Check the listing for details. Crestron ABAR-1 Balanced Audio. Use with IDOCV. Nice!!. Condition: Used. Listed at 150.00 USD. For sale is one Crestron ABAR-1 Balanced Audio REceiver.. Use this unit to send balanced audio from an IDOCV or ISERVER over CAT5. MSRP $200 ABAR-1 Adagio® Balanced Audio Receiver Converts Crestron Home® CAT 5 balanced audio to RCA unbalanced audio. The ABAR-1 is an active balanced-to-unbalanced audio converter designed to enable the connection of any Crestron Home® CAT5 Balanced Audio source to a conventional unbalanced stereo line-level input. Connected at the input of an Adagio system or CNX-PAD8A audio distribution processor, the ABAR-1 allows a CEN-IDOCV Interface for Apple iPod® to be installed up to 500 feet from the central equipment location. It is also compatible with the Crestron iServer™ Network Audio Server (CEN-ISERVER), and many other Crestron products.