Yamaha RX-A840 vs Yamaha RX-A830

      Yamaha RX-A840

      Yamaha RX-A830
      80
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      78
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      USA and Canada
      General China Korea Australia UK and Europe Asia
      USA and Canada
      General China Korea Australia UK and Europe Asia
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      Highlights

      • 7.2 Channels
      • 7.1 Channel Processing
      • 100 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven)
      • 4K/60Hz Passthrough, 4K/60Hz Upscaling
      • Wi-Fi, Bluetooth, Ethernet

      Highlights

      • 7.2 Channels
      • 7.1 Channel Processing
      • 100 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven)
      • 4K/30Hz Passthrough, 4K/30Hz Upscaling
      • 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 Yamaha RX-A840
      4. Advantage of Yamaha RX-A830
      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 Yamaha RX-A840 to Yamaha RX-A830 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 7 channel and equally powerful amplifiers.


      Yamaha RX-A840 Yamaha RX-A830

      Yamaha RX-A840 was introduced in 2014. It is equipped with 7 channel amplifier with 100 W (8 Ω, 20 Hz - 20 kHz and 2 channel driven) power per channel and is capable of 7.1 maximum channel processing. It , passes 4K/60Hz and upscales up to 4K/60p (YCbCr 4:4:4) video signal.

      Yamaha RX-A830 was introduced in 2013. It is equipped with 7 channel amplifier with 100 W (8 Ω, 20 Hz - 20 kHz and 2 channel driven) power per channel and is capable of 7.1 maximum channel processing. It , passes 4K/30Hz and upscales up to 4K/30p video signal.

      We evaluated Yamaha RX-A840 and Yamaha RX-A830 and gave them scores of 80 and 78 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.

      Yamaha RX-A840

      Yamaha RX-A830

      Amplifier
      89
      Amplifier
      89
      Audio Features
      69
      Audio Features
      69
      Video Features
      73
      Video Features
      66
      Connectivity
      85
      Connectivity
      83
      Zones
      81
      Zones
      81
      Radio
      92
      Radio
      92
      OVERALL
      80
      OVERALL
      78

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

      2. Pros and Cons

      In this section we present pros and cons of Yamaha RX-A840 and Yamaha RX-A830.

      PROS

      Yamaha RX-A840

      Yamaha RX-A830

      •   DSD via HDMI
      •   Auto Speaker Calibration System with Mic.
      •   New HDCP Version
      •   Analog To HDMI Upconversion
      •   Wi-Fi
      •   Bluetooth
      •   8 HDMI Inputs
      •   USB Input
      •   RCA Pre-Outs
      •   Composite Video Inputs
      •   Component Video Inputs
      •   Ethernet
      •   Analog Tuner
      •   Pandora
      •   Spotify
      •   DSD via HDMI
      •   Auto Speaker Calibration System with Mic.
      •   New HDCP Version
      •   Analog To HDMI Upconversion
      •   Bluetooth
      •   8 HDMI Inputs
      •   USB Input
      •   RCA Pre-Outs
      •   Composite Video Inputs
      •   Component Video Inputs
      •   Ethernet
      •   Analog Tuner
      •   Pandora
      •   Spotify

      CONS

      Yamaha RX-A840

      Yamaha RX-A830

      •   No Front Wide Channel Support
      •   No Dolby Atmos
      •   No Dolby Atmos Height Virtualization
      •   No DTS:X
      •   No IMAX Enhanced
      •   No Auro 3D with Auro-Matic Upmixer
      •   No HDR10
      •   No HDR10+
      •   No Dolby Vision
      •   No eARC
      •   No 8K Passthrough
      •   Does not Work with Amazon Alexa
      •   0 8K Input
      •   No Phono Input
      •   No Digital Radio
      •   No Tidal
      •   No Front Wide Channel Support
      •   No Dolby Atmos
      •   No Dolby Atmos Height Virtualization
      •   No DTS:X
      •   No IMAX Enhanced
      •   No Auro 3D with Auro-Matic Upmixer
      •   No HDR10
      •   No HDR10+
      •   No Dolby Vision
      •   No eARC
      •   No 8K Passthrough
      •   Does not Work with Amazon Alexa
      •   0 8K Input
      •   No Phono Input
      •   No Digital Radio
      •   No Tidal


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

      AVERAGE

      Yamaha RX-A840

      Yamaha RX-A830

      •   7.2 Channels
      •   Power Output - 100 W
      •   7.1 Channel Processing
      •   2 HDMI Outputs
      •   RCA Line Inputs
      •   2 Zones
      •   7.2 Channels
      •   Power Output - 100 W
      •   7.1 Channel Processing
      •   Wi-Fi
      •   2 HDMI Outputs
      •   RCA Line Inputs
      •   2 Zones

      3. Advantage of Yamaha RX-A840

      This section shows those features and specifications which are the reason to choose Yamaha RX-A840 over Yamaha RX-A830.

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      Yamaha RX-A840
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      Yamaha RX-A840 vs Yamaha RX-A830
      Music Playback via USB MP3, WMA, AAC, Apple Lossless, WAV, FLAC vs MP3, WMA, AAC, WAV, FLAC
      High Resolution Audio Formats via USB Apple Lossless, WAV, FLAC vs WAV, FLAC
      Gapless Playback vs
      YPAO Volume vs
      Video Signal Passthrough up to 4K/60p (YCbCr 4:4:4) vs up to 4K/30p
      Video Signal Upscaling up to 4K/60p (YCbCr 4:4:4) vs up to 4K/30p
      Wi-Fi with Wireless Direct vs via optional YWA-10 adapter (sold separately)
      Higher Maximum Effective Output Power (8 Ω, 1 kHz, 1 channel Driven, JEITA) 165 W (10% THD) vs 160 W (10% THD)
      Higher S/N Ratio (Line, IHF-A) 110 dB vs 100 dB
      Better Channel Separation at 1 kHz/10 kHz (LINE) 75 dB/50 dB vs 60 dB/45 dB
      Higher FM S/N Ratio Mono/Stereo: 71 dB/ 70 dB vs Mono/Stereo: 71 dB/69 dB

      4. Advantage of Yamaha RX-A830

      This section shows those features and specifications which are the reason to choose Yamaha RX-A830 over Yamaha RX-A840.

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      Yamaha RX-A830
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      Yamaha RX-A840 vs Yamaha RX-A830
      Component Video Maximum Resolution 1080i vs 1080p
      Higher Dynamic Power per Channel, 2 Ω, Front) 240 W vs 250 W
      Higher Dynamic Power per Channel, 4 Ω, Front) 195 W vs 210 W
      Higher Dynamic Power per Channel, 6 Ω, Front) 170 W vs 180 W
      Higher Dynamic Power per Channel, 8 Ω, Front) 130 W vs 140 W
      Lower FM Harmonic Distortion (IHF, 1 kHz) Mono/Stereo: 0.5%/0.6% vs Mono/Stereo: 0.3%/0.5%

      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 Yamaha RX-A840 Yamaha RX-A830
        DSD via HDMI 2-ch/Multi-ch Input 2-ch/Multi-ch Input
        Auto Speaker Calibration System with Mic. YPAO sound optimization (R.S.C. with Multipoint measurement) YPAO sound optimization (R.S.C. with Multipoint measurement)
        New HDCP Version2.22.2
        Analog To HDMI Upconversion Component**, Composite Component****, S-Video, Composite
        Bluetooth via optional YBA-11 adapter (sold separately) via optional YBA-11 adapter (sold separately)
        Many HDMI Inputs8 (1 front)8 (1 front)
        USB InputiPod® / iPhone® / iPad®, USB memory, portable audio playeriPod® / iPhone® / iPad®, USB memory, portable audio player (MP3, WMA, AAC up to 48 kHz / 16-bit, FLAC / WAV up to 192 kHz / 24-bit)
        RCA Pre-Outs7.27.2
        Composite Video Inputs5 (1 front)5 (1 front)
        Component Video Inputs22
        Ethernet
        Analog Tuner FM/AM FM/AM
        Pandora
        Spotify
      WEAKNESSES Yamaha RX-A840 Yamaha RX-A830
        No Front Wide Channel Support
        No Dolby Atmos
        No Dolby Atmos Height Virtualization
        No DTS:X
        No IMAX Enhanced
        No Auro 3D with Auro-Matic Upmixer
        No HDR10
        No HDR10+
        No Dolby Vision
        No eARC
        No 8K Passthroughup to 4K/60p (YCbCr 4:4:4)up to 4K/30p
        Does not Work with Amazon Alexa
        Few 8K Inputs
        No Phono Input
        No Digital Radio
        No Tidal

      6. Amplifier

      Yamaha RX-A840 Yamaha RX-A830

      7 channel Amplifier: Yamaha RX-A840 features 7 channel power amplifier. It is rated at 100 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven) and is able to drive 4 ohm speakers.

      7 channel Amplifier: Yamaha RX-A830 features 7 channel power amplifier. It is rated at 100 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven) and is able to drive 4 ohm speakers.


        AMPLIFIER Yamaha RX-A840 Yamaha RX-A830
        Channels7.27.2
        Power Output100 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven)100 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

        Yamaha RX-A840
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        7. Speaker Configurations

        Yamaha RX-A840's and Yamaha RX-A830's amplifiers can be assigned for different speaker configurations.

        • Configurations: Available configurations are:
        • Yamaha RX-A840: 5.2, 7.2 with internal amplifier.
        • Yamaha RX-A830: 5.2, 7.2 with internal amplifier.
        • 2-ch Bi-Amp: Both models are 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.

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        Yamaha RX-A830
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        8. HDMI

        Yamaha RX-A840 and Yamaha RX-A830 come with 8 HDMI inputs. It has 2 outputs which work parallelly and output the same signal.

        • 4K/60Hz Passthrough on Yamaha RX-A840: All inputs pass up to 4K/60p (YCbCr 4:4:4) video signal.
          4K/30Hz Passthrough on Yamaha RX-A830: All inputs pass up to 4K/30p video signal.
        • 4K Upscaling on Yamaha RX-A840: It can upscale up to 4K/60p (YCbCr 4:4:4) from HDMI and analog sources.
          4K Upscaling on Yamaha RX-A830: It can upscale up to 4K/30p from HDMI and analog sources.
        • Analog To HDMI Upconversion: Both receivers support analog to HDMI Upconversion, so you can input your analog video sources and output them digitally via HDMI. This means that you will need only one HDMI cable to connect to your TV.
        • 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.


        VIDEO FEATURES Yamaha RX-A840 Yamaha RX-A830
        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/60p (YCbCr 4:4:4)up to 4K/30p
        Video Signal Upscaling up to 4K/60p (YCbCr 4:4:4) up to 4K/30p

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        Yamaha RX-A840
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        9. Inputs and Outputs

        Audio

        • Analog Pre-Outs: Yamaha RX-A840 and Yamaha RX-A830 have 7.2 preamplifier outputs which allow you to connect the receivers to the external power amplifiers. 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. Also, both receivers have 7 channel processing but have only 7 channel amplifiers, so they need external amplifiers connected to the analog pre-outs in order to reach their maximum speaker configurations.
        • Analog Line Inputs and Outputs: There are 5 pair of line inputs on both receivers for connecting sources with analog outputs. There are also 1 pair of line outputs on the receivers.
        • Digital Inputs: 2 optical inputs and 2 coaxial inputs are available for digital audio connections on both receivers.
        • Headphone Output: There is a 6.3 mm (1/4") headphone output jack on the front panel of each receiver.

        Video

        • HDMI:
        • Yamaha RX-A840
          Inputs:           8 (1 front)   Outputs: 2
          8K Inputs: 0.
        • Yamaha RX-A830
          Inputs:           8 (1 front)   Outputs: 2
          8K Inputs: 0.
        • Composite Video: Connect you VCR, Laserdisc player and other old video equipment with composite video cables.
        • Yamaha RX-A840
          Inputs:           5   Outputs: 2.
        • Yamaha RX-A830
          Inputs:           5   Outputs: 2.
        • Component Video: Component video connection gives you the higher quality video compared to the composite video connection. So in case your old DVD player and other equipment do not have an HDMI output but have Component video output use this connection over the composite one.
        • Yamaha RX-A840 supports up to 1080i resolution on Component video connectors.
        • Yamaha RX-A830 supports up to 1080p resolution on Component video connectors.
        • Yamaha RX-A840
          Inputs:           2   Outputs: 1.
        • Yamaha RX-A830
          Inputs:           2   Outputs: 1.

        Front A/V Inputs

        • Yamaha RX-A840: HDMI (MHL support), USB, analog audio, composite
        • Yamaha RX-A830: HDMI (MHL support), USB, analog audio, composite

        Yamaha RX-A840

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        Yamaha RX-A830

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        TERMINALS Yamaha RX-A840 Yamaha RX-A830
        HDMI Inputs8 (1 front)8 (1 front)
        HDMI Outputs22
        8K Inputs
        USB InputiPod® / iPhone® / iPad®, USB memory, portable audio playeriPod® / iPhone® / iPad®, USB memory, portable audio player (MP3, WMA, AAC up to 48 kHz / 16-bit, FLAC / WAV up to 192 kHz / 24-bit)
        USB DC Out Port (USB DC output 5 V / 0.5 amp) (USB DC output 5 V / 0.5 amp)
        Optical Inputs22
        Optical Outputs
        Coaxial Inputs22
        RCA Line Inputs5 (1 front)5 (1 front)
        RCA Line Outputs11
        XLR Line Inputs
        Phono Input
        Multi-Channel Input
        RCA Pre-Outs7.27.2
        XLR Pre-outs
        Composite Video Inputs5 (1 front)5 (1 front)
        Composite Video Outputs22
        S-Video Inputs
        S-Video Outputs
        Component Video Inputs22
        Component Video Outputs11

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        Yamaha RX-A830
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        10. Evaluations

        We evaluated Yamaha RX-A840 and Yamaha RX-A830 and gave them scores of 80 and 78 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.


        Yamaha RX-A840

        Yamaha RX-A830

        OVERALL
        80
        OVERALL
        78

        Amplifier

        EXCELLENT
        89
        •   7.2 Channels
        •   Power Output - 100 W
        EXCELLENT
        89
        •   7.2 Channels
        •   Power Output - 100 W

        Audio Features

        AVERAGE
        69
        •   7.2 Channels
        •   No Front Wide Channel Support
        •   7.1 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
        AVERAGE
        69
        •   7.2 Channels
        •   No Front Wide Channel Support
        •   7.1 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

        GOOD
        73
        •   No HDR10
        •   No HDR10+
        •   No Dolby Vision
        •   No 8K Passthrough
        •   Analog To HDMI Upconversion
        AVERAGE
        66
        •   No HDR10
        •   No HDR10+
        •   No Dolby Vision
        •   No 8K Passthrough
        •   Analog To HDMI Upconversion

        Connectivity

        EXCELLENT
        85
        •   No eARC
        •   New HDCP Version
        •   Wi-Fi
        •   Bluetooth
        •   Does not Work with Amazon Alexa
        •   8 HDMI Inputs
        •   2 HDMI Outputs
        •   0 8K Input
        •   USB Input
        •   RCA Line Inputs
        •   No Phono Input
        •   RCA Pre-Outs
        •   Composite Video Inputs
        •   Component Video Inputs
        •   Ethernet
        GOOD
        83
        •   No eARC
        •   New HDCP Version
        •   Wi-Fi
        •   Bluetooth
        •   Does not Work with Amazon Alexa
        •   8 HDMI Inputs
        •   2 HDMI Outputs
        •   0 8K Input
        •   USB Input
        •   RCA Line Inputs
        •   No Phono Input
        •   RCA Pre-Outs
        •   Composite Video Inputs
        •   Component Video Inputs
        •   Ethernet

        Zones

        GOOD
        81
        •   2 Zones
        GOOD
        81
        •   2 Zones

        Radio

        EXCELLENT
        92
        •   Analog Tuner
        •   Pandora
        •   Spotify
        •   No Tidal
        EXCELLENT
        92
        •   Analog Tuner
        •   Pandora
        •   Spotify
        •   No Tidal

        11. Specifications

        GENERAL Yamaha RX-A840 Yamaha RX-A830
        BrandYamahaYamaha
        SeriesAventageAventage
        ModelRX-A840RX-A830
        TypeA/V ReceiverA/V Receiver
        CountryUSA and CanadaUSA and Canada
        Release Year20142013
        PredecessorYamaha RX-A830 Yamaha RX-A820
        SuccessorYamaha RX-A850 Yamaha RX-A840
        AMPLIFIER Yamaha RX-A840 Yamaha RX-A830
        Channels7.27.2
        Power Output100 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven)100 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
        AUDIO FEATURES Yamaha RX-A840 Yamaha RX-A830
        Surround:AI™
        DACBurr-BrownBurr-Brown
        DAC Specs192 kHz/24 Bit192 kHz/24 Bit
        Maximum Channel Processing7.17.1
        Air Studios Monitor Certification
        Dolby Atmos
        Dolby Atmos Height Virtualization
        Dolby Atmos Music
        Dolby TrueHD
        Dolby Digital Plus
        Dolby Surround Upmixer
        Dolby Pro Logic PLIIx PLIIx
        Dolby Digital 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 Discrete 6.1, Matrix 6.1 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
        Music Playback via USBMP3, WMA, AAC, Apple Lossless, WAV, FLACMP3, WMA, AAC, WAV, FLAC
        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, FLACWAV, FLAC
        Gapless Playback
        DSD via HDMI 2-ch/Multi-ch Input 2-ch/Multi-ch Input
        DSD to PCM Converter
        USB DAC
        Jitter Reduction Ultra low jitter PLL circuitry Ultra low jitter PLL circuitry
        DTS Dialogue Control
        Dialog Level Adjustment
        Dialog normalization
        Dialogue Lift no presence speakers required no presence speakers required
        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
        Straight Decoding Mode
        Pure Direct Mode with Video On mode with Video On mode
        CINEMA DSP 3D 3D
        DSP Programs1717
        SILENT CINEMA / Virtual CINEMA DSP / (AIR SURROUND XTREME)
        Virtual Speakers
        CALIBRATION Yamaha RX-A840 Yamaha RX-A830
        Auto Speaker Calibration System with Mic. YPAO sound optimization (R.S.C. with Multipoint measurement) YPAO sound optimization (R.S.C. with Multipoint measurement)
        YPAO Volume
        PEQ for SUBDown to 31 HzDown to 31 Hz
        VIDEO FEATURES Yamaha RX-A840 Yamaha RX-A830
        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/60p (YCbCr 4:4:4)up to 4K/30p
        Video Signal Upscaling up to 4K/60p (YCbCr 4:4:4) up to 4K/30p
        Analog To HDMI Upconversion Component**, Composite Component****, S-Video, Composite
        Component Video Upscaling
        Analog to Analog Video conversion
        Component Video Maximum Resolution1080i1080p
        Video Parameter Adjustments
        isf Certified Calibration Control
        CONNECTIVITY Yamaha RX-A840 Yamaha RX-A830
        Wi-Fi with Wireless Direct via optional YWA-10 adapter (sold separately)
        Bluetooth via optional YBA-11 adapter (sold separately) via optional YBA-11 adapter (sold separately)
        Works with Amazon Alexa
        Chromecast Built-In
        Works with SonoS
        DTS Play-Fi
        MHL Input
        DLNA 1.5
        MusicCast
        AirPlay AirPlay AirPlay
        Apple Product Connection iPod, iPhone and iPad iPod, iPhone and iPad
        Remote App (iPhone / iPad, Android™ phone / tablet, Kindle Fire™) (iPhone / iPad, Android™ phone / tablet, Kindle Fire™)
        InstaPrevue Input Source Prevue
        TERMINALS Yamaha RX-A840 Yamaha RX-A830
        HDMI Inputs8 (1 front)8 (1 front)
        HDMI Outputs22
        8K Inputs
        USB InputiPod® / iPhone® / iPad®, USB memory, portable audio playeriPod® / iPhone® / iPad®, USB memory, portable audio player (MP3, WMA, AAC up to 48 kHz / 16-bit, FLAC / WAV up to 192 kHz / 24-bit)
        USB DC Out Port (USB DC output 5 V / 0.5 amp) (USB DC output 5 V / 0.5 amp)
        Optical Inputs22
        Optical Outputs
        Coaxial Inputs22
        RCA Line Inputs5 (1 front)5 (1 front)
        RCA Line Outputs11
        XLR Line Inputs
        Phono Input
        Multi-Channel Input
        RCA Pre-Outs7.27.2
        XLR Pre-outs
        Composite Video Inputs5 (1 front)5 (1 front)
        Composite Video Outputs22
        S-Video Inputs
        S-Video Outputs
        Component Video Inputs22
        Component Video Outputs11
        Ethernet
        Ethernet Switch
        PC In
        Front A/V InputsHDMI (MHL support), USB, analog audio, compositeHDMI (MHL support), USB, analog audio, composite
        Speaker A/B
        Headphone Out6.3 mm (1/4")6.3 mm (1/4")
        Detachable Power Cord
        dockport
        ZONES Yamaha RX-A840 Yamaha RX-A830
        Number of Zones22
        Powered ZonesZone 2Zone 2
        Zone 2 OutsLine OutLine Out
        Zone B Video Output (HDMI)
        Zone GUI
        RS-232C Interface
        +12V Trigger Output (1) (1)
        Remote (IR) Input/Output1 / 11 / 1
        Party Mode
        MISCELLANEOUS Yamaha RX-A840 Yamaha RX-A830
        On-Screen DisplayGraphical user interfaceGraphical user interface
        SCENESCENE (four sets) (four sets)
        Web Control
        PreAmp Mode
        Remote Controller (Preset)
        RADIO Yamaha RX-A840 Yamaha RX-A830
        Analog Tuner FM/AM FM/AM
        Presets4040
        Digital Radio
        Internet Radio vTuner vTuner
        Pandora
        Spotify
        Tidal
        Deezer
        Napster
        SiriusXM
        CONSTRUCTION Yamaha RX-A840 Yamaha RX-A830
        Solid Aluminum FrontAluminum
        A.R.T. Wedge
        Speaker Terminals99
        Large Speaker Terminals99
        Color-Coded Speaker Terminals
        Gold plated RCA terminals
        POWER Yamaha RX-A840 Yamaha RX-A830
        Power SupplyAC 120 V, 60 HzAC 120 V, 60 Hz
        Power Consumption400 W400 W/500 VA
        Standby Power0.1 W0.10 W
        ECO Mode / Hybrid Standby Function
        Auto Power Standby
        PHYSICAL Yamaha RX-A840 Yamaha RX-A830
        Dimensions (W x H x D)435 mm x 171 mm x 367 mm (with antenna: 435 mm x 234 mm x 380 mm)
        17-1/8" x 6-3/4" x 14-1/2" (with antenna: 17-1/8" x 9-1/4" x 15")        		435 mm x 171 mm x 369 mm
        17-1/8" x 6-3/4" x 14-1/2"
        Weight10.6 kg (23.4 lbs)10.5 kg (23.2 lbs)
        SPECIFICATIONS Yamaha RX-A840 Yamaha RX-A830
        Power Output (8 Ω, 20 Hz - 20 kHz, 2 channel driven, FTC)100 W (0.09% THD)100 W (0.09% THD)
        Power Output (8 Ω, 1 kHz, 2 channel Driven, FTC)110 W (0.9% THD)110 W (0.9% THD)
        Rated Power Output (8 Ω, 1 kHz, 1 channel Driven)130 W (0.9% THD)130 W (0.9% THD)
        Maximum Effective Output Power (8 Ω, 1 kHz, 1 channel Driven, JEITA)165 W (10% THD)160 W (10% THD)
        Rated Power Output (4 Ω, 1 kHz, 1 channel Driven)160 W (0.9% THD)160 W (0.9% THD)
        Dynamic Power per Channel (2 Ω, Front)240 W250 W
        Dynamic Power per Channel (4 Ω, Front)195 W210 W
        Dynamic Power per Channel (6 Ω, Front)170 W180 W
        Dynamic Power per Channel (8 Ω, Front)130 W140 W
        THD0.06% (AV 5 etc. to Front, Pure Direct, 20 Hz - 20 kHz, 50 W, 8 Ω)0.06% (AV 5 etc. to Front, Pure Direct, 20 Hz - 20 kHz, 50 W, 8 Ω)
        Damping Factor100 (Front, 20 Hz - 20 kHz, 8 Ω)100 (Front, 20 Hz - 20 kHz, 8 Ω)
        Input Sensitivity and Impedance (Line)200 mV/47 kΩ200 mV/47 kΩ
        Maximum Input Sensitivity (Line)2.3 V2.3 V
        Rated Preout Level and Impedance1.0 V/1.2 kΩ1.0 V/1.2 kΩ
        Rated Lineout Level and Impedance200 mV/1.2 kΩ (AV OUT)200 mV/1.2 kΩ (AV OUT)
        Rated Headphone Jack Output Level and Impedance100 mV/560 Ω (AV 5 etc., 1 kHz, 50 mV, 8 Ω)100 mV/560 Ω (AV 5 etc., 1 kHz, 50 mV, 8 Ω)
        S/N Ratio (Line, IHF-A)110 dB100 dB
        Frequency Response (Analog In)+0/-3 dB (10 Hz to 100 kHz)+0/-3 dB (10 Hz to 100 kHz)
        Residual noise (IHF-A Network)150 µV (Speaker Out)150 µV (Speaker Out)
        Channel Separation at 1 kHz/10 kHz (LINE)75 dB/50 dB60 dB/45 dB
        DSD Sampling Rates via HDMI2.8 MHz2.8 MHz
        Video Input Sensitivity/Output Level and Impedance 1 Vp-p/75 Ω (Component Y)
        0.7 Vp-p/75 Ω (Component PB/CB, PR/CR)
        1 Vp-p/75 Ω (Composite)        		1 Vp-p/75 Ω (Component Y)
        0.7 Vp-p/75 Ω (Component PB/CB, PR/CR)
        1 Vp-p/75 Ω (Composite)
        Video Maximum Input1.5 Vp-p1.5 Vp-p
        Video Frequency Response5 Hz to 60 MHz, -3 dB (Component)5 Hz to 60 MHz, -3 dB (Component)
        Video S/N Ratio50 dB50 dB
        Ethernet Standard10BASE-T/100BASE-TX10BASE-T/100BASE-TX
        Wi-Fi StandardIEEE 802.11 b/g/n
        HDMI Input/MHL Terminal5 V, 1 A5 V, 1 A
        USB TerminalUSB2.0 5 V, 2.1 AUSB2.0 5 V, 2.1 A
        FM Frequency87.5 MHz - 107.9 MHz87.5 MHz - 107.9 MHz
        FM 50 dB Quiet Sensitivity (IHF, 1 kHz, 100% MOD.)Mono: 3 µV (20.8 dBf)Mono: 3 µV (20.8 dBf)
        FM S/N RatioMono/Stereo: 71 dB/ 70 dBMono/Stereo: 71 dB/69 dB
        FM Harmonic Distortion (IHF, 1 kHz)Mono/Stereo: 0.5%/0.6%Mono/Stereo: 0.3%/0.5%
        AM Frequency530 MHz - 1710 MHz530 MHz - 1710 MHz
        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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