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5.1-Channel A/V Surround Receiver

Proving that Entry-Level Home Theatre isn’t about Limitations

The TX-SR304E 5.1-channel home theatre receiver doesn’t follow that well-trodden path. By giving you the connections to the A/V components on everyone’s lips today—HDTVs, digital video recorders, gaming consoles, etc—the TX-SR304E wants to broaden your entertainment possibilities, not limit them to basic DVD and CD playback. Naturally, you’ll want the audio quality associated with the Onkyo name. That’s why we’ve included the circuitry and quality parts found in other Onkyo home theatre receivers: Optimum Gain Volume Circuitry, 192 kHz/24-bit DACs, a 32-bit DSP chip, and an H.C.P.S. (High Current Power Supply) transformer.


Amplifier Features

  •  100 W/Ch., 6 Ù, 1 kHz, IEC (1 channel driven)
  • Optimum Gain Volume Control Circuitry
  • H.C.P.S.—high current power supply
  • Aluminum heatsink
  • Auto-protection circuitry

Audio/Video Processing and Connectivity Features

  • DTS®, DTS® Neo:6 5.1, Dolby® Digital, Dolby® Pro Logic II
  • 192 kHz/24-bit DACs for all channels
  • Advanced 32-bit processing DSP chip
  • HDTV-capable (50 MHz) component video switching (3 inputs/1 output)
  • 3 digital inputs (2 optical/1 coaxial)
  • 4 composite video inputs and 2 outputs
  • 2 audio inputs and 1 output
  • Non-scaling configuration
  • A-form listening mode memory
  • CinemaFILTER™
  • Double Bass function
  • Tone control (bass/treble) for front L/R channels
  • Late night mode (high/low/off)
  • Original Onkyo DSP listening modes
  • Direct mode
  • A/B speaker drive
  • Color-coded 5.1-multichannel inputs
  • Subwoofer pre out
  • Color-coded speaker terminals

FM/AM Tuner Features

  • Outstanding selectivity and 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

  • 3-Mode display dimmer (bright/normal/low)
  • Headphone jack (standard)
  • Audio mute (via remote)
  • Sleep timer (via remote)
  • Battery-free memory backup
  • Heavy-duty power cord
  • Non-resonant feet
  • Heavy-gauge, anti-resonant, reinforced steel chassis
  • Vibration-resistant cover
  • “Easy-set” speaker configuration
  • Crossover adjustment (40/50/60/80/100/120/150/200 Hz) for bass management
  • Compatible with RI (Remote Interactive) Dock for the iPod
  • A/V synchronization function (0/20/40 ms)
  • Full-function 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