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I don't know if it matters but Onkyo told me specifically not to put the M-80 on top of the P-80. The P-80 always goes on top. Not sure if it's because of the heat the M-80 gives off or of the P-80 needs the airflow. Just wanted to give you a heads up.
Interesting. When I had M-80 I had it set just like you said, but with my current setup I put the amp on top. I don't see any negative impact honestly, but I will measure the temps once I have a longer session. I am not too worried about it though, M-80 is class AB and Hypex Nilai is D. It doesn't really get that hot.
What he said is other way around. M-80 is power amp and P-80 is pre-amp. Onkyo put pre-amp on top on every promotional picture. But my intuition tells me otherwise to be honest, I want more airflow for amp...
A 50 has no dedicated sub out and it didn't support dirac bass control.
Y-50 has sub out so it might help to get the bass right, the question is only how good the proprietary room correction will be.
New firmware for P-80 was released today. Let's see if that fixes the connectivity issues.
The 15 April 2026 update will address the following:
1. Wi-Fi connectivity and performance have been refined for a more seamless experience.
2. Network streaming reliability, including AirPlay and Spotify, has been enhanced.
Edit: my first impressions are positive. I switched between tidal and YouTube music few times, I went much smoother. So far it looks good but I'll need few days to really say it is now better.
Got my P-80 and M-80 on Wednesday. So far love it. Sounds amazing. Works flawlessly.
Setting up the Wi-Fi was a pain in the ass though. It seems like the card is not turned on at the factory or something. Easiest way to do it is plug it into your router then turn it on from your computer. Works perfectly after that.
Also this thing seems to drive my BMR towers and sub way harder for some reason. Going to have to turn my sub down for the first time.
I can now confirm after couple days of testing and trying to break it - the major issues with connectivity seems to be resolved. Sometimes it take few seconds for first second to kick in, but switching between apps and phones and so on works without issues now. Earlier I would have to do a hard restart as some apps wouldn't start, since the update the issue is gone.
I auditioned the Onkyo P-80 / M-80 amplifier set at a dealer.
Speakers were Klipsch RP-8000F. The same speakers were also used with Quad Platina, which sounded much cleaner and more open.
With the Onkyo set I heard clear distortion, a compressed/constrained sound, poor transparency and lack of air. It sounded almost like overload or clipping, although the volume knob was only around 10–11 o’clock.
The dealer also seemed surprised by the sound. I am trying to understand whether this could be:
- a faulty demo unit,
- input overload / gain mismatch,
- speaker impedance/load interaction,
- protection or bias issue,
- poor amplifier design,
- or simply a bad system match.
Has anyone measured or serviced this amplifier? Are there known issues with this model?
Tested in 'Direct' mode, the P-80's RCA in/XLR out analogue preamplifier offers a maximum 8V output from a 220ohm source impedance – overall gain is +21.5dB and the maximum (single-ended, RCA) analogue input level is 4.2V. Distortion falls to a minimum of 0.0007-0.0008% at 0dBV (1V) output (re...
The published specification for Onkyo's M-80 differs by territory but for the UK it is rated at 150W/8ohm, with a –3dB response limit of 100kHz, and no formal numbers given for distortion. So how does the M-80 perform against its peers? In practice it delivers 2x175W/8ohm and 2x270W/4ohm (re. 1%...
The measurements look good, so I am not questioning the amplifier’s technical performance. I would simply like to hear from people who have actually listened to or owned the P-80/M-80.
How would you describe its sound in a real system? What speakers did you use, and was it in Direct mode or with Dirac/DSP enabled?
My dealer audition was not very convincing to me, so I am trying to understand whether this was due to the setup, the room, the demo unit, or just my personal preference.
I have absolutely no issues with mine. They sound clean and clear. Maybe they had something turned on like IQ or double bass and the store has a ****** set up.
