Eaton 9px as audio power regenerator?


I was looking at prices of audio power regenerators; I then thought of alternatives.
Does anyone here have experience with the Eaton 9xp? It's a double conversion UPS.
I would probably switch out the fan in it if I was to purchase one.
I just don't have the cabbage for a PS Audio regen.
I live in a condominium, enough said....
I was listening to some Jeff Healey Band; as I noticed the light above me fluctuating in brightness. I didn't notice a change in sound quality, but it got me thinking.
What do you all think?

Thanks for any input!
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Oh yeah, an update to my UPS project..: I’ve run two circuits, 15 amp over 14AWG through AFCI breakers. The run is only 25 feet, so 14AWG is nice and efficient, and a lot easier to run, not to mention a lot cheaper than blue 12AWG Romex. It’s just roughed in now, should be finished with other Reno work in a couple weeks. One circuit will power my right channel NAD 2700 and the other will power my left channel NAD 2700 vertically bi-amped into recently purchased Energy Reference Connoisseur RC-70 speakers. Can’t wait to hear it!
@martin-andersen Hi, I ended-up getting a really good deal on a PS Audio P12 regenerator.

If I ever get my second A/V system put together; I'm still considering the Eaton; from what I'm reading, they're a really good alternative to the higher priced regenerators. They do have fans though.