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Onkyo TX-SR504

XM Ready home theater receiver (Black)

Item # 580TXS504B

Onkyo designed the TX-SR504 to deliver cinematic, 360º sound for all your movies, TV shows, and music.

Onkyo designed the TX-SR504 to deliver cinematic, 360º sound for all your movies, TV shows, and music.

Discontinued item

Item # 580TXS504B

About the Onkyo TX-SR504

Onkyo designed the TX-SR504 to deliver cinematic, 360º sound for all your movies, TV shows, and music. This receiver teams up seven channels of Onkyo's acclaimed high-current amplification, advanced surround processing, and rugged Onkyo construction. The result is a dynamic, enveloping home theater experience every time you turn it on.

Onkyo designed the TX-SR504 to deliver cinematic, 360º sound for all your movies, TV shows, and music. This receiver teams up seven channels of Onkyo's acclaimed high-current amplification, advanced surround processing, and rugged Onkyo construction. The result is a dynamic, enveloping home theater experience every time you turn it on.

To add XM Radio reception to your listening options, you just need an optional XM Mini-Tuner package and an XM subscription. This gives you access to more than 170 exciting XM Satellite Radio channels. The 'SR504 is also one of the first receivers to offer Neural Surround decoding, which lets you enjoy XM's new HD channels in true surround sound. You can also view channel, artist, and song information on your TV, and change channels using the receiver's remote control.

The 'SR504 also lets you 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.

You get inputs and outputs to hook up plenty of gear like your DVD player, cable box, VCR, CD changer, and more. Component video inputs let you switch between high-resolution video sources like an HDTV tuner and a DVD player while maintaining great picture quality. And the multibrand remote with learning capability gives you easy control of your whole system.

The 'SR504 also lives up to Onkyo's reputation for quality receiver construction inside and out. Advanced digital-to-analog converters bring out all the nuances in your digital movies and music. And the sturdy, anti-resonant chassis and oversized internal components keep your multichannel sound clear and dynamic at all times.

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    Product Highlights:

    • 75 watts x 7 into 8 ohms (20-20,000 Hz) at 0.08% THD
    • Dolby® Digital EX, DTS-ES® and Dolby Pro Logic® IIx decoding
    • XM Satellite Radio Ready (requires XM subscription and optional XM Mini-Tuner package)
    • Neural Surround decoder for XM's HD Surround channels
    • iPod integration (requires optional Onkyo DS-A2 control dock)
    • Wide Range Amplifier Technology
    • 192kHz/24-bit DACs for all channels
    • CinemaFILTER
    • component video switching: 3 in, 1 out (50MHz bandwidth)
    • digital inputs: 3 optical, 1 coaxial
    • 2 audio inputs
    • 4 A/V inputs (including 3 S-video and 1 front-panel)
    • 7.1-channel analog audio preamp input
    • multibrand remote
    • 2 sets of main speaker outputs
    • banana plug-compatible speaker posts for all main-room speakers
    • high-current, low-impedance amp design
    • aluminum front panel
    • oversized power transformer, filter capacitors and heat sinks
    • no phono input
    • 30 AM/FM presets
    • 17-1/8"W x 5-15/16"H x 15-1/2"D
    • warranty: 2 years
    • Our 60-day money-back guarantee
    • MFR # TXSR504

    What's in the box:

    • Black AM/FM/Dolby Digital/DTS receiver
    • Wireless remote control (RC-647M)
    • 2 "AA" batteries
    • AM loop antenna
    • FM wire antenna (with push-on "F" connector)
    • Plastic speaker terminal wrench
    • Instruction Manual (English)
    • Quick Guide
    • Remote control code chart
    • Product Registration/Warranty Card
    • Interactive iPod dock information
    • XM Radio Connect & Play information
    • Sheet of self-adhesive cable labels
    • "Caution!" sheet (concerning speaker terminals)
    • "Caution!" sheet (concerning Optical Digital Audio jacks)

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    Onkyo TX-SR504 reviews

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    More details on the Onkyo TX-SR504

    Stacey B.

    Features & specs

    Amplification
    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 No
    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 1
    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 Yes
    DTS:X ---
    DTS Virtual:X ---
    Inputs & Outputs
    Phono Input No
    Audio-Video Inputs 4
    Audio-only Inputs 2
    Component Video Inputs 3
    Component Video Monitor Outputs 1
    Optical Digital Inputs 3
    Coaxial Digital Inputs 1
    Optical Digital Outputs None
    Coaxial Digital Outputs None
    Number of HDMI Inputs None
    HDMI Monitor Outputs None
    Subwoofer Outputs 1
    Discrete Subwoofer Outputs No
    Multi-Channel Analog Input No
    Multi-channel Preamp Output No
    Main Speaker Output Pairs Posts A/Clips B
    Main Speaker Terminals Posts A/Clips B
    Ethernet Port ---
    USB Connections None
    Removable Power Cord ---
    Supports Wireless Rear Speakers No
    HDMI Features
    HDMI Version N/A
    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
    HLG No
    Dolby Vision No
    Other Specs
    FM Sensitivity 11.2 dBf
    Multibrand Remote Control ---
    Learning Remote No
    Width (inches) 17.125
    Height (inches) 5.916
    Depth (inches) 15.5
    Weight (pounds) ---
    Parts Warranty 2 Years
    Labor Warranty 2 Years
    The Onkyo TX-SR504 replaces these items:

    Product Research

    Features
    Remote Control
    Input and Output Notes

    Features

    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.

    Component Video Switching: In addition to 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.

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

    Speaker Distance: The distance from your listening position to each speaker can be set in the receiver. 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 Large.

    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: 40, 50, 60, 80, 100, 120, 150, and 200 Hz. Frequencies lower than the set crossover point are output by the subwoofer.

    XM Ready: Using the optional XM Mini Tuner, the 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-SR504'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-SR504. 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-SR504 has 4 assignable digital inputs (3 optical/1 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.

    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

    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.

    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: You can adjust the brightness of the display. You can select dim, dimmer, or normal brightness.

    Remote Control

    Multi-brand Remote: The supplied RC-647M 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-SR504 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. All speaker outputs 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. The Front Speakers B terminals are spring clips.

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

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