The only way to have the 2 zones in sync is most likely to have the amplified with identical connections and amps. You need a multizone pre-amp with matched amps for each zone.
Even then, you won't get "exact" unless you are careful with matching interconnects and speaker wire lengths.
Finally, you will probably want to use matching speakers too.
Then, you still have to worry about the delay with you running from room to room to compare...
Even then, you won't get "exact" unless you are careful with matching interconnects and speaker wire lengths.
Finally, you will probably want to use matching speakers too.
Then, you still have to worry about the delay with you running from room to room to compare...