Denon AVR-X1800H vs Denon AVC-S670H

      Denon AVR-X1800H

      Denon AVC-S670H
      89
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      80
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      Highlights

      • 7.2 Channels
      • 7.1 Channel Processing
      • 80 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven)
      • HDMI 2.1
      • Dolby Atmos, DTS:X
      • HDR10, HDR10+, Dolby Vision
      • 8K Passthrough, 8K Upscaling
      • Wi-Fi, Bluetooth, Ethernet
      • Phono Input

      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

      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-X1800H
      4. Advantage of Denon AVC-S670H
      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-X1800H to Denon AVC-S670H 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-X1800H has 7 channel and the Denon AVC-S670H has 5 channel amplifiers with Denon AVR-X1800H's being more powerful.


      Denon AVR-X1800H Denon AVC-S670H

      Denon AVR-X1800H was introduced in 2024. 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 8K/60Hz and 4K/120Hz and upscales up to 8K 50/60Hz and 4K 100/120Hz 4:4:4 video signal.

      Denon AVC-S670H was introduced in 2023. 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.

      We evaluated Denon AVR-X1800H and Denon AVC-S670H and gave them scores of 89 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-X1800H

      Denon AVC-S670H

      Amplifier
      86
      Amplifier
      84
      Audio Features
      87
      Audio Features
      64
      Video Features
      100
      Video Features
      99
      Connectivity
      86
      Connectivity
      85
      Zones
      77
      Zones
      55
      Radio
      96
      Radio
      82
      OVERALL
      89
      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-X1800H and Denon AVC-S670H.

      PROS

      Denon AVR-X1800H

      Denon AVC-S670H

      •   Dolby Atmos
      •   Dolby Atmos Height Virtualization
      •   DTS:X
      •   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
      •   8K Upscaling
      •   Wi-Fi
      •   Bluetooth
      •   Works with Amazon Alexa
      •   Google Assistant
      •   HEOS
      •   3 8K Inputs
      •   USB Input
      •   Phono Input
      •   RCA Pre-Outs
      •   Ethernet
      •   Analog Tuner
      •   Pandora
      •   Spotify
      •   Tidal
      •   Bluetooth 5․0
      •   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
      •   Ethernet
      •   Spotify
      •   Tidal
      •   Bluetooth 5․0

      CONS

      Denon AVR-X1800H

      Denon AVC-S670H

      •   Low Power Output - 80 W
      •   No Front Wide Channel Support
      •   No IMAX Enhanced
      •   No Auro 3D with Auro-Matic Upmixer
      •   1 HDMI Outputs
      •   Few RCA Line Inputs
      •   No Composite Video Inputs
      •   No Digital Radio
      •   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 Composite Video Inputs
      •   No Zones
      •   No Analog Tuner
      •   No Digital Radio
      •   No Pandora


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

      AVERAGE

      Denon AVR-X1800H

      Denon AVC-S670H

      •   7.2 Channels
      •   7.1 Channel Processing
      •   6 HDMI Inputs
      •   2 Zones
      •   6 HDMI Inputs

      3. Advantage of Denon AVR-X1800H

      This section shows those features and specifications which are the reason to choose Denon AVR-X1800H over Denon AVC-S670H.

      Check the Price

      Denon AVR-X1800H
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      Denon AVR-X1800H vs Denon AVC-S670H
      More Channels 7.2 vs 5.2
      Higher Power Output 80 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven) vs 75 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven)
      Bi-amp capability assignable vs
      More Channel Processing 7.1 vs 5.1
      Dolby Atmos up to 5.1.2 vs
      Dolby Atmos Height Virtualization vs
      Dolby Atmos Music vs
      Dolby Surround Upmixer vs
      Dolby Digital EX vs
      DTS:X up to 5.1.2 vs
      DTS Neural:X vs
      DTS Virtual:X vs
      DTS-ES Discrete 6.1, Matrix 6.1 vs
      DSD via HDMI 2-ch/Multi-ch Input vs
      DTS Dialog Control vs
      Dialog Enhancement vs
      Dialog Level Adjustment vs
      More Advanced Auto Speaker Calibration System Audyssey MultEQ XT vs Audyssey MultEQ
      isf Certified Calibration Control vs
      More Coaxial Inputs/Outputs 1 vs
      More RCA Pre-Outs 2.2 vs 0.2
      Speaker A/B assignable vs
      More Zones 2 vs 1
      Remote (IR) Input/Output 1 / 0 vs 0 / 0
      Control4 SDDP vs
      Analog Tuner FM/AM vs
      Pandora vs
      SiriusXM vs
      More Speaker Terminals 7 vs 5
      More Large Speaker Terminals 7 vs 5
      Bigger Power Supply 430 W vs 340 W
      Higher Power Output (8 Ω, 20 Hz - 20 kHz, 2 channel driven, FTC) 80 W (0.08% THD) vs 75 W (0.08% THD)
      Higher Power Output (6 Ω, 1 kHz, 2 channel driven, FTC) 120 W (0.7% THD) vs 100 W (0.7% THD)
      Higher Power Output (6 Ω, 1 kHz, 1 channel driven, JEITA) 175 W (10% THD) vs 150 W (10% THD)
      Higher Power Output (6 Ω, 1 kHz, 1 channel driven, IEC) 145 W (1% THD) vs 135 W (1% THD)
      Check out other receivers which are frequently compared to Denon AVR-X1800H.
      Denon AVR-X1700H
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      7.2 channel

      80 W

      Denon AVR-X2800H
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      7.2 channel

      125 W

      Denon AVR-S970H
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      7.2 channel

      90 W

      Yamaha RX-V6A
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      7.2 channel

      100 W

      Denon AVR-S770H
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      7.2 channel

      75 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

      Yamaha RX-A2A
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      7.2 channel

      100 W

      Pioneer VSX-935
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      7.2 channel

      80 W

      Marantz Cinema 70s
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      7.2 channel

      50 W

      Sony STR-AN1000
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      7.2 channel

      100 W

      Onkyo TX-NR5100
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      7.2 channel

      80 W

      4. Advantage of Denon AVC-S670H

      This section shows those features and specifications which are the reason to choose Denon AVC-S670H over Denon AVR-X1800H.

      Check the Price

      Denon AVC-S670H
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      Denon AVR-X1800H vs Denon AVC-S670H
      Dolby Pro Logic vs PLII
      DTS Neo vs Neo:6
      More RCA Line Inputs 2 vs 3
      More GUI Languages 3 vs 9
      Check out other receivers which are frequently compared to Denon AVC-S670H.
      Denon AVR-S670H
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      5.2 channel

      75 W

      Yamaha RX-V4A
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      5.2 channel

      80 W

      Denon AVR-S770H
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      7.2 channel

      75 W

      Yamaha RX-V6A
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      7.2 channel

      100 W

      Yamaha RX-A4A
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      7.2 channel

      110 W

      Denon AVR-S660H
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      5.2 channel

      75 W

      Yamaha RX-A8A
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      11.2 channel

      150 W

      Yamaha RX-A2A
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      7.2 channel

      100 W

      Denon AVC-S660H
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      5.2 channel

      75 W

      Denon AVR-S760H
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      7.2 channel

      75 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

      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-X1800H Denon AVC-S670H
        Auto Speaker Calibration System with Mic. Audyssey MultEQ XT Audyssey MultEQ
        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 and 4K 100/120Hz 4:4:4up 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)
        8K Upscaling up to 8K 50/60Hz and 4K 100/120Hz 4:4:4 from 1080p and 4K up to 8K 50/60Hz and 4K 50/60Hz
        Wi-Fi
        Bluetooth SBC SBC
        Works with Amazon Alexa
        Google Assistant
        HEOS
        Many 8K Inputs33
        USB Input1 Front for USB memory1 Front for USB memory
        Phono Input
        Ethernet
        Spotify
        Tidal
        New Bluetooth Version5․05․0
      WEAKNESSES Denon AVR-X1800H Denon AVC-S670H
        Low Power Output80 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven)75 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven)
        No Front Wide Channel Support
        No IMAX Enhanced
        No Auro 3D with Auro-Matic Upmixer
        Few HDMI Outputs11
        Few RCA Line Inputs23
        No Composite Video Inputs
        No Digital Radio

      6. Amplifier

      Denon AVR-X1800H Denon AVC-S670H

      7 channel Amplifier: Denon AVR-X1800H features 7 channel power amplifier. It is rated at 80 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven) and is able to drive 4 ohm speakers.

      5 channel Amplifier: Denon AVC-S670H 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.


        AMPLIFIER Denon AVR-X1800H Denon AVC-S670H
        Channels7.25.2
        Power Output80 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven)75 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 assignable

        Check the Price

        Denon AVR-X1800H
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        7. Speaker Configurations

        Denon AVR-X1800H's and Denon AVC-S670H's amplifiers can be assigned for different speaker configurations.

        • Dolby Atmos Configurations: The following speaker configurations are supported for Dolby Atmos:
        • Denon AVR-X1800H: 5.2.2 with internal amplifier.
        • Denon AVC-S670H: Not supported.
        • DTS:X Configurations: The following speaker configurations are supported for DTS:X:
        • Denon AVR-X1800H: The speaker configurations for DTS:X are the same as for Dolby Atmos - 5.2.2 with internal amplifier.
        • Denon AVC-S670H: Not supported.
        • Configurations without height channels: There are also other speaker configurations available which do not include height channels:
        • Denon AVR-X1800H: 5.2, 7.2 with internal amplifier.
        • Denon AVC-S670H: 5.2 with internal amplifier.
        • Bi-Amp: Denon AVR-X1800H 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

        Denon AVR-X1800H supports Dolby Atmos.

        • Dolby Surround Upmixer: Denon AVR-X1800H 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.
        • Dolby Atmos Height Virtualization: Denon AVR-X1800H supports Dolby Atmos Height Virtualization which is a digital signal processing solution that leverages Dolby's deep understanding of human audio perception to create the sensation of overhead sound from the listener-level speakers.

        DTS:X

        Denon AVR-X1800H supports DTS:X.

        • DTS Neural:X: Denon AVR-X1800H supports 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.
        • DTS Virtual:X: Denon AVR-X1800H supports DTS Virtual:X which bridges the gap between DTS:X codec and the reality of so many consumers' homes, allowing you to enjoy multi-dimensional sound regardless of room size, layout, or speaker configuration. If you have a limited speaker setup you will miss a full immersive potential of your entertainment system. DTS Virtual:X adds height and surround audio effect to your system without adding height speakers. It works with multiple configurations and delivers immersive sound experience out of 5.1 or even 2.1 speaker layouts.
        • DTS Dialog Control: Denon AVR-X1800H supports 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.
        AUDIO DECODING Denon AVR-X1800H Denon AVC-S670H
        Dolby Atmos up to 5.1.2
        Dolby Atmos Height Virtualization
        Dolby Atmos Music
        Dolby TrueHD
        Dolby Digital Plus
        Dolby Surround Upmixer
        Dolby Pro Logic PLII
        Dolby Digital EX
        Surround EX
        DTS:X up to 5.1.2
        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

        Check the Price

        Denon AVC-S670H
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        9. HDMI 2.1

        Denon AVR-X1800H and Denon AVC-S670H come with 3 HDMI 2.1 inputs with 8K support and 3 inputs with 4K support. It has 1 output.

        • 8K/60Hz and 4K/120Hz Passthrough: On both receivers 3 out of 6 inputs pass up to 8K 50/60Hz and 4K 100/120Hz 4:4:4 and the rest of the inputs pass up to 4K 50/60Hz 4:4:4 video signal.
        • 8K Upscaling: Both receivers can upscale up to 8K 50/60Hz and 4K 100/120Hz 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.
        • 3D Ready: Both receivers are able to pass 3D video through HDMI.

        HDR (High Dynamic Range)

        Both receivers support HDR10, HDR10+, Dolby Vision, Dynamic HDR 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-X1800H and Denon AVC-S670H 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-X1800H Denon AVC-S670H
        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 and 4K 100/120Hz 4:4:4up 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)
        Video Signal Upscaling up to 8K 50/60Hz and 4K 100/120Hz 4:4:4 from 1080p and 4K up to 8K 50/60Hz and 4K 50/60Hz

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        Denon AVR-X1800H
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        10. Inputs and Outputs

        Audio

        • Phono Input: There is an MM phono input on Denon AVR-X1800H and Denon AVC-S670H with built-in phono stage for connecting the moving magnet cartridge output of the turntable directly to the receiver.
        • Analog Pre-Outs: Denon AVR-X1800H has 2.2 preamplifier outputs which allows you to connect the 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 receiver to power the rest.
        • Analog Line Inputs: There are 2 pair of line inputs on Denon AVR-X1800H and 3 pair of line inputs on Denon AVC-S670H for connecting sources with analog outputs.
        • Digital Inputs: 2 optical inputs and 1 coaxial input are available on Denon AVR-X1800H and 2 optical inputs are available on Denon AVC-S670H 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-X1800H
          Inputs:           6   Outputs: 1
          8K Inputs: 3.
        • Denon AVC-S670H
          Inputs:           6   Outputs: 1
          8K Inputs: 3.

        Front A/V Inputs

        • Denon AVR-X1800H: USB
        • Denon AVC-S670H: USB

        Denon AVR-X1800H

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        Denon AVC-S670H

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        TERMINALS Denon AVR-X1800H Denon AVC-S670H
        HDMI Inputs66
        HDMI Outputs11
        8K Inputs33
        USB Input1 Front for USB memory1 Front for USB memory
        USB DC Out Port 5 V, 1.5 A
        Optical Inputs22
        Optical Outputs
        Coaxial Inputs1
        RCA Line Inputs23
        RCA Line Outputs
        XLR Line Inputs
        Phono Input
        Multi-Channel Input
        RCA Pre-Outs2.20.2
        XLR Pre-outs
        Composite Video Inputs
        Composite Video Outputs
        S-Video Inputs
        S-Video Outputs
        Component Video Inputs
        Component Video Outputs

        Check the Price

        Denon AVC-S670H
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        11. Evaluations

        We evaluated Denon AVR-X1800H and Denon AVC-S670H and gave them scores of 89 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-X1800H

        Denon AVC-S670H

        OVERALL
        89
        OVERALL
        80

        Amplifier

        EXCELLENT
        86
        •   7.2 Channels
        •   Low Power Output - 80 W
        GOOD
        84
        •   Few Channels - 5.2
        •   Low Power Output - 75 W

        Audio Features

        EXCELLENT
        87
        •   7.2 Channels
        •   No Front Wide Channel Support
        •   7.1 Channel Processing
        •   Dolby Atmos
        •   Dolby Atmos Height Virtualization
        •   DTS:X
        •   No IMAX Enhanced
        •   No Auro 3D with Auro-Matic Upmixer
        •   DSD via HDMI
        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

        Video Features

        EXCELLENT
        100
        •   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
        •   8K Upscaling

        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
        •   RCA Pre-Outs
        •   No Composite Video Inputs
        •   Ethernet
        •   Bluetooth 5․0
        EXCELLENT
        85
        •   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
        •   No Composite Video Inputs
        •   Ethernet
        •   Bluetooth 5․0

        Zones

        GOOD
        77
        •   2 Zones
        AVERAGE
        55
        •   No Zones

        Radio

        EXCELLENT
        96
        •   Analog Tuner
        •   Pandora
        •   Spotify
        •   Tidal
        GOOD
        82
        •   No Analog Tuner
        •   No Pandora
        •   Spotify
        •   Tidal

        12. Specifications

        GENERAL Denon AVR-X1800H Denon AVC-S670H
        BrandDenonDenon
        ModelAVR-X1800HAVC-S670H
        TypeA/V ReceiverA/V Amplifier
        CountryUSAUK
        Release Year20242023
        PredecessorDenon AVR-X1700H Denon AVC-S660H
        AMPLIFIER Denon AVR-X1800H Denon AVC-S670H
        Channels7.25.2
        Power Output80 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven)75 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 assignable
        AUDIO FEATURES Denon AVR-X1800H Denon AVC-S670H
        Maximum Channel Processing7.15.1
        D.D.S.C. HD Digital
        Alpha Processing
        Air Studios Monitor Certification
        Dolby Atmos up to 5.1.2
        Dolby Atmos Height Virtualization
        Dolby Atmos Music
        Dolby TrueHD
        Dolby Digital Plus
        Dolby Surround Upmixer
        Dolby Pro Logic PLII
        Dolby Digital EX
        Surround EX
        DTS:X up to 5.1.2
        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
        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, DSD
        Music Playback via USBMP3, WMA, MPEG-4 AAC, Apple Lossless, WAV, FLAC, DSDMP3, WMA, AAC, Apple Lossless, WAV, FLAC, DSD
        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, DSDApple Lossless, WAV, FLAC, 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
        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-X1800H Denon AVC-S670H
        Auto Speaker Calibration System with Mic. Audyssey MultEQ XT Audyssey MultEQ
        Audyssey App Support
        Optimized Bass Redirection
        Bass Sync
        VIDEO FEATURES Denon AVR-X1800H Denon AVC-S670H
        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 and 4K 100/120Hz 4:4:4up 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)
        Video Signal Upscaling up to 8K 50/60Hz and 4K 100/120Hz 4:4:4 from 1080p and 4K up to 8K 50/60Hz and 4K 50/60Hz
        Component Video Upscaling
        Analog to Analog Video conversion
        isf Certified Calibration Control
        CONNECTIVITY Denon AVR-X1800H Denon AVC-S670H
        Wi-Fi
        Bluetooth SBC SBC
        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
        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
        InstaPrevue Input Source Prevue
        TERMINALS Denon AVR-X1800H Denon AVC-S670H
        HDMI Inputs66
        HDMI Outputs11
        8K Inputs33
        USB Input1 Front for USB memory1 Front for USB memory
        USB DC Out Port 5 V, 1.5 A
        Optical Inputs22
        Optical Outputs
        Coaxial Inputs1
        RCA Line Inputs23
        RCA Line Outputs
        XLR Line Inputs
        Phono Input
        Multi-Channel Input
        RCA Pre-Outs2.20.2
        XLR Pre-outs
        Composite Video Inputs
        Composite Video Outputs
        S-Video Inputs
        S-Video Outputs
        Component Video Inputs
        Component Video Outputs
        Ethernet
        Ethernet Switch
        PC In
        Front A/V InputsUSBUSB
        Speaker A/B assignable
        Headphone Out6.3 mm (1/4")6.3 mm (1/4")
        Detachable Power Cord
        ZONES Denon AVR-X1800H Denon AVC-S670H
        Number of Zones21
        Powered Zones 2
        Zone 2 OutsPre Out
        RS-232C Interface
        +12V Trigger Output
        Remote (IR) Input/Output1 / 00 / 0
        MISCELLANEOUS Denon AVR-X1800H Denon AVC-S670H
        On-Screen Display Hybrid Graphic User Interface Hybrid Graphic User Interface
        GUI Languages39
        Web Control
        IP Control
        Control4 SDDP
        Display 1 lines FLD 1 line
        Remote ControllerRC-1257RC-1258
        Pre-programmed / Learnable / LCD Display / / / /
        Denon Link HD
        Setup Assistant
        Quick Select plus / Quick Select / /
        RADIO Denon AVR-X1800H Denon AVC-S670H
        Analog Tuner FM/AM
        Digital Radio
        Internet Radio TuneIn TuneIn
        Pandora
        Spotify
        Tidal
        Deezer
        Napster
        SiriusXM
        CONSTRUCTION Denon AVR-X1800H Denon AVC-S670H
        Front Panelnot Metalnot Metal
        Speaker Terminals75
        Large Speaker Terminals75
        Color-Coded Speaker Terminals
        Transparent High-Grade Speaker Terminals
        High Grade Audio Components
        Gold plated RCA terminals
        POWER Denon AVR-X1800H Denon AVC-S670H
        Power SupplyAC 120 V, 60 HzAC 230 V, 50/60 Hz
        Power Consumption430 W340 W
        No Sound PowerECO On/Off: 29 W/39 WECO On/Off: 29 W/39 W
        Standby Power0.1 W0.1 W
        ECO Mode / Hybrid Standby Function
        Auto Power off
        PHYSICAL Denon AVR-X1800H Denon AVC-S670H
        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")        		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")
        Dimensions of Package (W x H x D)523 mm x 232 mm x 435 mm
        20.6" x 9.1" x 17.1"        		523 mm x 232 mm x 435 mm
        20.6"e; x 9.1"e; x 17.1"e;
        Weight8.6 kg (19 lbs)7.8 kg (17 lbs 3 oz)
        Weight of Package23.4 lbs9.7 kg (21.4 lbs)
        SPECIFICATIONS Denon AVR-X1800H Denon AVC-S670H
        Power Output (8 Ω, 20 Hz - 20 kHz, 2 channel driven, FTC)80 W (0.08% THD)75 W (0.08% THD)
        Power Output (6 Ω, 1 kHz, 2 channel driven, FTC)120 W (0.7% THD)100 W (0.7% THD)
        Maximum Effective Power Output (6 Ω, 1 kHz, 1 channel driven, JEITA or IEC)175 W (10% THD)150 W (10% THD)
        Rated Power Output (6 Ω, 1 kHz, 1 channel driven, IEC)145 W (1% THD)135 W (1% THD)
        Phono Distortion0.03% (1 kHz, 3 V)0.03% (1 kHz, 3 V)
        Input Sensitivity and Impedance (Line)200 mV/47 kΩ200 mV/47 kΩ
        Input Sensitivity and Impedance (Phono MM)2.5 mV2.5 mV
        S/N Ratio (Line, IHF-A)98 dB98 dB
        S/N Ratio (Phono MM, IHF-A)74 dB74 dB
        Phono RIAA Deviation±1 dB (20-20 kHz)±1 dB (20-20 kHz)
        Frequency Response (Analog In)+1/-3 dB (10 Hz to 100 kHz, Direct mode)+1/-3 dB (10 Hz to 100 kHz, Direct mode)
        DSD Sampling Rates via USB5.6 MHz, 2.8 MHz5.6 MHz, 2.8 MHz
        Ethernet Standard100BASE-TX100BASE-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 GHz5 GHz, 2.4 GHz
        Bluetooth Version5․05․0
        Bluetooth Frequency2.4 GHz2.4 GHz
        USB TerminalUSB2.0 5V, 1 AUSB2.0 5V, 1 A
        FM Frequency87.5 MHz - 107.9 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%Mono/Stereo: 0.7%/1.0%
        AM Frequency520 kHz - 1710 kHz
        AM Effective Sensitivity18 µV
        Warranty3 Years3 Years

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

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