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I installed a A4603 / 1260 combination system in my home 8 years ago, and it has worked well for me. I also have an unused A4601 controller “on the shelf” and was wondering what the difference(s) are between the A4601 and A4603 units.

Asked By – On December 29, 2014 – With Comments Off


The primary difference between the unit is that the A4603 added the RS-232 Serial connection that the A4601 does not have allowing this system to integrate with third party control systems to send commands and control the audio. Otherwise they are very similar in design and would function the same.

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