Denon AVR-S660H vs Yamaha RX-V4A

      Denon AVR-S660H

      Yamaha RX-V4A
      81
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      80
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      Highlights

      • 5.2 Channels
      • 5.1 Channel Processing
      • 75 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven)
      • HDMI 2.1
      • HDR10, HDR10+, Dolby Vision
      • 8K Passthrough, 8K Upscaling
      • Wi-Fi, Bluetooth, Ethernet
      • Phono Input

      Highlights

      • 5.2 Channels
      • 5.1 Channel Processing
      • 80 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven)
      • HDMI 2.1
      • HDR10, HDR10+, Dolby Vision
      • 8K Passthrough, 4K/60Hz Upscaling
      • 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-S660H
      4. Advantage of Yamaha RX-V4A
      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-S660H to Yamaha RX-V4A 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. Both receivers have 5 channel amplifiers with Denon AVR-S660H's being less powerful.


      Denon AVR-S660H Yamaha RX-V4A

      Denon AVR-S660H was introduced in 2021. 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 8K/60Hz and 4K/120Hz and upscales from 1080p and 4K up to 8K 50/60Hz and 4K 50/60Hz video signal.

      Yamaha RX-V4A was introduced in 2020. It is equipped with 5 channel amplifier with 80 W (8 Ω, 20 Hz - 20 kHz and 2 channel driven) power per channel and is capable of 5.1 maximum channel processing. It , passes 8K/60Hz and 4K/120Hz and upscales up to 4K 60p 4:4:4 video signal.

      We evaluated Denon AVR-S660H and Yamaha RX-V4A and gave them scores of 81 and 80 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.

      Denon AVR-S660H

      Yamaha RX-V4A

      Amplifier
      84
      Amplifier
      78
      Audio Features
      64
      Audio Features
      69
      Video Features
      99
      Video Features
      99
      Connectivity
      86
      Connectivity
      82
      Zones
      55
      Zones
      55
      Radio
      96
      Radio
      97
      OVERALL
      81
      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-S660H and Yamaha RX-V4A.

      PROS

      Denon AVR-S660H

      Yamaha RX-V4A

      •   Auto Speaker Calibration System with Mic.
      •   HDR10
      •   HDR10+
      •   Dolby Vision
      •   HDMI 2.1
      •   eARC
      •   New HDCP Version
      •   Auto Low Latency Mode Pass-through
      •   VRR
      •   QFT
      •   8K Passthrough
      •   8K Upscaling
      •   Wi-Fi
      •   Bluetooth
      •   Works with Amazon Alexa
      •   Google Assistant
      •   HEOS
      •   3 8K Inputs
      •   USB Input
      •   Phono Input
      •   Composite Video Inputs
      •   Ethernet
      •   Analog Tuner
      •   Pandora
      •   Spotify
      •   Tidal
      •   DSD via HDMI
      •   Auto Speaker Calibration System with Mic.
      •   HDR10
      •   HDR10+
      •   Dolby Vision
      •   HDMI 2.1
      •   eARC
      •   New HDCP Version
      •   Auto Low Latency Mode Pass-through
      •   VRR
      •   QFT
      •   8K Passthrough
      •   Wi-Fi
      •   Bluetooth
      •   Works with Amazon Alexa
      •   Google Assistant
      •   4 8K Inputs
      •   USB Input
      •   Ethernet
      •   Analog Tuner
      •   Pandora
      •   Spotify
      •   Tidal

      CONS

      Denon AVR-S660H

      Yamaha RX-V4A

      •   Few Channels - 5.2
      •   Low Power Output - 75 W
      •   No Front Wide Channel Support
      •   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
      •   1 HDMI Outputs
      •   Few RCA Line Inputs
      •   No RCA Pre-Outs
      •   No Zones
      •   No Digital Radio
      •   Few Channels - 5.2
      •   Low Power Output - 80 W
      •   No Front Wide Channel Support
      •   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
      •   4 HDMI Inputs
      •   1 HDMI Outputs
      •   Few RCA Line Inputs
      •   No Phono Input
      •   No RCA Pre-Outs
      •   No Composite Video Inputs
      •   No Zones
      •   No Digital Radio


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

      AVERAGE

      Denon AVR-S660H

      Yamaha RX-V4A

      •   6 HDMI Inputs
      •   Bluetooth 4․2
      •   Bluetooth 4․2

      3. Advantage of Denon AVR-S660H

      This section shows those features and specifications which are the reason to choose Denon AVR-S660H over Yamaha RX-V4A.

      Check the Price

      Denon AVR-S660H
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      Denon AVR-S660H vs Yamaha RX-V4A
      Certified 4 Ω Performance vs
      DTS Express vs
      Dialog Normalization vs
      Audyssey Dynamic EQ vs
      Audyssey Dynamic Volume vs
      Dynamic HDR vs
      Video Signal Upscaling from 1080p and 4K up to 8K 50/60Hz and 4K 50/60Hz vs up to 4K 60p 4:4:4
      More HDMI Inputs 6 vs 4
      More Optical Inputs 2 vs 1
      Phono Input vs
      More Composite Video Inputs 2 vs
      More Composite Video Outputs 1 vs
      Web Control vs
      Color-Coded Speaker Terminals vs
      Bigger Power Supply 340 W vs 260 W
      Higher Power Output (6 Ω, 1 kHz, 1 channel driven, JEITA) 150 W (10% THD) vs 145 W (10% THD)
      Wider AM Frequency Range 520 kHz - 1710 kHz vs 530 kHz - 1710 kHz
      Longer Warranty 3 Years vs 2 Years
      Check out other receivers which are frequently compared to Denon AVR-S660H.
      Denon AVR-S670H
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      5.2 channel

      75 W

      Yamaha RX-V6A
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      7.2 channel

      100 W

      Denon AVR-X1700H
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      7.2 channel

      80 W

      Denon AVR-S760H
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      7.2 channel

      75 W

      Yamaha RX-A2A
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      7.2 channel

      100 W

      Yamaha RX-A6A
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      9.2 channel

      150 W

      Yamaha RX-A4A
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      7.2 channel

      110 W

      Denon AVR-S570BT
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      5.2 channel

      70 W

      Denon AVC-S660H
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      5.2 channel

      75 W

      Denon AVR-X1800H
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      7.2 channel

      80 W

      Denon AVR-S970H
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      7.2 channel

      90 W

      Onkyo TX-NR6100
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      7.2 channel

      100 W

      4. Advantage of Yamaha RX-V4A

      This section shows those features and specifications which are the reason to choose Yamaha RX-V4A over Denon AVR-S660H.

      Check the Price

      Yamaha RX-V4A
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      Denon AVR-S660H vs Yamaha RX-V4A
      Higher Power Output 75 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven) vs 80 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven)
      Bi-amp capability vs
      Network Audio Formats MP3, WMA, MPEG-4 AAC, Apple Lossless, WAV, FLAC, DSD vs MP3, WMA, MPEG-4 AAC, Apple Lossless, WAV, FLAC, AIFF, DSD
      Music Playback via USB MP3, WMA, AAC, Apple Lossless, WAV, FLAC, DSD vs MP3, WMA, MPEG-4 AAC, Apple Lossless, WAV, FLAC, AIFF, DSD
      Higher Resolution Music Playback via USB up to 192 kHz vs up to 192 kHz/32 Bit
      High Resolution Audio Formats via USB Apple Lossless, WAV, FLAC, DSD vs Apple Lossless, WAV, FLAC, AIFF, DSD
      DSD via HDMI vs 2-ch/Multi-ch Input
      Dialog Level Adjustment vs
      QMS vs
      More 8K Inputs 3 vs 4
      More RCA Line Inputs 2 vs 3
      Higher Power Output (8 Ω, 20 Hz - 20 kHz, 2 channel driven, FTC) 75 W (0.08% THD) vs 80 W (0.06% THD)
      Higher S/N Ratio (Line, IHF-A) 98 dB vs 110 dB
      Higher DSD Sampling Rate via USB 5.6 MHz, 2.8 MHz vs 11.2 MHz, 5.6 MHz, 2.8 MHz
      Lower FM Harmonic Distortion (IHF, 1 kHz) Mono/Stereo: 0.7%/1.0% vs Mono/Stereo: 0.5%/0.6%
      Check out other receivers which are frequently compared to Yamaha RX-V4A.
      Yamaha RX-V6A
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      7.2 channel

      100 W

      Yamaha RX-A2A
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      7.2 channel

      100 W

      Yamaha RX-A4A
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      7.2 channel

      110 W

      Denon AVR-S670H
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      5.2 channel

      75 W

      Yamaha RX-A6A
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      9.2 channel

      150 W

      Yamaha RX-A8A
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      11.2 channel

      150 W

      Denon AVR-X1700H
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      7.2 channel

      80 W

      Onkyo TX-NR6100
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      7.2 channel

      100 W

      Denon AVR-S760H
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      7.2 channel

      75 W

      Integra DRX-8.4
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      11.4 channel

      150 W

      Denon AVR-S970H
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      7.2 channel

      90 W

      Denon AVR-X1800H
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      7.2 channel

      80 W

      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-S660H Yamaha RX-V4A
        Auto Speaker Calibration System with Mic. Audyssey MultEQ YPAO sound optimization
        HDR10
        HDR10+
        Dolby Vision
        HDMI Version2.12.1
        eARC
        New HDCP Version2.32.3
        Auto Low Latency Mode Pass-through
        VRR
        QFT
        8K Passthroughup to 8K 50/60Hz (YCbCr 4:2:0/8-bit) and 4K 100/120Hz (RGB/YCbCr 4:4:4/8, 10-bit and YCbCr 4:2:2/12-bit)up to 8K 50/60Hz and 4K 100/120Hz 4:4:4
        Wi-Fi
        Bluetooth SBC SBC, AAC
        Works with Amazon Alexa
        Google Assistant
        Many 8K Inputs34
        USB Input1 Front for USB memoryUSB memory, Portable Audio Player
        Ethernet
        Analog Tuner FM/AM FM/AM
        Pandora
        Spotify
        Tidal
      WEAKNESSES Denon AVR-S660H Yamaha RX-V4A
        Few Channels5.25.2
        Low Power Output75 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven)80 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven)
        No Front Wide Channel Support
        Channel Processing5.15.1
        No Dolby Atmos
        No Dolby Atmos Height Virtualization
        No DTS:X
        No IMAX Enhanced
        No Auro 3D with Auro-Matic Upmixer
        Few HDMI Outputs11
        Few RCA Line Inputs23
        No RCA Pre-Outs0.20.2
        No Zones11
        No Digital Radio

      6. Amplifier

      Denon AVR-S660H Yamaha RX-V4A

      5 channel Amplifier: Denon AVR-S660H 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.

      5 channel Amplifier: Yamaha RX-V4A features 5 channel power amplifier. It is rated at 80 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven).


        AMPLIFIER Denon AVR-S660H Yamaha RX-V4A
        Channels5.25.2
        Power Output75 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
        THX™ Certification
        Continuous 6 Ω Rated
        Certified 4 Ω Performance
        Bi-amp Capability

        Check the Price

        Denon AVR-S660H
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        7. Speaker Configurations

        Denon AVR-S660H's and Yamaha RX-V4A's amplifiers can be assigned for different speaker configurations.

        • Configurations: Available configurations are:
        • Denon AVR-S660H: 5.2 with internal amplifier.
        • Yamaha RX-V4A: 5.2 with internal amplifier.
        • Bi-Amp: Yamaha RX-V4A 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.

        Check the Price

        Yamaha RX-V4A
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        8. HDMI 2.1

        Denon AVR-S660H comes with 3 HDMI 2.1 inputs with 8K support and 3 inputs with 4K support. It has 1 output.

        Yamaha RX-V4A comes with 4 HDMI 2.1 inputs with 8K support. It has 1 output.

        • 8K/60Hz and 4K/120Hz Passthrough on Denon AVR-S660H: 3 out of 6 inputs pass up to 8K 50/60Hz (YCbCr 4:2:0/8-bit) and 4K 100/120Hz (RGB/YCbCr 4:4:4/8, 10-bit and YCbCr 4:2:2/12-bit) and the rest of the inputs pass up to 4K 50/60Hz 4:4:4 video signal.
          8K/60Hz and 4K/120Hz Passthrough on Yamaha RX-V4A: All inputs pass up to 8K 50/60Hz and 4K 100/120Hz 4:4:4 video signal.
        • 8K Upscaling on Denon AVR-S660H: It can upscale from 1080p and 4K up to 8K 50/60Hz and 4K 50/60Hz from HDMI sources.
          4K Upscaling on Yamaha RX-V4A: It can upscale up to 4K 60p 4:4:4 from HDMI sources.
        • 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 2.3 Copy Protection: Both receivers are HDCP 2.3 compliant which is a requirement for 4K/HDR copy-protected content transmission.
        • Quick Media Switching (QMS): With HDMI 2.1a, Quick Media Switching for movies and video uses the HDMI VRR mechanism to eliminate the blackout period when an HDMI Source device switches its video mode. As long as the resolution remains the same and only the frame rate changes, QMS will instantly switch between frame rates. QMS eliminates A/V blackouts by using VRR technology to change frame rates, allowing instant changes from 24Hz to 60Hz frame rate, and anywhere in-between. The viewer never sees blank screens and gets a seamless experience (available on Yamaha RX-V4A only).
        • 3D Ready: Both receivers are able to pass 3D video through HDMI.

        HDR (High Dynamic Range)

        Denon AVR-S660H supports HDR10, HDR10+, Dolby Vision, Dynamic HDR and Hybrid Log-Gamma.

        Yamaha RX-V4A supports HDR10, 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)

        Denon AVR-S660H and Yamaha RX-V4A support 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

        Both receivers support Auto Low Latency Mode (ALLM), Variable Refresh Rate (VRR) and Quick Frame Transport (QFT) for lag-free and smooth gaming.



        VIDEO FEATURES Denon AVR-S660H Yamaha RX-V4A
        HDR10
        HDR10+
        Dynamic HDR
        BT.2020 color space
        Dolby Vision
        HLG (Hybrid Log Gamma)
        HDMI Version2.12.1
        HDBaseT Compatible
        Enhanced Audio Return Channel (eARC)
        HDCP Version2.32.3
        QMS (Quick Media Switching)
        ALLM (Auto Low Latency Mode)
        VRR (Variable Refresh Rate)
        QFT (Quick Frame transport)
        3-D Ready
        Video Signal Passthroughup to 8K 50/60Hz (YCbCr 4:2:0/8-bit) and 4K 100/120Hz (RGB/YCbCr 4:4:4/8, 10-bit and YCbCr 4:2:2/12-bit)up to 8K 50/60Hz and 4K 100/120Hz 4:4:4
        Video Signal Upscaling from 1080p and 4K up to 8K 50/60Hz and 4K 50/60Hz up to 4K 60p 4:4:4

        Check the Price

        Denon AVR-S660H
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        9. Inputs and Outputs

        Audio

        • Phono Input: There is an MM phono input on Denon AVR-S660H 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-S660H and 3 pair of line inputs on Yamaha RX-V4A for connecting sources with analog outputs.
        • Digital Inputs: 2 optical inputs and 1 coaxial input are available on Denon AVR-S660H and 1 optical input and 1 coaxial input are available on Yamaha RX-V4A 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-S660H
          Inputs:           6   Outputs: 1
          8K Inputs: 3.
        • Yamaha RX-V4A
          Inputs:           4   Outputs: 1
          8K Inputs: 4.
        • Composite Video: Connect you VCR, Laserdisc player and other old video equipment with composite video cables.
        • Denon AVR-S660H
          Inputs:           2   Outputs: 1.
        • Yamaha RX-V4A
          Inputs:           0   Outputs: 0.

        Front A/V Inputs

        • Denon AVR-S660H: USB
        • Yamaha RX-V4A: USB

        Denon AVR-S660H

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        Yamaha RX-V4A

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        TERMINALS Denon AVR-S660H Yamaha RX-V4A
        HDMI Inputs64
        HDMI Outputs11
        8K Inputs34
        USB Input1 Front for USB memoryUSB memory, Portable Audio Player
        USB DC Out Port
        Optical Inputs21
        Optical Outputs
        Coaxial Inputs11
        RCA Line Inputs23
        RCA Line Outputs
        XLR Line Inputs
        Phono Input
        Multi-Channel Input
        RCA Pre-Outs0.20.2
        XLR Pre-outs
        Composite Video Inputs2
        Composite Video Outputs1
        S-Video Inputs
        S-Video Outputs
        Component Video Inputs
        Component Video Outputs

        Check the Price

        Yamaha RX-V4A
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        10. Evaluations

        We evaluated Denon AVR-S660H and Yamaha RX-V4A and gave them scores of 81 and 80 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.


        Denon AVR-S660H

        Yamaha RX-V4A

        OVERALL
        81
        OVERALL
        80

        Amplifier

        GOOD
        84
        •   Few Channels - 5.2
        •   Low Power Output - 75 W
        GOOD
        78
        •   Few Channels - 5.2
        •   Low Power Output - 80 W

        Audio Features

        AVERAGE
        64
        •   Few Channels - 5.2
        •   No Front Wide Channel Support
        •   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
        AVERAGE
        69
        •   Few Channels - 5.2
        •   No Front Wide Channel Support
        •   5.1 Channel Processing
        •   No Dolby Atmos
        •   No Dolby Atmos Height Virtualization
        •   No DTS:X
        •   No IMAX Enhanced
        •   No Auro 3D with Auro-Matic Upmixer
        •   DSD via HDMI

        Video Features

        EXCELLENT
        99
        •   HDR10
        •   HDR10+
        •   Dolby Vision
        •   HDMI 2.1
        •   Auto Low Latency Mode Pass-through
        •   VRR
        •   QFT
        •   8K Passthrough
        •   8K Upscaling
        EXCELLENT
        99
        •   HDR10
        •   HDR10+
        •   Dolby Vision
        •   HDMI 2.1
        •   Auto Low Latency Mode Pass-through
        •   VRR
        •   QFT
        •   8K Passthrough

        Connectivity

        EXCELLENT
        86
        •   eARC
        •   New HDCP Version
        •   Wi-Fi
        •   Bluetooth
        •   Works with Amazon Alexa
        •   Google Assistant
        •   HEOS
        •   6 HDMI Inputs
        •   1 HDMI Outputs
        •   3 8K Inputs
        •   USB Input
        •   Few RCA Line Inputs
        •   Phono Input
        •   No RCA Pre-Outs
        •   Composite Video Inputs
        •   Ethernet
        •   Bluetooth 4․2
        GOOD
        82
        •   eARC
        •   New HDCP Version
        •   Wi-Fi
        •   Bluetooth
        •   Works with Amazon Alexa
        •   Google Assistant
        •   4 HDMI Inputs
        •   1 HDMI Outputs
        •   4 8K Inputs
        •   USB Input
        •   Few RCA Line Inputs
        •   No Phono Input
        •   No RCA Pre-Outs
        •   No Composite Video Inputs
        •   Ethernet
        •   Bluetooth 4․2

        Zones

        AVERAGE
        55
        •   No Zones
        AVERAGE
        55
        •   No Zones

        Radio

        EXCELLENT
        96
        •   Analog Tuner
        •   Pandora
        •   Spotify
        •   Tidal
        EXCELLENT
        97
        •   Analog Tuner
        •   Pandora
        •   Spotify
        •   Tidal

        11. Specifications

        GENERAL Denon AVR-S660H Yamaha RX-V4A
        BrandDenonYamaha
        ModelAVR-S660HRX-V4A
        TypeA/V ReceiverA/V Receiver
        CountryUSAUSA
        Release Year20212020
        PredecessorDenon AVR-S650H
        SuccessorDenon AVR-S670H
        AMPLIFIER Denon AVR-S660H Yamaha RX-V4A
        Channels5.25.2
        Power Output75 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
        Discrete Amplification
        THX™ Certification
        Continuous 6 Ω Rated
        Certified 4 Ω Performance
        Mono Block Power Amplifier Construction
        Bi-amp Capability
        AUDIO FEATURES Denon AVR-S660H Yamaha RX-V4A
        Surround:AI™
        DACBurr-Brown PCM5101A
        DAC Specs384 kHz/32 Bit
        Maximum Channel Processing5.15.1
        D.D.S.C. HD Digital
        Alpha Processing
        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 PLII
        Dolby Digital EX
        Surround EX
        DTS:X
        DTS Neural:X
        DTS Virtual:X
        DTS Neo Neo:6 Neo:6
        DTS-HD Master Audio
        DTS-HD High Resolution Audio
        DTS 96/24
        DTS Express
        DTS-ES
        IMAX Enhanced
        Auro 3D with Auro-Matic Upmixer
        PCM 2-ch/Multi-ch Input 2-ch/Multi-ch Input
        Network Audio FormatsMP3, WMA, MPEG-4 AAC, Apple Lossless, WAV, FLAC, DSDMP3, WMA, MPEG-4 AAC, Apple Lossless, WAV, FLAC, AIFF, DSD
        Music Playback via USBMP3, WMA, AAC, Apple Lossless, WAV, FLAC, DSDMP3, WMA, MPEG-4 AAC, Apple Lossless, WAV, FLAC, AIFF, DSD
        High Resolution Music Playback via USB and/or Network up to 192 kHz up to 192 kHz/32 Bit
        High Resolution Audio Formats via USBApple Lossless, WAV, FLAC, DSDApple Lossless, WAV, 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
        Compressed Music Enhancer
        High-resolution Music Enhancer
        Adaptive DRC (Dynamic Range Control)
        Initial Volume & Maximum Volume Setting
        Audyssey Dynamic EQ
        Audyssey Dynamic Volume
        Audyssey LFC
        Audyssey Sub EQ HT
        Audyssey DSX
        Direct Mode
        Straight Decoding Mode
        Pure Direct Mode
        CINEMA DSP
        DSP Programs17
        SILENT CINEMA / Virtual CINEMA DSP
        Virtual Speakers
        Independent Subwoofer Outputs
        CALIBRATION Denon AVR-S660H Yamaha RX-V4A
        Auto Speaker Calibration System with Mic. Audyssey MultEQ YPAO sound optimization
        YPAO Volume
        Optimized Bass Redirection
        Bass Sync
        VIDEO FEATURES Denon AVR-S660H Yamaha RX-V4A
        HDR10
        HDR10+
        Dynamic HDR
        BT.2020 color space
        Dolby Vision
        HLG (Hybrid Log Gamma)
        HDMI Version2.12.1
        HDBaseT Compatible
        Enhanced Audio Return Channel (eARC)
        HDCP Version2.32.3
        QMS (Quick Media Switching)
        ALLM (Auto Low Latency Mode)
        VRR (Variable Refresh Rate)
        QFT (Quick Frame transport)
        DSC (Display Stream Compression)
        3-D Ready
        Video Signal Passthroughup to 8K 50/60Hz (YCbCr 4:2:0/8-bit) and 4K 100/120Hz (RGB/YCbCr 4:4:4/8, 10-bit and YCbCr 4:2:2/12-bit)up to 8K 50/60Hz and 4K 100/120Hz 4:4:4
        Video Signal Upscaling from 1080p and 4K up to 8K 50/60Hz and 4K 50/60Hz up to 4K 60p 4:4:4
        Analog To HDMI Upconversion
        Component Video Upscaling
        Analog to Analog Video conversion
        isf Certified Calibration Control
        CONNECTIVITY Denon AVR-S660H Yamaha RX-V4A
        Wi-Fi
        Bluetooth SBC SBC, AAC
        Bluetooth Headphone Transmission
        Works with Amazon Alexa
        Google Assistant
        Chromecast Built-In
        Apple Siri
        Works with SonoS
        HEOS
        DTS Play-Fi
        MHL Input
        DLNA 1.5
        MusicCast
        AirPlay AirPlay 2 AirPlay 2
        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 (iPhone® / iPad® / Android™ phone / tablet)
        InstaPrevue Input Source Prevue
        TERMINALS Denon AVR-S660H Yamaha RX-V4A
        HDMI Inputs64
        HDMI Outputs11
        8K Inputs34
        USB Input1 Front for USB memoryUSB memory, Portable Audio Player
        USB DC Out Port
        Optical Inputs21
        Optical Outputs
        Coaxial Inputs11
        RCA Line Inputs23
        RCA Line Outputs
        XLR Line Inputs
        Phono Input
        Multi-Channel Input
        RCA Pre-Outs0.20.2
        XLR Pre-outs
        Composite Video Inputs2
        Composite Video Outputs1
        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
        dockport
        ZONES Denon AVR-S660H Yamaha RX-V4A
        Number of Zones11
        Zone B Video Output
        RS-232C Interface
        +12V Trigger Output
        Remote (IR) Input/Output0 / 00 / 0
        Party Mode
        MISCELLANEOUS Denon AVR-S660H Yamaha RX-V4A
        On-Screen Display Hybrid Graphic User InterfaceGraphical User Interface
        GUI Languages3
        SCENESCENE (4 sets)
        Web Control
        IP Control
        Control4 SDDP
        PreAmp Mode
        Display 1 line
        Remote ControllerRC-1243
        Pre-programmed / Learnable / LCD Display / /
        Denon Link HD
        Setup Assistant
        Quick Select plus / Quick Select /
        RADIO Denon AVR-S660H Yamaha RX-V4A
        Analog Tuner FM/AM FM/AM
        Presets40
        Digital Radio
        Internet Radio TuneIn
        Pandora
        Spotify
        Tidal
        Deezer
        Napster
        SiriusXM
        CONSTRUCTION Denon AVR-S660H Yamaha RX-V4A
        Front Panelnot Metal
        A.R.T. Wedge
        Speaker Terminals55
        Large Speaker Terminals55
        Color-Coded Speaker Terminals
        Transparent High-Grade Speaker Terminals
        High Grade Audio Components
        Gold plated RCA terminals
        POWER Denon AVR-S660H Yamaha RX-V4A
        Power SupplyAC 120 V, 60 HzAC 120 V, 60 Hz
        Power Consumption340 W260 W
        No Sound PowerECO On/Off: 29 W/39 W
        Standby Power0.1 W0.1 W
        ECO Mode / Hybrid Standby Function
        Auto Power Standby
        Auto Power off
        PHYSICAL Denon AVR-S660H Yamaha RX-V4A
        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")        		435 mm x 171 mm x 377 mm (with antenna: 435 mm x 245 mm x 377 mm)
        17-1/8" x 6-3/4" x 14-7/8" (with antenna up: 17-1/8" x 9-5/8" x 14-7/8")
        Dimensions of Package (W x H x D)523 mm x 232 mm x 435 mm
        20.6"e; x 9.1"e; x 17.1"e;
        Weight7.8 kg (17 lbs 3 oz)8.8 kg (19.4 lbs)
        Weight of Package9.7 kg (21.4 lbs)
        SPECIFICATIONS Denon AVR-S660H Yamaha RX-V4A
        Power Output (8 Ω, 20 Hz - 20 kHz, 2 channel driven, FTC)75 W (0.08% THD)80 W (0.06% THD)
        Power Output (8 Ω, 1 kHz, 2 channel Driven, FTC)95 W (0.9% THD)
        Rated Power Output (8 Ω, 1 kHz, 1 channel Driven)115 W (0.9% THD)
        Maximum Effective Output Power (8 Ω, 1 kHz, 1 channel Driven, JEITA)140 W (10% THD)
        Power Output (6 Ω, 1 kHz, 2 channel driven, FTC)100 W (0.7% THD)
        Maximum Effective Power Output (6 Ω, 1 kHz, 1 channel driven, JEITA or IEC)150 W (10% THD)145 W (10% THD)
        Rated Power Output (6 Ω, 1 kHz, 1 channel driven, IEC)135 W (1% THD)
        THD0.04% (AUDIO 3 etc. to Front, Pure Direct, 20 Hz - 20 kHz, 40 W, 8 Ω)
        Phono Distortion0.03% (1 kHz, 3 V)
        Damping Factor100 (Front, 1 kHz, 8 Ω)
        Input Sensitivity and Impedance (Line)200 mV/47 kΩ200 mV/47 kΩ
        Input Sensitivity and Impedance (Phono MM)2.5 mV
        Maximum Input Sensitivity (Line)2.4 V (1 kHz, 0.5% THD)
        Rated Preout Level and Impedance1.0 V/470Ω (Subwoofer)
        S/N Ratio (Line, IHF-A)98 dB110 dB
        S/N Ratio (Phono MM, IHF-A)74 dB
        Phono RIAA Deviation±1 dB (20-20 kHz)
        Frequency Response (Analog In)+1/-3 dB (10 Hz to 100 kHz, Direct mode)+0/-3 dB (AUDIO 3 etc. to Front, Pure Direct, 10 Hz to 100 kHz)
        Residual noise (IHF-A Network)150 µV (Speaker Out)
        Channel Separation at 1 kHz/10 kHz (LINE)70 dB/50 dB
        DSD Sampling Rates via HDMI2.8 MHz
        DSD Sampling Rates via USB5.6 MHz, 2.8 MHz11.2 MHz, 5.6 MHz, 2.8 MHz
        Video Input Sensitivity/Output Level and Impedance 1 Vp-p/75 Ω (Composite)
        Video Frequency Response5 Hz to 10 MHz, 0 dB/-3 dB (Composite)
        Ethernet Standard100BASE-TX10BASE-T/100BASE-TX
        Wi-Fi StandardIEEE 802.11 a/b/g/n/acIEEE 802.11 a/b/g/n/ac
        Wi-Fi Terminal Frequency5 GHz, 2.4 GHz2.4 GHz, 5 GHz
        Bluetooth Version4․24․2
        Bluetooth Frequency2.4 GHz2.4 GHz
        USB TerminalUSB2.0 5V, 1 AUSB2.0 5 V, 1 A
        FM Frequency87.5 MHz - 107.9 MHz87.5 MHz - 107.9 MHz
        FM 50 dB Quiet Sensitivity (IHF, 1 kHz, 100% MOD.)Mono: 2.8 µV (20.2 dBf)Mono: 3 µV (20.8 dBf)
        FM Effective Sensitivity1.2 µV (12.8 dBf)
        FM S/N RatioMono/Stereo: 70 dB/67 dBMono/Stereo: 69 dB/68 dB
        FM Harmonic Distortion (IHF, 1 kHz)Mono/Stereo: 0.7%/1.0%Mono/Stereo: 0.5%/0.6%
        AM Frequency520 kHz - 1710 kHz530 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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