It depends on what Sony receivers you have in the room?

If you have two of the new STDR5/3 models you can in the set up menu assign one to AV2 codes. You will then need to learn the AV2 codes from the included wand remote, after it has been set for AV2.

If they are the latest ES models, you can use the Xantech Gatekkeper system, more complex to set up and program and more expensive