AVS Special Member
Join Date: Sep 2007
Location: Give a monkey a brain...
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You need a RECEIVER (AVR), to play music over the speakers.
Because of the multiple pairs of speakers, you will need something to provide IMPEDANCE MATCHING to prevent failure of the amplifier within the receiver (impedance-matching speaker selector box), althought the single in-wall volume control (VC) may have an impedance maching capability (IM-VC).
If you want to have local control of the receiver, you need some kind of local interface, e.g. keypad, or a distributed IR system, or both.
If you want to play different music from each speaker pair, you need a multichannel amplifier hooked to multiple sources (e.g. CD player, AM/FM tuner, Sirius tuner, bridge to play music from a PC).
Control from each zone via a keypad is done using catx (most keypads) or other cable (distributed IR).
New cables to keypad locations are often extremely easy to add/retrofit, if there is a basement below or attic above. Also, drywall is remarkably cheap to repair and paint - even cheaper if you learn to do it yourself.
Do the research and read all about distributed audio. When you get overwhelmed, read some more, let it sink in. Call a custom installer (CI) if you don't want to run the cable yourself, but do the research first. In fact, call several CI's - they may be willing to deal, in this competitive market.
You may wish to start by picking a dollar figure. If your budget is $100, just buy a used AVR locally off Craigslist, and expand when you feel like it.
Edit: your distributed audio system was designed to be used with a single source - it's complete. I have the same, came with my house. Built 1994.
Believe nothing, no matter where you read it, or who said it, no matter if I have said it, unless it agrees with your own reason and your own common sense. -Buddha
Give a monkey a brain and he'll swear he's the center of the universe. -Fishbone