Now that whole house batteries are becoming more affordable, maybe we’ll see people dedicate them to audio only circuits. I can just imagine taking that to the local planning office and trying to explain it for building permits!

Living room: 818v3, Parasound A23+, Maggie 1.6
A/V room: 861v8, DSP7200SE L/R/C, 4x DSP320 surrounds, ID41 + Roon, UHD722, Prime+PS