The AC12 allows you to connect up a system consisting of both the latest Meridian SpeakerLink products, and earlier Meridian products using Meridian Comms over either 5-pin DIN connectors or BNC connectors. The AC12 is a passive component and so is completely selfcontained; it does not need a power supply or mains connection.
I have three AC-12s for sale. $225 each. All three for $600.
Paypal charge of 3.5% and shipping extra .Overseas shipping is $55 via USPS