Check the listing for details. Chaos Audio signalling intercom beltpacks, new. Condition: New. Listed at 175.00 USD. Chaos Audio brand theatrical intercom beltpack . Brand new. Considered the gold standard of touring theatrical communications, the Chaos Audio system uses multiple beltpacks connected to a dedicated power supply using standard 3 pin microphone cable. Designed to use the Beyer DT108 or DT109 headset, terminated with a 4 pin XLR style connector. The unit has a lighted call button, 6 have an alternate action mic switch, 1 has a momentary mic switch, and each has an individual volume pot. Manufactured and sold by Goddard Design. The Chaos Audio intercom is current production, and we have both alternate action and momentary mic switch units available, as well as power supplies. Repairs are available at our facility in Brooklyn. price listed is for 1 piece. If you want more than 1 unit, please contact us for combining shipping. Comes with a 1 year warranty.