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5.1-Channel A/V Surround Receiver

Setting the Quality Benchmark for Entry-Level Home Theatre

You can really get a lot from today’s entry-level home theater receivers. Onkyo’s entry-level TX-SR303E 5.1-channel home theatre receiver is a challenge to all others to lift their game. By incorporating Onkyo proprietary technologies like WRAT(Wide Range Amplifier Technology) and Optimum Gain Volume Circuitry ensures an audio performance worthy of today’s high-resolution formats and a signal-to-noise ratio in excess of 100 dB, respectively. To further improve the quality of the signal, the TX-SR303E has 192 kHz/24-bit DACs for all five channels. For a reliable base on which to build a home theatre system, you can’t go far wrong with the TX-SR303E.


Amplifier Features

  • 90 watts per channel minimum into 6 ohms, 1 kHz, DIN
  • Wide Range Amplifier Technology (WRAT)
  • Extended frequency response (10 Hz to 100 kHz)
  • Full bandwidth power to all 5 main channels
  • Optimum Gain Volume Control Circuitry
  • Oversized electrolytic capacitors
  • Fully discrete output stages for all channels
  • Massive isolated transformer
  • Large high-grade aluminum heatsink
  • Auto-protection circuitry

Audio/Video Features

  • DTS, DTS Neo:6 5.1, Dolby Digital, Dolby Pro Logic II
  • 192 kHz/24-bit DACs for all channels
  • Advanced 32-bit DSP chip
  • Late night mode (high, low, off)
  • Non-scaling configuration
  • 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
  • Tone control (bass/treble) for front L/R speakers

  • Automatic signal detection
  • 5.1-multichannel color-coded inputs for DVD-Audio and Super Audio CD
  • 2 digital inputs (1 optical, 1 coaxial)
  • 4 composite video inputs and 2 outputs
  • 2 audio inputs and 1 output
  • Subwoofer pre out
  • Color-coded speaker terminals

FM/AM Tuner Features

  • Outstanding selectivity and sensitivity
  • Radio data system (RDS)
  • 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 (normal, dim, dark)
  • Headphone jack (standard size)
  • Audio mute (via remote)
  • Sleep timer (via remote)
  • Battery-free memory backup
  • Heavy-duty power cord
  • Full-function RI (Remote Interactive) remote control



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Press Release dated: 30 Apr 2019
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OSAKA, JAPAN. Onkyo is pleased to confirm the release of a firmware update that will add Apple AirPlay 2 capabilities to… more

Press Release dated: 18 Apr 2019
Onkyo Unveils A High-Performance THX® Certified Select™ AV Receiver and Flexible 3D Audio-Ready Home Cinema Packages

OSAKA, JAPAN. Onkyo is continuing its mission to make home entertainment more immersive and ever more adaptable with the… more

Press Release dated: 26 Mar 2019
Onkyo Launches Value-Packed AVRs with Dolby Atmos® and DTS:X® for 3D Audio Through Any Speaker Layout

OSAKA, JAPAN. Onkyo presents a persuasive value proposition with two Dolby Atmos and DTS:X enabled A/V receivers, the 5.2-ch… more

Press Release dated: 6 Feb 2019