Denon AVR-S640H vs Sony STR-DN1080

      Denon AVR-S640H

      Sony STR-DN1080
      80
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      80
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      USA and Canada Europe
      Oceania
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      Highlights

      • 5.2 Channels
      • 5.1 Channel Processing
      • 75 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven)
      • HDR10, Dolby Vision
      • 4K/60Hz Passthrough
      • Wi-Fi, Bluetooth, Ethernet
      • Phono Input

      Highlights

      • 7.2 Channels
      • 7ch + Phantom 2ch Channel Processing
      • 100 W (6 Ω, 20 Hz - 20 kHz, 2 channel driven)
      • Dolby Atmos, DTS:X
      • HDR10, Dolby Vision
      • 4K/60Hz Passthrough
      • Wi-Fi, Bluetooth, Ethernet

      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 Denon AVR-S640H
      4. Advantage of Sony STR-DN1080
      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 Denon AVR-S640H to Sony STR-DN1080 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 Denon AVR-S640H has 5 channel and the Sony STR-DN1080 has 7 channel amplifiers with Denon AVR-S640H's being less powerful.


      Denon AVR-S640H Sony STR-DN1080

      Denon AVR-S640H was introduced in 2018. It is equipped with 5 channel amplifier with 75 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.

      Sony STR-DN1080 was introduced in 2017. It is equipped with 7 channel amplifier with 100 W (6 Ω, 20 Hz - 20 kHz, 2 channel driven) power per channel and is capable of 7ch + Phantom 2ch maximum channel processing. It supports Dolby Atmos and DTS:X, passes 4K/60Hz video signal.

      We evaluated Denon AVR-S640H and Sony STR-DN1080 and gave both of them the score of 80 out of 100. Our ranking system is based on the amplifier specifications, audio and video features, connectivity, multizone capabilities, radio and many other details.

      Denon AVR-S640H

      Sony STR-DN1080

      Amplifier
      84
      Amplifier
      69
      Audio Features
      66
      Audio Features
      86
      Video Features
      94
      Video Features
      94
      Connectivity
      82
      Connectivity
      80
      Zones
      55
      Zones
      81
      Radio
      96
      Radio
      58
      OVERALL
      80
      OVERALL
      80

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

      2. Pros and Cons

      In this section we present pros and cons of Denon AVR-S640H and Sony STR-DN1080.

      PROS

      Denon AVR-S640H

      Sony STR-DN1080

      •   Auto Speaker Calibration System with Mic.
      •   HDR10
      •   Dolby Vision
      •   New HDCP Version
      •   Auto Low Latency Mode Pass-through
      •   Wi-Fi
      •   Bluetooth
      •   Works with Amazon Alexa
      •   HEOS
      •   USB Input
      •   Phono Input
      •   Composite Video Inputs
      •   Ethernet
      •   Analog Tuner
      •   Pandora
      •   Spotify
      •   Tidal
      •   Dolby Atmos
      •   DTS:X
      •   DSD via HDMI
      •   Auto Speaker Calibration System with Mic.
      •   HDR10
      •   Dolby Vision
      •   eARC
      •   New HDCP Version
      •   Wi-Fi
      •   Bluetooth
      •   Chromecast Built-In
      •   USB Input
      •   Composite Video Inputs
      •   Ethernet
      •   Analog Tuner
      •   Spotify

      CONS

      Denon AVR-S640H

      Sony STR-DN1080

      •   Few Channels - 5.2
      •   Low Power Output - 75 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 DSD via HDMI
      •   No HDR10+
      •   No eARC
      •   No 8K Passthrough
      •   1 HDMI Outputs
      •   0 8K Input
      •   Few RCA Line Inputs
      •   No RCA Pre-Outs
      •   No Zones
      •   No Digital Radio
      •   Bluetooth 3․0 + EDR
      •   No Front Wide Channel Support
      •   No Dolby Atmos Height Virtualization
      •   No IMAX Enhanced
      •   No Auro 3D with Auro-Matic Upmixer
      •   No 360 Reality Audio
      •   No HDR10+
      •   No 8K Passthrough
      •   Does not Work with Amazon Alexa
      •   0 8K Input
      •   No Phono Input
      •   No RCA Pre-Outs
      •   No Digital Radio
      •   No Pandora
      •   No Tidal


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

      AVERAGE

      Denon AVR-S640H

      Sony STR-DN1080

      •   5 HDMI Inputs
      •   7.2 Channels
      •   Power Output - 100 W
      •   7ch + Phantom 2ch Channel Processing
      •   6 HDMI Inputs
      •   3 HDMI Outputs
      •   RCA Line Inputs
      •   2 Zones
      •   Bluetooth 4․1

      3. Advantage of Denon AVR-S640H

      This section shows those features and specifications which are the reason to choose Denon AVR-S640H over Sony STR-DN1080.

      Check the Price

      Denon AVR-S640H
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      Denon AVR-S640H vs Sony STR-DN1080
      Certified 4 Ω Performance vs
      Dolby Pro Logic PLII vs
      DTS Neo Neo:6 vs
      Audyssey Dynamic EQ vs
      Audyssey Dynamic Volume vs
      Auto Low Latency Mode Pass-through vs
      Works with Amazon Alexa vs
      AirPlay AirPlay 2 vs AirPlay
      More Optical Inputs 2 vs 1
      Phono Input vs
      Analog Tuner FM/AM vs FM
      Pandora vs
      Tidal vs
      Deezer vs
      Napster vs
      SiriusXM vs
      Color-Coded Speaker Terminals vs
      Bigger Power Supply 340 W vs 240 W
      Longer Warranty 3 Years vs 2 Years

      4. Advantage of Sony STR-DN1080

      This section shows those features and specifications which are the reason to choose Sony STR-DN1080 over Denon AVR-S640H.

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      Sony STR-DN1080
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      Denon AVR-S640H vs Sony STR-DN1080
      More Channels 5.2 vs 7.2
      Higher Power Output 75 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven) vs 100 W (6 Ω, 20 Hz - 20 kHz, 2 channel driven)
      Bi-amp capability vs
      More Channel Processing 5.1 vs 7ch + Phantom 2ch
      Dolby Atmos vs up to 5.1.2 plus 2 phantom rear surround channels
      Dolby Surround Upmixer vs
      DTS:X vs up to 5.1.2 plus 2 phantom rear surround channels
      DTS Neural:X vs
      DTS-ES vs Discrete 6.1, Matrix 6.1
      Network Audio Formats MP3, WMA, MPEG-4 AAC, Apple Lossless, WAV, FLAC, DSD vs WAV, FLAC, AIFF, DSD, MP3, WMA, LPCM, Dolby Digital, Apple Lossless, OGG, APE
      Music Playback via USB MP3, WMA, AAC, Apple Lossless, WAV, FLAC, DSD vs WAV, FLAC, AIFF, DSD, MP3, WMA, LPCM, Dolby Digital, Apple Lossless, OGG, APE
      DSD via HDMI vs 2-ch/Multi-ch Input
      Dialogue Lift vs Center Speaker Lift Up
      High-resolution Music Enhancer vs DSEE HX
      Enhanced Audio Return Channel (eARC) vs
      Chromecast Built-In vs
      More HDMI Inputs 5 vs 6
      More HDMI Outputs 1 vs 2 (1 Main, 1 Sub/Zone2)
      More RCA Line Inputs 2 vs 4
      Speaker A/B vs
      More Zones 1 vs 2
      Remote (IR) Input/Output 0 / 0 vs 1 / 1
      More Speaker Terminals 5 vs 9
      More Large Speaker Terminals 5 vs 9
      Higher Power Output (6 Ω, 1 kHz, 2 channel driven, FTC) 100 W (0.7% THD) vs 120 W (0.9% THD)
      Higher S/N Ratio (Line, IHF-A) 98 dB vs 105 dB (500 mV)
      Newer Bluetooth Version 3․0 + EDR vs 4․1

      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 Denon AVR-S640H Sony STR-DN1080
        Auto Speaker Calibration System with Mic. Audyssey MultEQ D.C.A.C. EX
        HDR10
        Dolby Vision
        New HDCP Version2.22.2
        Wi-Fi
        Bluetooth SBC SBC, AAC, LDAC
        USB Input1 Front for USB memory1 (Front)
        Composite Video Inputs22
        Ethernet
        Analog Tuner FM/AM FM
        Spotify
      WEAKNESSES Denon AVR-S640H Sony STR-DN1080
        No Dolby Atmos Height Virtualization
        No IMAX Enhanced
        No Auro 3D with Auro-Matic Upmixer
        No HDR10+
        No 8K Passthroughup to 4K 50/60Hz 4:4:4up to 4K/60p (YCbCr4:4:4)
        Few 8K Inputs
        No RCA Pre-Outs0.20.2
        No Digital Radio

      6. Amplifier

      Denon AVR-S640H Sony STR-DN1080

      5 channel Amplifier: Denon AVR-S640H features 5 channel power amplifier. It is rated at 75 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven) and is able to drive 4 ohm speakers.

      7 channel Amplifier: Sony STR-DN1080 features 7 channel power amplifier. It is rated at 100 W (6 Ω, 20 Hz - 20 kHz, 2 channel driven).


        AMPLIFIER Denon AVR-S640H Sony STR-DN1080
        Channels5.27.2
        Power Output75 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven)100 W (6 Ω, 20 Hz - 20 kHz, 2 channel driven)
        THX™ Certification
        Continuous 6 Ω Rated
        Certified 4 Ω Performance
        Bi-amp Capability

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        Denon AVR-S640H
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        7. Speaker Configurations

        Denon AVR-S640H's and Sony STR-DN1080's amplifiers can be assigned for different speaker configurations.

        • Dolby Atmos Configurations: The following speaker configurations are supported for Dolby Atmos:
        • Denon AVR-S640H: Not supported.
        • Sony STR-DN1080: 5.2.2 with internal amplifier.
        • DTS:X Configurations: The following speaker configurations are supported for DTS:X:
        • Denon AVR-S640H: Not supported.
        • Sony STR-DN1080: 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:
        • Denon AVR-S640H: 5.2 with internal amplifier.
        • Sony STR-DN1080: 5.2, 7.2 with internal amplifier.
        • Bi-Amp: Sony STR-DN1080 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

        Sony STR-DN1080 supports Dolby Atmos.

        • Dolby Surround Upmixer: Sony STR-DN1080 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

        Sony STR-DN1080 supports DTS:X.

        • DTS Neural:X: Sony STR-DN1080 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 Denon AVR-S640H Sony STR-DN1080
        Dolby Atmos up to 5.1.2 plus 2 phantom rear surround channels
        Dolby Atmos Height Virtualization
        Dolby Atmos Music
        Dolby TrueHD
        Dolby Digital Plus
        Dolby Surround Upmixer
        Dolby Pro Logic PLII
        Dolby Digital EX
        Surround EX
        DTS:X up to 5.1.2 plus 2 phantom rear surround channels
        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 Discrete 6.1, Matrix 6.1
        IMAX Enhanced
        Auro 3D with Auro-Matic Upmixer

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        Sony STR-DN1080
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        9. HDMI

        Denon AVR-S640H comes with 5 HDMI inputs. It has 1 output.

        Sony STR-DN1080 comes with 6 HDMI inputs. It has 2 outputs - 1 Main and 1 Sub/Zone2.

        • 4K/60Hz Passthrough: On both receivers all inputs pass up to 4K 50/60Hz 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 both models).
        • 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)

        Both receivers support 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.


        Enhanced Audio Return Channel (eARC)

        Sony STR-DN1080 supports Audio Return Channel (ARC) which 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.


        Gaming Features

        Denon AVR-S640H supports Auto Low Latency Mode (ALLM) for lag-free and smooth gaming.



        VIDEO FEATURES Denon AVR-S640H Sony STR-DN1080
        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 50/60Hz 4:4:4up to 4K/60p (YCbCr4:4:4)
        Video Signal Upscaling

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        Denon AVR-S640H
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        10. Inputs and Outputs

        Audio

        • Phono Input: There is an MM phono input on Denon AVR-S640H with built-in phono stage for connecting the moving magnet cartridge output of the turntable directly to the receiver.
        • Analog Line Inputs: There are 2 pair of line inputs on Denon AVR-S640H and 4 pair of line inputs on Sony STR-DN1080 for connecting sources with analog outputs.
        • Digital Inputs: 2 optical inputs and 1 coaxial input are available on Denon AVR-S640H and 1 optical input and 1 coaxial input are available on Sony STR-DN1080 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:
        • Denon AVR-S640H
          Inputs:           5   Outputs: 1
          8K Inputs: 0.
        • Sony STR-DN1080
          Inputs:           6   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.
        • Denon AVR-S640H
          Inputs:           2   Outputs: 1.
        • Sony STR-DN1080
          Inputs:           2   Outputs: 1.

        Front A/V Inputs

        • Denon AVR-S640H: USB
        • Sony STR-DN1080: USB

        Denon AVR-S640H

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        Sony STR-DN1080

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        TERMINALS Denon AVR-S640H Sony STR-DN1080
        HDMI Inputs56
        HDMI Outputs12 (1 Main, 1 Sub/Zone2)
        8K Inputs
        USB Input1 Front for USB memory1 (Front)
        USB DC Out Port
        Optical Inputs21
        Optical Outputs
        Coaxial Inputs11
        RCA Line Inputs24
        RCA Line Outputs
        XLR Line Inputs
        Phono Input
        Multi-Channel Input
        RCA Pre-Outs0.20.2
        XLR Pre-outs
        Composite Video Inputs22
        Composite Video Outputs11
        S-Video Inputs
        S-Video Outputs
        Component Video Inputs
        Component Video Outputs

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        Sony STR-DN1080
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        11. Evaluations

        We evaluated Denon AVR-S640H and Sony STR-DN1080 and gave both of them the score of 80 out of 100. 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.


        Denon AVR-S640H

        Sony STR-DN1080

        OVERALL
        80
        OVERALL
        80

        Amplifier

        GOOD
        84
        •   Few Channels - 5.2
        •   Low Power Output - 75 W
        AVERAGE
        69
        •   7.2 Channels
        •   Power Output - 100 W

        Audio Features

        AVERAGE
        66
        •   Few Channels - 5.2
        •   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 DSD via HDMI
        EXCELLENT
        86
        •   7.2 Channels
        •   No Front Wide Channel Support
        •   7ch + Phantom 2ch Channel Processing
        •   Dolby Atmos
        •   No Dolby Atmos Height Virtualization
        •   DTS:X
        •   No IMAX Enhanced
        •   No Auro 3D with Auro-Matic Upmixer
        •   No 360 Reality Audio
        •   DSD via HDMI

        Video Features

        EXCELLENT
        94
        •   HDR10
        •   No HDR10+
        •   Dolby Vision
        •   Auto Low Latency Mode Pass-through
        •   No 8K Passthrough
        EXCELLENT
        94
        •   HDR10
        •   No HDR10+
        •   Dolby Vision
        •   No 8K Passthrough

        Connectivity

        GOOD
        82
        •   No eARC
        •   New HDCP Version
        •   Wi-Fi
        •   Bluetooth
        •   Works with Amazon Alexa
        •   HEOS
        •   5 HDMI Inputs
        •   1 HDMI Outputs
        •   0 8K Input
        •   USB Input
        •   Few RCA Line Inputs
        •   Phono Input
        •   No RCA Pre-Outs
        •   Composite Video Inputs
        •   Ethernet
        •   Bluetooth 3․0 + EDR
        GOOD
        80
        •   eARC
        •   New HDCP Version
        •   Wi-Fi
        •   Bluetooth
        •   Does not Work with Amazon Alexa
        •   Chromecast Built-In
        •   6 HDMI Inputs
        •   3 HDMI Outputs
        •   0 8K Input
        •   USB Input
        •   RCA Line Inputs
        •   No Phono Input
        •   No RCA Pre-Outs
        •   Composite Video Inputs
        •   Ethernet
        •   Bluetooth 4․1

        Zones

        AVERAGE
        55
        •   No Zones
        GOOD
        81
        •   2 Zones

        Radio

        EXCELLENT
        96
        •   Analog Tuner
        •   Pandora
        •   Spotify
        •   Tidal
        AVERAGE
        58
        •   Analog Tuner
        •   No Pandora
        •   Spotify
        •   No Tidal

        12. Specifications

        GENERAL Denon AVR-S640H Sony STR-DN1080
        BrandDenonSony
        ModelAVR-S640HSTR-DN1080
        TypeA/V ReceiverA/V Receiver
        CountryUSAOceania
        Release Year20182017
        PredecessorSony STR-DN1070
        SuccessorDenon AVR-S650H Sony STR-AN1000
        AMPLIFIER Denon AVR-S640H Sony STR-DN1080
        Channels5.27.2
        Power Output75 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven)100 W (6 Ω, 20 Hz - 20 kHz, 2 channel driven)
        Front Wide Channel Support
        Discrete Amplification
        THX™ Certification
        Continuous 6 Ω Rated
        Certified 4 Ω Performance
        Mono Block Power Amplifier Construction
        Bi-amp Capability
        AUDIO FEATURES Denon AVR-S640H Sony STR-DN1080
        DAC Specs192 kHz/24 Bit
        Maximum Channel Processing5.17ch + Phantom 2ch
        D.D.S.C. HD Digital
        Alpha Processing
        Air Studios Monitor Certification
        Dolby Atmos up to 5.1.2 plus 2 phantom rear surround channels
        Dolby Atmos Height Virtualization
        Dolby Atmos Music
        Dolby TrueHD
        Dolby Digital Plus
        Dolby Surround Upmixer
        Dolby Pro Logic PLII
        Dolby Digital EX
        Surround EX
        DTS:X up to 5.1.2 plus 2 phantom rear surround channels
        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 Discrete 6.1, Matrix 6.1
        IMAX Enhanced
        Auro 3D with Auro-Matic Upmixer
        360 Reality Audio
        PCM 2-ch/Multi-ch Input 2-ch/Multi-ch Input
        Network Audio FormatsMP3, WMA, MPEG-4 AAC, Apple Lossless, WAV, FLAC, DSDWAV, FLAC, AIFF, DSD, MP3, WMA, LPCM, Dolby Digital, Apple Lossless, OGG, APE
        Music Playback via USBMP3, WMA, AAC, Apple Lossless, WAV, FLAC, DSDWAV, FLAC, AIFF, DSD, MP3, WMA, LPCM, Dolby Digital, Apple Lossless, OGG, APE
        High Resolution Music Playback via USB and/or Network up to 192 kHz up to 192 kHz
        High Resolution Audio Formats via USBApple Lossless, WAV, FLAC, DSDWAV, FLAC, AIFF, DSD
        Gapless Playback
        DSD via HDMI 2-ch/Multi-ch Input
        DSD via USB 2-ch Input 2-ch Input
        DSD to PCM Converter
        USB DAC
        Jitter Reduction
        DTS Dialogue Control
        Dialog Enhancement
        Dialog Level Adjustment
        Dialog normalization
        Dialogue Lift Center Speaker Lift Up
        Digital Legato Linear
        In-Ceiling Speaker Mode
        OP Processing
        Sound Optimizer
        Tone Control All Channels
        Compressed Music Enhancer
        High-resolution Music Enhancer DSEE HX
        Audyssey Dynamic EQ
        Audyssey Dynamic Volume
        Audyssey LFC
        Audyssey Sub EQ HT
        Audyssey DSX
        Direct Mode
        Pure Direct Mode
        Independent Subwoofer Outputs
        CALIBRATION Denon AVR-S640H Sony STR-DN1080
        Auto Speaker Calibration System with Mic. Audyssey MultEQ D.C.A.C. EX
        Calibration MicrophoneStereo
        Speaker Relocation
        Automatic Phase Matching
        Optimized Bass Redirection
        Bass Sync
        VIDEO FEATURES Denon AVR-S640H Sony STR-DN1080
        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 50/60Hz 4:4:4up to 4K/60p (YCbCr4:4:4)
        Video Signal Upscaling
        Analog To HDMI Upconversion
        Component Video Upscaling
        Analog to Analog Video conversion
        isf Certified Calibration Control
        CONNECTIVITY Denon AVR-S640H Sony STR-DN1080
        Wi-Fi
        Bluetooth SBC SBC, AAC, LDAC
        Bluetooth Headphone Transmission
        Works with Amazon Alexa
        Chromecast Built-In
        Works with SonoS
        HEOS
        DTS Play-Fi
        MHL Input
        DLNA 1.5
        Music Connect
        Remote Monitoring with ihiji
        AirPlay AirPlay 2 AirPlay
        Apple Product Connection iPod, iPhone and iPad iPod, iPhone and iPad
        Remote App Denon 2016 AVR Remote App for iOS and Android devices and Kindle Fire
        InstaPrevue Input Source Prevue
        TERMINALS Denon AVR-S640H Sony STR-DN1080
        HDMI Inputs56
        HDMI Outputs12 (1 Main, 1 Sub/Zone2)
        8K Inputs
        USB Input1 Front for USB memory1 (Front)
        USB DC Out Port
        Optical Inputs21
        Optical Outputs
        Coaxial Inputs11
        RCA Line Inputs24
        RCA Line Outputs
        XLR Line Inputs
        Phono Input
        Multi-Channel Input
        RCA Pre-Outs0.20.2
        XLR Pre-outs
        Composite Video Inputs22
        Composite Video Outputs11
        S-Video Inputs
        S-Video Outputs
        Component Video Inputs
        Component Video Outputs
        Ethernet
        Ethernet Switch
        PC In
        Front A/V InputsUSBUSB
        Speaker A/B
        Headphone Out6.3 mm (1/4")6.3 mm (1/4")
        Detachable Power Cord
        ZONES Denon AVR-S640H Sony STR-DN1080
        Number of Zones12
        Powered Zones 2
        Zone 2 OutsHDMI, RCA Pre/Line Out
        RS-232C Interface
        +12V Trigger Output0
        Remote (IR) Input/Output0 / 01 / 1
        MISCELLANEOUS Denon AVR-S640H Sony STR-DN1080
        On-Screen Display Hybrid Graphic User Interface Graphical User Interface
        GUI Languages33
        Control4 SDDP
        Display 1 line
        Remote ControllerRC-1226
        Pre-programmed / Learnable / LCD Display / /
        Denon Link HD
        Setup Assistant
        Quick Select plus / Quick Select /
        RADIO Denon AVR-S640H Sony STR-DN1080
        Analog Tuner FM/AM FM
        Presets30 (30/-)
        Digital Radio
        Internet Radio TuneIn
        Pandora
        Spotify
        Tidal
        Deezer
        Napster
        SiriusXM
        CONSTRUCTION Denon AVR-S640H Sony STR-DN1080
        Front Panelnot Metal
        Speaker Terminals59
        Large Speaker Terminals59
        Color-Coded Speaker Terminals
        Transparent High-Grade Speaker Terminals
        High Grade Audio Components
        Gold plated RCA terminals
        POWER Denon AVR-S640H Sony STR-DN1080
        Power SupplyAC 120 V, 60 HzAC 230 V, 50 Hz
        Power Consumption340 W240 W
        Standby Power0.1 W0.4 W
        ECO Mode / Hybrid Standby Function
        Auto Power off
        PHYSICAL Denon AVR-S640H Sony STR-DN1080
        Dimensions (W x H x D)434 mm x 151 mm x 339 mm (with antenna: 434 mm x 215 mm x 339 mm)
        17 1/8" x 6" x 13 3/8" (with antenna: 17 1/8" x 8 1/2" x 13 3/8")        		430 mm x 156 mm x 331 mm
        17" x 6-1/4" x 13-1/8"
        Weight7.8 kg (17 lbs 3 oz)9.7 kg (21 lbs. 6 oz.)
        SPECIFICATIONS Denon AVR-S640H Sony STR-DN1080
        Power Output (8 Ω, 20 Hz - 20 kHz, 2 channel driven, FTC)75 W (0.08% THD)
        Power Output (6 Ω, 20 Hz - 20 kHz, 2 channel driven)100 W (0.09% THD)
        Power Output (6 Ω, 1 kHz, 2 channel driven, FTC)100 W (0.7% THD)120 W (0.9% THD)
        Power Output (6 Ω, 1 kHz, 1 channel driven, FTC)165 W (0.9% THD)
        Maximum Effective Power Output (6 Ω, 1 kHz, 1 channel driven, JEITA or IEC)150 W (10% THD)
        Phono Distortion0.03% (1 kHz, 3 V)
        Input Sensitivity and Impedance (Line)200 mV/47 kΩ500 mV/50 kΩ
        Input Sensitivity and Impedance (Phono MM)2.5 mV
        Rated Preout Level and Impedance2 V/1 kΩ (Zone2 and Subwoofer)
        S/N Ratio (Line, IHF-A)98 dB105 dB (500 mV)
        S/N Ratio (Phono MM, IHF-A)74 dB
        S/N Ratio (digital)100 dB (20 kHz LPF)
        Phono RIAA Deviation±1 dB (20-20 kHz)
        Frequency Response (Analog In)+1/-3 dB (10 Hz to 100 kHz, Direct mode)10 Hz - 100 kHz/+0.5 dB, -2 dB
        DSD Sampling Rates via HDMI2.8 MHz
        DSD Sampling Rates via USB5.6 MHz, 2.8 MHz2.8 MHz, 5.6 MHz
        Video Input Sensitivity/Output Level and Impedance 1 Vp-p/75 Ω (Composite)1 Vp-p/75 Ω (Composite)
        Video Frequency Response5 Hz to 10 MHz, 0 dB/-3 dB (Composite)
        Ethernet Standard100BASE-TX100BASE-TX
        Wi-Fi StandardIEEE 802.11 a/b/g/nIEEE 802.11 a/b/g/n
        Wi-Fi Terminal Frequency5 GHz, 2.4 GHz5 GHz, 2.4 GHz
        Bluetooth Version3․0 + EDR4․1
        Bluetooth Frequency2.4 GHz2.4 GHz
        USB TerminalUSB2.0 5V, 1 AType A, Ver. 2.0, 5 V, 1 A
        FM Frequency87.5 MHz - 107.9 MHz87.5 MHz - 108.0 MHz
        FM 50 dB Quiet Sensitivity (IHF, 1 kHz, 100% MOD.)Mono: 2.8 µV (20.2 dBf)
        FM Effective Sensitivity1.2 µV (12.8 dBf)
        FM S/N RatioMono/Stereo: 70 dB/67 dB
        FM Harmonic Distortion (IHF, 1 kHz)Mono/Stereo: 0.7%/1.0%
        AM Frequency520 kHz - 1710 kHz
        AM Effective Sensitivity18 µV
        Warranty3 Years2 Years

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

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