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Onkyo TX-SR674

XM Ready home theater receiver with HDMI video switching and conversion (Silver)

Item # 580TXS674S

The rock-solid TX-SR674 enhances your movies, music, and TV shows with dynamic, enveloping 360° sound.

The rock-solid TX-SR674 enhances your movies, music, and TV shows with dynamic, enveloping 360° sound.

Need help?
Contact our Virginia-based experts.
Discontinued item

Item # 580TXS674S

Need help?
Contact our Virginia-based experts.

About the Onkyo TX-SR674

The rock-solid TX-SR674 enhances your movies, music, and TV shows with dynamic, enveloping 360° sound. Seven channels of Onkyo's renowned high-current amplification drive your home theater speakers with power and precision. HDMI connections keep your system ready for the latest video components, like high-definition disc players and set-top boxes. And the 'SR674's XM Radio and dual-room/dual-source capabilities give you easy ways to expand your entertainment options.

The rock-solid TX-SR674 enhances your movies, music, and TV shows with dynamic, enveloping 360° sound. Seven channels of Onkyo's renowned high-current amplification drive your home theater speakers with power and precision. HDMI connections keep your system ready for the latest video components, like high-definition disc players and set-top boxes. And the 'SR674's XM Radio and dual-room/dual-source capabilities give you easy ways to expand your entertainment options.

Sophisticated HDMI digital video capabilities
You can hook up two high-resolution video components to the 'SR674 via HDMI digital connections and switch between them easily — an especially handy feature if your TV only has one HDMI input. Analog-to-HDMI video conversion adds to the convenience, letting you pass the video signals from all your components to your TV via one HDMI connection. This simplifies hookup and maintains the best picture for every video source in your system. Plus, you'll never have to switch inputs on your TV again. For TVs without a digital input, component video conversion offers similar convenience in the analog video realm.

Advanced auto setup tailors sound to your room
For the most accurate home theater sound possible, the 'SR674 includes Audyssey 2EQ, a sophisticated speaker calibration system from Audyssey Laboratories. Using the included microphone, the receiver analyzes sound from two different listening positions, then automatically adjusts level, equalization, and delay settings for each of your speakers. You'll get clear, precise, natural sound that's optimized for your room.

XM Satellite Radio compatibility
The 'SR674 lets you enjoy XM Satellite Radio at home through your best speakers. Once you've added an optional XM Mini-Tuner package and activated your XM subscription, you'll have access to more than 170 channels of music, sports, talk, and more. Plus, it's compatible with XM's new HD Surround channels, which deliver music in multichannel sound. You can even view channel, artist, and song information on your TV and change channels using the 'SR674's remote.

iPod® integration
Add Onkyo's optional DS-A2 control dock to enjoy listening to tunes on your iPod through your stereo system. The DS-A2 features a video output that lets you view your iPod's photos and videos on a TV. Plus you can use the receiver's remote to control your player while it's docked.

Multi-room audio and more
Dual-room/dual-source capability lets you enjoy home theater in your main room while a housemate enjoys music in another room. The 'SR674 can even power a pair of stereo speakers in your second room. You also get a multibrand remote for controlling your other components, and an on-screen display that lets you view the receiver's menus and settings on your TV.

Learn about the ins and outs of HDMI connections at
Shop our selection of HDMI cables.


Product highlights:

  • 95 watts x 7 into 8 ohms (20-20,000 Hz) at 0.08% THD
  • Dolby® Digital EX, DTS-ES®, Pro Logic® IIx, and DTS Neo:6 decoding
  • 1080p-compatible HDMI switching (2 in, 1 out)
  • analog-to-HDMI video conversion
  • HDMI version 1.1
  • XM Satellite Radio Ready (requires XM subscription and optional XM Mini-Tuner package)
  • Neural Surround™ decoder for XM's HD Surround channels
  • iPod compatible with optional Onkyo DS-A2 iPod dock
  • Audyssey 2EQ auto speaker setup (microphone included)
  • dual-room/dual-source audio (powered and fixed line-level stereo audio output for 2nd room; using powered 2nd-room output allows 5.1 home theater in main room)
  • component video conversion
  • 192kHz/24-bit DACs for all channels
  • multibrand remote
  • component video switching: 3 in, 1 out (50MHz bandwidth)
  • digital inputs: 4 optical (including 1 front-panel), 2 coaxial
  • optical digital output
  • 7.1-channel analog audio preamp input
  • 5 audio/video (including 5 S-video and 1 front-panel) inputs
  • 2 audio inputs
  • no phono input
  • on-screen display (requires TV with direct video input)
  • 40 AM/FM/XM presets
  • Wide Range Amplifier Technology
  • aluminum front panel
  • oversized power transformer, filter capacitors and heat sinks
  • 1 pair of main speaker outputs
  • sleep timer
  • 17-1/8"W x 6-7/8"H x 15-1/2"D
  • warranty: 2 years
  • Our 60-day money-back guarantee
  • MFR # TXSR674S

What's in the box:

  • Silver AM/FM/Dolby Digital/DTS receiver
  • Wireless remote control (RC-651M)
  • 2 "AA" batteries
  • AM loop antenna
  • FM wire antenna (with push-on "F" connector)
  • Speaker setup microphone with attached 19.75' cable (3.5mm mono miniplug terminal)
  • Plastic speaker terminal wrench
  • Instruction Manual (English)
  • Quick Guide
  • Remote control code chart
  • Errata sheet
  • Product Registration/Warranty Card
  • Interactive iPod dock information
  • XM Radio Connect & Play information
  • Sheet of self-adhesive cable labels
  • "Caution!" sheet (concerning speaker terminals)

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More details on the Onkyo TX-SR674

Stacey B.

Features & specs

Number Of Channels N/A
Stereo RMS Power (watts) ---
THD in Stereo ---
Frequency Bandwidth (stereo) ---
Minimum Impedance L/R 6 ohms
Minimum Impedance Center 6 ohms
Minimum Impedance Surround 6 ohms
General Features
Bluetooth No
Apple AirPlay ---
Alexa-compatible No
Google Assistant-compatible No
Chromecast built-in No
DTS Play-Fi No
App Remote Control No
On-Screen Display
Auto Speaker Calibration ---
Multi-room Audio/Video
Powered Multi-room Audio Output No
Preamp Multi-room Audio Output No
Multi-room HDMI Output No
Total Number of Zones 2
Playback from Digital Audio Inputs No
Playback from Streaming Sources No
Surround Processing
Dolby Digital Yes
Dolby Atmos N/A
Dolby Atmos Height Virtualization ---
DTS:X ---
DTS Virtual:X ---
Inputs & Outputs
Phono Input No
Audio-Video Inputs 5
Audio-only Inputs 2
Component Video Inputs 3
Component Video Monitor Outputs 1
Optical Digital Inputs 4
Coaxial Digital Inputs 2
Optical Digital Outputs 1
Coaxial Digital Outputs None
Number of HDMI Inputs 2
HDMI Monitor Outputs 1
Subwoofer Outputs 1
Discrete Subwoofer Outputs No
Multi-Channel Analog Input No
Multi-channel Preamp Output No
Main Speaker Output Pairs Posts
Main Speaker Terminals Posts
Ethernet Port ---
USB Connections None
Removable Power Cord ---
Supports Wireless Rear Speakers No
HDMI Features
HDMI Version 1.1
VRR (Variable Refresh Rate) No
ALLM (Auto Low Latency Mode) No
4K/120Hz-Capable Inputs No
Audio Return Channel No
Video Upscaling No
HDR (High Dynamic Range) Support
HDR10 No
HDR10+ No
Dolby Vision No
Other Specs
FM Sensitivity 15.2 dBf
Multibrand Remote Control ---
Learning Remote No
Width (inches) 17.125
Height (inches) 6.876
Depth (inches) 15.5
Weight (pounds) ---
Parts Warranty 2 Years
Labor Warranty 2 Years

Product Research

Remote Control
Input and Output Notes


WRAT (Wide Range Amplifier Technology): This technology uses low-negative-feedback circuit topology for accurate signal reproduction, improved dynamic signal-to-noise ratio, and better delivery of power peaks.

Vector Linear Shaping Circuitry (VLSC): Onkyo's proprietary VLSC significantly reduces pulse noise from digital signals during the digital-to-analog conversion process to assure the signals are delivered in all their purity. This adds more depth and clarity to all your music sources (including digital music files) and movie soundtracks, and faithfully reproduces the acoustic detail and subtle nuances of all your audio sources. On the TX-SR674, the VLSC is used on all channels.

On-Screen Display (OSD): An OSD can be displayed on your television for easy system setup. The arrow and enter buttons on the remote allow you to navigate through the menus to select and set items. The OSD is passed through the composite video, S-video, and component video monitor outputs.

HDMI Switching: The TX-SR674 has two HDMI inputs and one HDMI output for connecting DVD players, HDTV set-top boxes, and other video components to your TV or projector. A single HDMI cable carries digital video and audio signals. The HDMI inputs are compatible with DVI, so TVs and displays with a DVI input can be connected by using an HDMI-to-DVI adapter cable, along with audio cables. The receiver uses HDCP (High-bandwidth Digital Content Protection), so only HDCP-compatible components can display the picture. The HDMI inputs can accept and switch 480i, 480p, 720p, 1080i, and 1080p signals to a TV, monitor, or projector.

Component Video Switching: In addition to HDMI, composite and S-Video switching, this unit can switch between high resolution component video sources. There are 3 component video inputs and 1 component video output; each input and output has jacks labeled "Y", "Pb" and "Pr". The component video inputs and outputs have a bandwidth of 5Hz to 50MHz.

Video Upconversion: The TX-SR674 can be configured to output composite, S-Video, and component video signals from the HDMI output. If your TV doesn't have an HDMI input, composite video and S-Video signals can be output from the component video output. Digital video signals received at the HDMI 1 and HDMI 2 are only output by the HDMI out jack.

Digital-to-Analog Converters (DACs): To decode and playback high-resolution recordings, this receiver is equipped with 192kHz/24-bit DACs.

Automatic Speaker Setup: With the supplied speaker setup microphone, the Audyssey 2EQ Automatic Speaker Setup function can measure and correct the room acoustics in your listening room. The speaker setup function measures the test tone output by each speaker and automatically determine the number of speakers connected, their sizes, crossover frequencies, and the distance from each speaker to the listening position. The supplied microphone is approximately 2" in diameter, 3/4" tall, and has a 20' cable that plugs into the front of the receiver. There is a threaded insert on the bottom of the microphone so it can be mounted on a tripod for accurate listening position placement. If you wish to setup the speakers manually, you can follow the procedure for Speaker Configuration.

Speaker Distance: The distance from your listening position to each speaker can also be set manually. The front speaker distance can be set from 1 to 30 feet in 1-foot increments. The center and subwoofer settings can be up to 5 feet more or 5 feet less than the distance you set for the front speakers. The settings for the surround left, surround right, surround back left, and surround back right speakers are each individually adjustable, and they may be up to 5 feet more or 15 feet less than the distance you set for the front speakers.

Speaker Levels: You can manually adjust the level of individual speakers during playback between -12dB and +12dB, and -15dB to +12dB for the subwoofer. These adjustments are temporary, and will be canceled when the receiver is turned off.

Double Bass: You can enhance the bass output by activating the Double Bass function. This function allows you to feed bass frequencies to the front left and right channels and to the subwoofer. Double Bass can be set only when the subwoofer is set to On, and the front speakers are set to Full Band.

Adjustable Crossover: This receiver has a built-in high-pass crossover for the speaker system. This setting is available when you tell the receiver that there is a subwoofer being used. The frequencies that you can choose from are: Full Band, 40, 50, 60, 80, 100, 120, 150, and 200 Hz. Frequencies lower than the set crossover point are output by the subwoofer.

Equalizer: The built-in EQ can be set automatically using the Auto Speaker Setup or it can be set manually. Each channel is individually adjusted. Each full range channel (front, center, surround, and surround back) has five EQ bands; 80 Hz, 250 Hz, 800 Hz, 2.5 kHz, and 8 kHz. The range of adjustment runs from -6 dB to +6 dB in 1 dB increments.

XM Ready: Using an optional XM Mini Tuner, a Mini Tuner Home Dock, and an XM subscription, you can take advantage of the variety and sound quality of XM Satellite radio. XM offers over 170 digital channels of music, news, sports, and talk radio and even has weather and traffic information in several major markets. The channel number, channel name, artist name, and song title are listed on the TX-SR674's display and on the connected TV monitor. XM stations are stored as presets and recalled in the same way as AM and FM stations.

iPod Compatible: The DS-A1 or DS-A2 Remote Interactive Dock for iPod (item #'s 580DSA1 and 580DSA2) provide an interface between an iPod digital media player and Onkyo TX-SR674. Once the iPod is docked you can control basic functions such as volume control, play, stop, and skip via the Onkyo system's RI-compatible wireless remote control. The dock also charges the battery in the iPod, and allows you to view digital photos and video on an Onkyo home theater system.

Assignable Digital Inputs: The TX-SR674 has 6 assignable digital inputs (4 optical/2 coaxial) allowing you to specify which input source is connected to which digital input jack.

Multi-Channel Input: The receiver is equipped with a 7.1 multi-channel input for compatibility with external decoders or high resolution audio players such as DVD-Audio or SACD. The input consists of left front, right front, center, subwoofer, left surround, right surround, left surround back and right surround back RCA inputs.

Direct Mode: This mode delivers pure sound with minimum sound quality adjustment and filtration. The sound recorded for the right and left front channels is output to the right and left front speakers only and not output to the subwoofer or rear speakers.

Zone 2 Output: This feature allows you to enjoy one source in your main listening room, while another source plays in a remote room. Depending on how you configure the receiver, using the dual zone feature will require an amplifier and speakers, a set of powered speakers, or simply a set of non-powered speakers located in a remote location. You can connect the dedicated Zone 2 stereo RCA line outputs to a receiver/amplifier or powered speakers in a remote room while powering a 7.1-channel speaker system in the main room; the output level of the RCA line outs is fixed, so they must be connected to an amplifier or powered speakers equipped with a volume control. You can also connect a pair of speakers to the receiver's dedicated Zone 2 speaker terminals, and still power a 5.1-channel speaker system in the main room. When the Zone 2 speaker terminals are turned on, the Surround Back speaker outputs do not work. When the Zone 2 speaker terminals are off, the Surround Back speakers outputs work as normal. The Zone 2 speaker output volume setting can be controlled with the remote.

Listening Modes: This receiver incorporates a wide variety of listening modes to bring you maximum enjoyment from your audio and video software. The listening modes include:

  • Direct: audio from the input source is output directly with minimal processing
  • Stereo: sound is output from the front left and right speakers and subwoofer
  • Mono: sound is output from the front left and right speakers and subwoofer
  • Multi-channel (7.1-channel input)
  • Dolby Pro Logic II: expands any 2-channel source to 5.1 channels
    • Movie
    • Music
  • Dolby Pro Logic IIx: expands any 2-channel source to 7.1 channels
    • Movie
    • Music
    • Game
  • Dolby Digital
  • Dolby Digital EX: expands 5.1-channel Dolby Digital and DTS sources to 6.1 or 7.1-channels
  • DTS
  • DTS 96/24
  • DTS-ES
    • Discrete
    • Matrix
  • DTS Neo:6: expands any 2-channel source to 6.1-channels
    • Cinema
    • Music
  • Neural Surround: surround technology developed for music and adopted by XM Satellite Radio for broadcasts of surround recordings and live events in surround sound.
  • Onkyo Original DSP Modes
    • Orchestra: for classical or operatic music
    • Unplugged: for acoustic instruments, vocals, and jazz
    • Studio-Mix: suitable for rock or pop
    • TV Logic: adds realistic acoustics to TV shows
    • Mono Movie: suitable for old movies and other mono sources
    • All Ch Stereo: ideal for background music
    • Full Mono: all speakers output the same sound in mono

Assigning Listening Modes: You can assign a default listening mode to each input source that will be selected automatically when you select that source.

CinemaFilter: Using the CinemaFilter you soften overly bright movie soundtracks. Movie soundtracks are typically mixed for a large theater (relative to your home theater) with lots of soft seats and thick curtains on the walls. Home theater settings often lack these high frequency absorbing wall treatments making the soundtrack sound too bright. CinemaFilter accounts for this and for many movies sounds more natural at home.

Late Night Feature: The Late Night feature limits the dynamic range of Dolby Digital recordings. Limiting the dynamic range makes it easier to find a volume that ensures the quiet sounds are not too quiet and the loud sounds are not too loud for night time listening. This allows you to comfortably listen to without the need to constantly adjust the volume to keep from waking family/neighbors. The choices are: Off, Low, and High.

Note: This feature only works with Dolby Digital Encoded software and the depth of the feature will vary based on the individual software package.

IntelliVolume Setup: The IntelliVolume setup function allows you set a volume correction value in the range of -12dB to +12dB, in 1dB increments, for each source to prevent large jumps in volume when switching from one source to another. This feature eliminates the inconvenience of manually readjusting the volume control each time you switch from a source with a weak signal to a source with a b signal and vice versa.

Volume Setup: The receiver volume can be configured in the following ways:

  • Maximum Volume: You can prevent the volume from being set too high by specifying a maximum level: 50-99.
  • Power On Volume: You can specify the volume setting each time the receiver is turned on from 1 (minimum) to 99, MAX, or Last to use the same level that was used when the receiver was turned off.

Sleep Function: From the remote, you can set the unit to automatically turn off after as much as 90 minutes or as little as 10 minutes; choices are presented in 10 minute increments.

Display Dimmer: The display illumination includes the green alphanumeric display and a blue ring around the volume knob. You can dim the display as follows: Normal + Volume light on, Normal + Volume light off, Dim + Volume light off, and Dimmer + Volume light off.

Remote Control

Multi-brand Remote: The supplied RC-651M wireless remote is a multi-brand remote. The remote is pre-programmed to operate Onkyo components, as well as other popular brands of equipment, including DVD players, satellite receivers, cable boxes, VCRs, and televisions.

Input and Output Notes

Multi-channel Input: The TX-SR674 has a multi-channel input for connecting a DVD player, a high resolution audio player (such as a DVD-Audio or SACD player), or an external decoder. The input consists of left front, right front, center, subwoofer, left surround, right surround, left surround back and right surround back RCA inputs. You can connect a component using only left and right audio jacks, if desired. In addition, there are composite and S-video jacks for this input. Note: The DVD input is included in the total of 7 A/V inputs.

Headphone Output: This receiver has a standard 1/4" headphone output on the front panel. The speaker outputs, except for the Zone 2 speakers, are muted when headphones are plugged in.

Speaker Outputs: There are color-coded binding post connectors for the left front, right front, center, left surround, right surround, left surround back, and right surround back speakers. The binding posts are not 5-way because a plastic collar prevents their use with spade lugs. The Zone 2 speaker terminals are also binding post connectors.

IR Input: The IR input jack allows you to control the receiver without line-of-sight access by purchasing an optional IR remote control system and locating the remote sensor in sight. This offers control from Zone 2, or when the receiver is located in a closed cabinet.

RI Remote Control Jack: The 1/8" RI remote control jack allows you to connect this receiver to compatible Onkyo components.

12 Volt Trigger: This 1/8" mini-jack output can be connected to the 12-volt trigger input on a power amplifier in Zone 2. When Zone 2 is turned on, a 12-volt/100 milliamp (max) trigger signal is output.

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