Best Onkyo Home Theater System Reviews For 2018

Here is the lineup of multi-channel receivers from Onkyo for the model year 2018.

  • TX-SR373
  • TX-SR383
  • TX-NR575
  • TX-NR585
  • TX-NR676
  • TX-NR686
  • TX-NR777
  • TX-NR787
  • TX-RZ1100
  • TX-RZ3100
  • TX-RZ5100
  • TX-RZ630
  • TX-RZ730
  • TX-RZ830
  • TX-RZ920

Now let’s take a look at popular older models.


Onkyo TX-SR308People exploring the lower budget end of the home entertainment systems are looking for affordable ways to maximize performance and features without breaking the bank.

Engineers have realized that and put this knowledge into the newest entry-level audio/video (A/V) receiver, the Onkyo TX-SR308.

TX-SR308 home theater receiver is not only ready for the new 3D video future (with its latest HDMI 1.4 specifications). In addition to that TX-SR308 can handle DTS and Dolby high-definition lossless audio codecs, for example, Dolby TrueHD and DTS-HD Master Audio.

The engineers in this unit have combined the advanced A/V processing and lots of convenient features, such as:

  • audio inputs on front panel for direct connection of iPods and other MP3 players,
  • new overlaid On-Screen Display (OSD) allows easy adjustment of settings
  • Universal Port for connecting the peripherals.

With the TX-SR308, you get an AV receiver ready to work with the latest high-definition entertainment sources, today and in future.


  • Output (2 channels driven) – 65 Watts per channel @ 8 Ohms, frequency range 20 Hz – 20 000 Hz, 0.7%
  • OSD, 1080p video and sound processing via HDMI Version 1.4 connections – 3 inputs & 1 output – supports Dolby TrueHD, Master Audio DTS-HD , 3D Video Formats, Audio Return Channel, Deep Color, x.v.Color, LipSync,
  • Thru Universal Port can be connected optional dock for iPod or HD Radio Tuner


Onkyo TX-SR508Onkyo is on its mission to deliver state-of-art sound and video playback quality to every home, no matter what income level it is.

The 7.1-channel TX-SR508 receiver is an entry-level home theater centerpiece which will unleash the real power all of your favorite AV entertainment sources.

Experienced engineers designed the Onkyo SR508 with processing and connectivity features that previously were only dreamed of at this price level:

  • 4 pcs of 3D-ready HDMI 1.4 inputs allows connecting 4 high-definition signal sources
  • It supports studio master quality High Definition Dolby and DTS sound recordings
  • New surround sound possibilities are available to you because of compatibility with Dolby®Pro Logic® IIz
  • Powered Zone 2 and bi-amping offers more flexibility in connecting speakers
  • You can plug in even more peripherals and portable devices like MP3 players with Universal Port and front panel input

Engineers have utilized volume and equalization technologies developed by Audyssey to ensure exceptional listening comfort and a room-fitting soundstage.


  • Output specs – 80W per channel at 8 Ohms (2 channels driven), range 20 Hz–20 kHz, 0.08%
  • Supports playback of 2 separate sources in two rooms thru 2 sets of Line-outs
  • Sound, OSD, and 1080p Video Processing via HDMI ports
  • HDMI – 4 inputs and 1 output
  • 4 DSP sound processing modes for videogames and entertainment: Role-Playing Games, Sports, Rock, and Action


Onkyo TX-SR608Some will for sure call Onkyo TX-SR608 receiver an “entry-level” A/V receiver. Just let TX-SR608 show its real potential, and you will be convinced that its level is far above the entry level.

If you look at TX-SR608 A/V receiver, you will notice 6 pieces of latest standard HDMI 1.4 inputs for hooking up your high definition signal sources. The cool part is that this standard is compatible with the latest 3D picture format!

In addition to HDMI inputs, TX-SR608 features an analog RGB video input for connecting your PC and the unique Universal Port for connecting peripherals made by Onkyo. The signal from all video sources you can connect to your SR608 receiver can be upscaled to 1080p resolution and Faroudja DCDi Cinema feature.

Bells and whistles in audio processing department incorporate Burr-Brown DACs, lossless Dolby and DTS codecs, and the expanded surround formats of Audyssey DSX and Dolby Pro Logic IIz. If you want to hear more jargon, I will tell you that 3 stage inverted Darlington circuitry and jitter-cleaning technology work to provide precise and correct amplification.

The TX-SR608’s outstanding performance has earned THX Select2 Plus Certification for this device.


  • THX Select2 Plus Certified
  • Output power with stereo channels driven – 100 Watts per channel at 8 Ohms, 20 Hz – 20000 Hz frequency range, 0.08%
  • Faroudja DCDi Cinema feature provides video upscaling to 1080p
  • 7 HDMI connections – 1 front and 5 rear inputs, and 1 output
  • Latest HDMI Version 1.4 supports 3D and Audio Return Channel with Deep Color, x.v.Color, Dolby TrueHD, DTS-HD Master Audio, and LipSync.


Onkyo TX-NR5009 has earned its own review which can be found HERE.