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7.1-Channel A/V Surround Receiver

Complementing Video Brilliance with Audio Excellence

Embodying the heart and soul of home theatre -- seven channels pumped by consistent power; high-quality 192 kHz/ 24-bit DACs for a highly accurate and smooth signal; component video for wideband quality; and speaker terminals for playback in another room -- the TX-SR503E is our answer to cost-effective, performance-oriented home theatre.  With reliability and ease-of-use, the TX-SR503E is your ticket to your own private cinema.


Amplifier Features

  • 100 watts per channel minimum into 6 ohms, 1 kHz, DIN
  • Wide Range Amplifier Technology (WRAT)
  • Reduced Negative Feedback (NFB)
  • H.C.P.S. - massive high power transformer
  • Optimum Gain Volume Control Circuitry
  • Discrete output stages for all channels
  • Full bandwidth power to all 7 main channels
  • Oversized electrolytic capacitors
  • High-current, low-impedance drive for all channels
  • Auto-protection circuitry
  • High-grade aluminum heatsink

Audio/Video Features

  • DTS, DTS 96/24, DTS Discrete/Matrix 6.1, DTS Neo:6, Dolby Digital, Dolby Digital EX, Dolby Pro Logic IIx
  • 192 kHz/24-bit DACs for all channels
  • Digital upsampling
  • HDTV-capable (50 MHz) component video switching
  • Non-scaling configuration
  • Advanced 32-bit DSP chip
  • A-form listening mode memory
  • “Easy-set” speaker configuration
  • CinemaFILTER
  • Crossover adjustment (60/80/100/120/150 Hz) for bass management
  • A/B speaker drive
  • “Double Bass” function
  • 3 component video inputs and 1 output
  • 3 S-Video inputs and 2 outputs
  • 4 composite video inputs and 2 outputs
  • 2 audio and 4 A/V inputs
  • 4 digital inputs (3 optical/1 coaxial)
  • Color-coded 5.1-multichannel inputs for DVD-Audio and Super Audio CD
  • Dedicated line-level subwoofer pre out

  • Direct mode
  • Pure Audio mode
  • Heavy-duty color-coded banana plug compatible speaker binding posts (except speaker B)
  • Late night mode (high, low, off)
  • Automatic signal detection
  • Rec out selector (audio/video)
  • Bass and treble tone control (L/R)

FM/AM Tuner Features

  • Outstanding selectivity and RDS sensitivity
  • 30 FM/AM random presets
  • FM auto scan tuning
  • FM stereo indicator
  • 75-ohm antenna input
  • FM indoor antenna supplied
  • AM loop antenna supplied

Other Performance Features

  • Precision digital speed-sensitive volume control
  • Absolute volume display
  • 3-mode display dimmer (bright, normal, low)
  • Headphone jack (standard size)
  • Audio mute (via remote)
  • Sleep timer (via remote)
  • Battery-free memory backup
  • Heavy-duty power cord
  • Large non-resonant feet
  • Heavy-gauge, anti-resonant, reinforced steel chassis
  • Brushed aluminum front panel
  • Preprogrammed RI (Remote Interactive) remote control



RSS News

Selected Onkyo A/V Receivers gain ‘Roon Tested’ Accreditation

Onkyo & Pioneer Corporation is pleased to announce that selected A/V receivers from Onkyo’s 2019 range have received… more

Press Release dated: 18 Sep 2019
Voice-control technologies, HDMI® support, and AccuEQ feature on Onkyo’s new Hi-Fi stereo receiver

TOKYO, JAPAN. September 3, 2019 — Onkyo & Pioneer Corporation, a driving force behind global home-entertainment and… more

Press Release dated: 3 Sep 2019
Onkyo’s new 11.2-Ch Flagship AVR builds on a legacy of electrifying sound with unique functions and a broad platform of next-generation audio-video features

TOKYO, JAPAN. September 3, 2019 — Onkyo & Pioneer Corporation today unveils its much-anticipated 11.2-channel flagship… more

Press Release dated: 3 Sep 2019
Firmware Update for IMAX® Enhanced and Dolby Atmos Height Virtualizer Released for Select Onkyo A/V Components

TOKYO, JAPAN. August 1, 2019 — Onkyo & Pioneer Corporation is pleased to release a firmware update today that… more

Press Release dated: 1 Aug 2019
Termination of Gracenote music recognition service on certain Onkyo products

Dear Valued Customer, We regret to inform you that we will terminate Gracenote music recognition service from the ONKYO… more

Press Release dated: 2 Jul 2019