Other factors affecting sound


I'm building a dedicated room in my basement and was wondering if I should care about in wall electrical wiring and Receptacles. Do these generally make a big difference. I assume anything should be better than builders quality material. Are there any specific recommendations? What about whole house surge protection? Also, I have an option to install a second electrical box, is this helpful? I have a 5000sq ft house in suburban area with very few houses near me. I have clean and stable power. Recommendations appreciated. 

ei001h
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My only recommendation is to put in more receptacles than you need across the whole wall. 

At least commercial ("spec grade") receptacles. I used Hubbell hospital-grade receptacles. They will outlast me.

I almost never go for any of the power woo… but all the previous posts make sense as one never has enough outlets, and if one needs new outlets you might as well get the hospital grade ones. And a bigger 20A circuit makes sense too, as does them surge protection.

I swear plaster walls sound better than drywall.

One could also do the decoupled wall scheme, and any door seals and windows options at the same time.