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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

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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