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    GENERAL Onkyo TX-SR494 Onkyo TX-NR474 Onkyo TX-SR444 Onkyo TX-NR414
    Brand Onkyo Onkyo Onkyo Onkyo
    Model TX-SR494 TX-NR474 TX-SR444 TX-NR414
    Type A/V Receiver A/V Receiver A/V Receiver A/V Receiver
    Country North America Australia USA USA
    Release Year 2019 2017 2015 2012
    AMPLIFIER Onkyo TX-SR494 Onkyo TX-NR474 Onkyo TX-SR444 Onkyo TX-NR414
    Channels 7.2 5.1 7.1 5.1
    Power Output 80 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven) 135 W (6 Ω, 1 kHz, 1 channel driven) 65 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven) 80 W (8 Ω, 20 Hz - 20 kHz, 2 channel driven)
    Front Wide Channel Support -
    Dynamic Audio Amplification - - -
    Non-Phase Shift Amplifier - -
    WRAT (Wide Range Amplifier Technology) - -
    VLSC (Vector Linear Shaping Circuitry)
    Optimum Gain Volume Circuitry
    THX™ Certification
    Continuous 6 Ω Rated
    Certified 4 Ω Performance
    Discrete Output Stage Circuitry
    3-Stage Inverted Darlington Circuitry - -
    PUSH-PULL Design - -
    Independent Block Construction (Amp/Preprocessor)
    Bi-amp Capability
    BTL (Bridged Transless or Bridging)
    AUDIO FEATURES Onkyo TX-SR494 Onkyo TX-NR474 Onkyo TX-SR444 Onkyo TX-NR414
    Digital Processing Crossover Network - - -
    Digital Signal Processing (DSP) Engine 32-bit Digital Signal Processing Engines 32-bit Digital Signal Processing Engines Advanced 32-bit DSP Chip Advanced 32-Bit Processing DSP Chip
    DAC AKM AKM AK4438 Burr-Brown Burr-Brown
    DAC Specs 384 kHz/32 Bit 384 kHz/32 Bit 192 kHz/24 Bit 192 kHz/24 Bit
    Maximum Channel Processing 7.1 5.1 7.1 5.1
    Air Studios Monitor Certification
    Dolby Atmos
    Dolby Atmos Height Virtualization
    Dolby Atmos Music
    Dolby TrueHD
    Dolby Digital Plus
    Dolby Surround Upmixer
    Dolby Pro Logic PLII
    Dolby Digital EX -
    THX Listening Modes - -
    Surround EX - -
    DTS:X
    DTS Neural:X
    DTS Virtual:X
    DTS Neo Neo:6 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 2-ch/Multi-ch Input 2-ch/Multi-ch Input
    Network Audio Formats - FLAC, WAV, Apple Lossless, WMA, MP3, DSD, AIFF, MPEG-4 AAC, LPCM - -
    Music Playback via USB FLAC, WAV, Apple Lossless, WMA, MP3, DSD, AIFF, AAC, Dolby TrueHD - FLAC, WAV, WMA, WMA Lossless, Ogg, MP3, LPCM, AAC
    High Resolution Music Playback via USB and/or Network up to 192 kHz - up to 192 kHz
    High Resolution Audio Formats via USB - FLAC, WAV, Apple Lossless, DSD, AIFF, AAC, Dolby TrueHD - FLAC, WAV, WMA Lossless, LPCM, AAC
    Gapless Playback - -
    DSD via HDMI 2-ch 2-ch/Multi-ch Input 2-ch/Multi-ch Input 2-ch/Multi-ch Input
    DSD via USB 2-ch Input -
    DSD to PCM Converter
    USB DAC
    Jitter Reduction PLL (Phase Locked Loop) Jitter-Cleaning Circuit Technology for S/PDIF Audio PLL (Phase Locked Loop) Jitter-Cleaning Circuit Technology for S/PDIF Audio PLL (Phase Locked Loop) Jitter-Cleaning Circuit Technology for S/PDIF Audio
    DTS Dialogue Control
    Dialog Enhancement
    Dialog Level Adjustment - -
    Dialog normalization
    Dialogue Lift
    Tone Control Front L/R Channels Front L/R Channels Front L/R Channels Front L/R Channels
    Compressed Music Enhancer Advanced Music Optimizer Advanced Music Optimizer (bluetooth included) Advanced Music Optimizer (bluetooth included) Advanced Music Optimizer
    High-resolution Music Enhancer
    THX Processing Mode
    Audyssey Dynamic EQ
    Audyssey Dynamic Volume
    Audyssey LFC
    Audyssey Sub EQ HT
    Audyssey DSX
    Phase-Matching Bass Boost for Deep Bass and Clear Mid-Range
    Direct Mode
    Pure Audio Mode
    Pure Direct Analog Path Mode
    Virtual Speakers T-D (Theater-Dimensional) T-D (Theater-Dimensional) T-D (Theater-Dimensional) T-D (Theater-Dimensional)
    Independent Subwoofer Outputs - -
    CALIBRATION Onkyo TX-SR494 Onkyo TX-NR474 Onkyo TX-SR444 Onkyo TX-NR414
    Auto Speaker Calibration System with Mic. AccuEQ AccuEQ with AccuReflex™ AccuEQ Advance
    VIDEO FEATURES Onkyo TX-SR494 Onkyo TX-NR474 Onkyo TX-SR444 Onkyo TX-NR414
    HDR10
    HDR10+
    Dynamic HDR
    BT.2020 color space
    Dolby Vision
    HLG (Hybrid Log Gamma)
    HDBaseT Compatible
    Enhanced Audio Return Channel (eARC)
    HDCP Version 2.3 2.2 2.2 2.2
    QMS (Quick Media Switching)
    ALLM (Auto Low Latency Mode)
    VRR (Variable Refresh Rate)
    QFT (Quick Frame transport)
    3-D Ready
    Video Signal Passthrough up to 4K/60p (RGB/YCbCr4:4:4) up to 4K/60p (RGB/YCbCr4:4:4) up to 4K/60p (RGB/YCbCr4:4:4/YCbCr4:2:2, 24 bit) up to 1080p
    Video Signal Upscaling 1080p to 4K
    Analog To HDMI Upconversion Composite Component**, Composite
    Component Video Upscaling - -
    Analog to Analog Video conversion - -
    Component Video Maximum Resolution - - 480i/576i -
    isf Certified Calibration Control
    CONNECTIVITY Onkyo TX-SR494 Onkyo TX-NR474 Onkyo TX-SR444 Onkyo TX-NR414
    Wi-Fi via Front USB (optional UWF-1 sold separately)
    Bluetooth SBC, AAC SBC, AAC
    Works with Amazon Alexa
    Chromecast Built-In
    Works with SonoS
    DTS Play-Fi
    MHL Input
    DLNA 1.5 -
    AirPlay AirPlay
    Apple Product Connection iPod, iPhone and iPad iPod, iPhone via RI Dock iPod and iPhone via front USB
    Remote App Onkyo Remote App for iPod touch/iPhone and Android-Powered Devices iPod touch/iPhone and Android-Powered Devices
    InstaPrevue Input Source Prevue
    TERMINALS Onkyo TX-SR494 Onkyo TX-NR474 Onkyo TX-SR444 Onkyo TX-NR414
    HDMI Inputs 4 4 4 6
    HDMI Outputs 1 1 1 1
    8K Inputs
    USB Input 1 (Rear) 1 Front (for iPod/iPhone)
    USB DC Out Port 5 V, 1 A
    Optical Inputs 1 2 2 2
    Optical Outputs
    Coaxial Inputs 1 1 1 2
    RCA Line Inputs 3 4 (1 Front) 7 (1 front) 6 (1 front)
    RCA Line Outputs
    XLR Line Inputs
    Phono Input
    Multi-Channel Input
    RCA Pre-Outs 0.2 0.1 0.1 0.1
    XLR Pre-outs
    Composite Video Inputs 2 3 (1 front) 5 (1 front)
    Composite Video Outputs 1
    S-Video Inputs
    S-Video Outputs
    Component Video Inputs 2 2
    Component Video Outputs 1
    Ethernet
    Ethernet Switch
    PC In
    Front A/V Inputs Mini-Jack Composite Video, RCA Audio USB, Composite Video, RCA Audio
    Speaker A/B Zone B
    Headphone Out 6.3 mm (1/4") 6.3 mm (1/4") 6.3 mm (1/4") 6.3 mm (1/4")
    Detachable Power Cord
    uport
    ZONES Onkyo TX-SR494 Onkyo TX-NR474 Onkyo TX-SR444 Onkyo TX-NR414
    Number of Zones 2 1 2 2
    Powered Zones 2 - 2
    Zone 2 Outs Zone B Pre/Line Out - RCA Line Out
    Whole House Mode
    RS-232C Interface
    +12V Trigger Output 0 0 0
    Remote (IR) Input/Output 0 / 0 0 / 0 0 / 0
    MISCELLANEOUS Onkyo TX-SR494 Onkyo TX-NR474 Onkyo TX-SR444 Onkyo TX-NR414
    On-Screen Display Graphical Overlaid On-Screen Display (OSD) via HDMI with Quick Set-Up Graphical Overlaid On-Screen Display (OSD) via HDMI with Quick Set-Up Basic Overlay
    GUI Languages 7 9 - -
    ONKYO-RI System Control
    RIHD (Remote Interactive Over HDMI)
    Pre-Pro/Learning Remote - / / /
    On Screen Remote Programming -
    Bi-directional Remote Setup via GUI -
    Activity Based Remote - - -
    Smart Grid-Ready - -
    RADIO Onkyo TX-SR494 Onkyo TX-NR474 Onkyo TX-SR444 Onkyo TX-NR414
    Analog Tuner FM/AM FM/AM with RDS FM/AM FM/AM
    Presets 40 40 40 40
    Digital Radio
    Internet Radio TuneIn vTuner
    Pandora
    Spotify
    Tidal
    Deezer
    Napster
    SiriusXM
    CONSTRUCTION Onkyo TX-SR494 Onkyo TX-NR474 Onkyo TX-SR444 Onkyo TX-NR414
    Solid Aluminum Front
    Speaker Terminals 7 5 9 5
    Large Speaker Terminals 2 5 2 5
    Color-Coded Speaker Terminals
    Transparent High-Grade Speaker Terminals
    Gold plated RCA terminals
    POWER Onkyo TX-SR494 Onkyo TX-NR474 Onkyo TX-SR444 Onkyo TX-NR414
    Power Supply AC 120 V, 60 Hz AC 220-240 V, 50/60 Hz AC 120 V, 60 Hz AC 120 V, 60 Hz
    Independent Power Supply 2
    H.C.P.S. (High Current Power Supply) Massive High Power Transformer Massive High Power Transformer
    Toroidal Transformer
    Power Consumption 490 W 400 W 4.3 A 4.2 A
    No Sound Power - 40 W 55 W 55 W
    Standby Power 0.1 W 0.15 W 0.15 W 0.1 W
    ECO Mode / Hybrid Standby Function - - -
    PHYSICAL Onkyo TX-SR494 Onkyo TX-NR474 Onkyo TX-SR444 Onkyo TX-NR414
    Dimensions (W x H x D) 435 mm x 160 mm x 328 mm
    17-1/8" x 6-5/16" x 12-15/16"     		435 mm x 160 mm x 328 mm 435 mm x 160 mm x 328 mm
    17-1/8" x 6-5/16" x 12-15/16"     		435 mm x 173.5 mm x 328 mm
    17-1/8" x 6-13/16" x 12-15/16"
    Dimensions of Package (W x H x D) 525 mm x 240 mm x 405 mm
    20-11/16" x 9-7/16" x 15-15/16"     		- - -
    Weight 8.2 kg (18.1 lb 10 oz) 8.6 kg 7.8 kg (17.2 lbs) 8.6 kg (19.0 lbs)
    Weight of Package 10.5 kg (23.1 lbs) - - -
    SPECIFICATIONS Onkyo TX-SR494 Onkyo TX-NR474 Onkyo TX-SR444 Onkyo TX-NR414
    Power Output (8 Ω, 20 Hz - 20 kHz, 2 channel driven, FTC) 100 W (0.08% THD) - 65 W (0.7% THD) 80 W (0.7% THD)
    Power Output (6 Ω, 1 kHz, 2 channel driven, FTC) - - - 110 W (0.9% THD)
    Power Output (6 Ω, 1 kHz, 1 channel driven, FTC) - - 115 W (0.9% THD) 130 W (1% THD)
    Maximum Effective Power Output (6 Ω, 1 kHz, 1 channel driven, JEITA or IEC) 160 W (10% THD) 160 W (10% THD) 120 W 160 W
    Rated Power Output (6 Ω, 1 kHz, 1 channel driven, IEC) - 135 W (1% THD) 100 W (1% THD) 130 W (1% THD)
    Dynamic Power per Channel (3 Ω, Front) - 160 W 160 W 180 W
    Dynamic Power per Channel (4 Ω, Front) - 125 W 125 W 160 W
    Dynamic Power per Channel (8 Ω, Front) - 85 W 85 W 100 W
    THD 0.08% (20 Hz - 20 kHz, Half power) 0.08% (20 Hz - 20 kHz, Half power) 0.08% (20 Hz - 20 kHz, half power) 0.08% (20 Hz - 20 kHz, half power)
    Damping Factor - - 40 (Front, 1 kHz, 8 Ω) 60 (Front, 1 kHz, 8 Ω)
    Input Sensitivity and Impedance (Line) 200 mV/47 kΩ (1 kHz, 100 W/8 Ω) 200 mV/47 kΩ (1 kHz, 100 W/8 Ω) 200 mV/47 kΩ (LINE, 1 kHz 100 W/8 Ω) 200 mV/47 kΩ (Line)
    Rated Lineout Level and Impedance - - - 200 mV/2.2 kΩ
    Maximum Lineout Level and Impedance - - - 2 V/2.2 kΩ
    Rated Headphone Jack Output Level and Impedance - 330 Ω - -
    Rated Headphone Power Output 80 mW (32 Ω, 1 kHz, 10% THD) 80 mW (32 Ω, 1 kHz, 10% THD) - -
    S/N Ratio (Line, IHF-A) 109 db 106 dB 100 dB 100 dB
    Frequency Response (Analog In) 10 Hz - 100 kHz/+1 dB, -3 dB (Direct) 10 Hz - 100 kHz/+1 dB, -3 dB (Direct/Pure Audio) 10 Hz - 100 kHz/+1 dB, -3 dB (Direct mode) 5 Hz - 100 kHz/+1 dB, -3 dB (DSP bypass)
    DSD Sampling Rates via HDMI 2.8 MHz 2.8 MHz - 2.8 MHz
    DSD Sampling Rates via USB - 2.8 MHz, 5.6 MHz - -
    Video Input Sensitivity/Output Level and Impedance - 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)     		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 Frequency Response - - - 5 Hz - 100 MHz/+0 dB, -3 dB (Component)
    Ethernet Standard - 10BASE-T/100BASE-TX 100BASE-TX
    Wi-Fi Standard - IEEE 802.11 a/b/g/n - -
    Wi-Fi Terminal Frequency - 5 GHz, 2.4 GHz - -
    Bluetooth Version 4․2 4․1 + LE 2․1 + EDR -
    Bluetooth Frequency 2.4 GHz 2.4 GHz 2.4 GHz -
    USB Terminal 5 V, 1 A 5 V, 1 A - -
    FM Frequency 87.5 MHz - 107.9 MHz 87.5 MHz - 108.0 MHz 87.5 MHz - 107.9 MHz 87.5 MHz - 107.9 MHz
    FM 50 dB Quiet Sensitivity (IHF, 1 kHz, 100% MOD.) Mono: 1.0 µV (11.2 dBf) - - -
    AM Frequency 530 kHz - 1710 kHz 522/530 kHz - 1611/1710 kHz 522/530 kHz - 1611/1710 kHz 522/530 kHz - 1611/1710 kHz
    Warranty 2 Years 2 Years 2 Years 2 Years
    Amazon Affiliate Disclosure
    ZKelectronics is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for website owners to earn advertising fees by advertising and linking to Amazon (.com, .co.uk, .ca, etc) and any other websites that may be affiliated with Amazon Service LLC Associates Program.