay via HDMI
        ONKYO-RI System Control
        RIHD (Remote Interactive Over HDMI)
        Pre-Pro/Learning Remote /
        On Screen Remote Programming
        Bi-directional Remote Setup via GUI
        Activity Based Remote
        Smart Grid-Ready
        RADIO Onkyo TX-SR309 Onkyo TX-SR383
        Analog Tuner FM/AM FM/AM
        Presets4030
        Digital Radio
        Internet Radio
        Pandora
        Spotify
        Tidal
        Deezer
        Napster
        SiriusXM
        CONSTRUCTION Onkyo TX-SR309 Onkyo TX-SR383
        Solid Aluminum Front
        Speaker Terminals77
        Large Speaker Terminals02
        Color-Coded Speaker Terminals
        Transparent High-Grade Speaker Terminals
        Gold plated RCA terminals
        POWER Onkyo TX-SR309 Onkyo TX-SR383
        Power SupplyAC 120 V, 60 HzAC 120 V, 60 Hz
        Independent Power Supply
        H.C.P.S. (High Current Power Supply) Massive High Power Transformer
        Toroidal Transformer
        Power Consumption3.3 A270 W
        No Sound Power40 W
        Standby Power0.2 W0.2 W
        PHYSICAL Onkyo TX-SR309 Onkyo TX-SR383
        Dimensions (W x H x D)435 mm x 150 mm x 328 mm
        17-1/8" x 5-7/8" x 12-15/16"        		435 mm x 168 mm x 326.5 mm
        17" x 6-1/2" x 13"
        Weight7.5 kg (16.5 lbs)8.2 kg (18.1 lb 10 oz)
        SPECIFICATIONS Onkyo TX-SR309 Onkyo TX-SR383
        Power Output (8 Ω, 20 Hz - 20 kHz, 2 channel driven, FTC)65 W (0.7% THD)80 W (0.08% THD)
        Power Output (6 Ω, 1 kHz, 2 channel driven, FTC)90 W (0.9% THD)
        Maximum Effective Power Output (6 Ω, 1 kHz, 1 channel driven, JEITA or IEC)120 W155 W (10% THD)
        Rated Power Output (6 Ω, 1 kHz, 1 channel driven, IEC)100 W (1% THD)
        Dynamic Power per Channel (3 Ω, Front)160 W
        Dynamic Power per Channel (4 Ω, Front)125 W
        Dynamic Power per Channel (8 Ω, Front)85 W
        THD0.08% (20 Hz - 20 kHz, Half power)0.06% (20 Hz - 20 kHz, 1 Channel Driven, 50 W)
        Damping Factor60 (Front, 1 kHz, 8 Ω)
        Input Sensitivity and Impedance (Line)200 mV/47 kΩ (Line)200 mV/47 kΩ
        Rated Lineout Level and Impedance200 mV/2.2 kΩ (REC OUT)
        Maximum Lineout Level and Impedance2 V/2.2 kΩ (REC OUT)
        S/N Ratio (Line, IHF-A)100 dB106 dB
        Frequency Response (Analog In)20 Hz - 50 kHz/+1 dB, -3 dB (DSP bypass)5 Hz - 100 kHz/0 dB, -3 dB (Direct)
        DSD Sampling Rates via HDMI2.8 MHz2.8 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)
        Video Frequency Response5 Hz - 100 MHz/+0 dB, -3 dB (Component)
        Ethernet Standard
        Bluetooth Version3.0
        Bluetooth Frequency2.4 GHz
        USB TerminalVer. 2.0, 5 V, 1 A
        FM Frequency87.5 MHz - 107.9 MHz87.5 MHz - 107.9 MHz
        AM Frequency522/530 kHz - 1611/1710 kHz530 kHz - 1710 kHz
        Warranty2 Years2 Years

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

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