I have a similar setup in my bedroom - SF Home Concerto in the bedroom and inwalls in the bathroom. I went a somewhat unusual route that you might want to consider, although it is takes a little effort to set up. I use a low end integrated as the conrol center and to drive the bathroom and a separate higher end tube integrated to drive the main speakers. I use a Yamaha for the control integrated/receiver but there are lot of options for < $200 used (although you may have to look to find out with a sleep function). I then use a hybrid tube integrated (Pathos Classic One mkiii) for the Concerto. The Pathos is driven by the Tape Output jacks on the Yamaha. The tubes are only in the pre-amp section, so will last at long time. The Pathos Classic One mk iii may be too expensive, but the mk ii can be found used in your price range.
I use a simple Radio Shack universal remote to control the Yamaha and the Pathos.
The Pathos does not have a 12 volt trigger, but I use a Russound ACT-1 to provide power to it. It is a 120 volt outlet that is turned on and off by a 12 volt trigger. I use the line out of the Yamaha with a 120 v wall wart that provides the appropriate 12 volt trigger output. Then, I just turn the receiver on and off to turn both units on and off. Sounds like you could use your power conditioner to turn the ACT-1 on and off.
One issue, is this limits you to analog signals, so the Blu Ray player would need to decode the sound track and provide it to stereo analog outputs. Players that do this are now available.
The general idea is to use a low end solid state integrated/receiver as the control center and to drive the bathroom. Then you can drive the GP with a better quality integrated that may not have all control features and second speaker options that you need. May not be a good option for you, but though you should consider it.
I use a simple Radio Shack universal remote to control the Yamaha and the Pathos.
The Pathos does not have a 12 volt trigger, but I use a Russound ACT-1 to provide power to it. It is a 120 volt outlet that is turned on and off by a 12 volt trigger. I use the line out of the Yamaha with a 120 v wall wart that provides the appropriate 12 volt trigger output. Then, I just turn the receiver on and off to turn both units on and off. Sounds like you could use your power conditioner to turn the ACT-1 on and off.
One issue, is this limits you to analog signals, so the Blu Ray player would need to decode the sound track and provide it to stereo analog outputs. Players that do this are now available.
The general idea is to use a low end solid state integrated/receiver as the control center and to drive the bathroom. Then you can drive the GP with a better quality integrated that may not have all control features and second speaker options that you need. May not be a good option for you, but though you should consider it.