This is all third hand off the internet so grain of salt, etc. From what I have read, the PurePower 2000 sounds markedly better than the lower end models despite the fact that the manufacturer says it shouldn't. Also, it allegedly is better sounding than dedicated circuits for some people. Anyway, note that there is electrical hum to some extent in every unit (my dealer admitted this when confronted) although apparently it is not typically loud enough to be heard above the music. The PurePower 2000 also has a fan. An even bigger concern is that a reviewer had a unit go bad, so the QC may be suspect although one case is not enough data to determine anything either way. There also do not appear to be separate isolated banks on the unit to isolate components from each other.
Given those concerns, I'm not ready to take a flyer on it although I think it would work very well in my system given that I am living in an apartment in a city.
Given those concerns, I'm not ready to take a flyer on it although I think it would work very well in my system given that I am living in an apartment in a city.