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Your cart is empty.Federal Signal's Audio Master 310-MV is an industrial intercom that provides reliable two-way communications and superior sound quality. This unit has a rugged Type 4X housing and is UL Listed and CSA Certified. The Audio Master 310-MV's standard features include volume control call button balanced line output dust- and water-tight housing listen/talk switch remote device activation and the ability to power another intercom at 24VDC. Remote device activation allows you to activate an auxiliary signal such as a horn or light. The intercom is easy to operate. Press the switch down to talk and release to listen. The 310-MV is ideal for use at oil refineries petrochemical plants offshore platforms pulp and paper mills water treatment facilities airports shipyards or anywhere reliable two-way communication is important for safe and efficient operation.
AJ Windmeyer
Reviewed in the United States on July 23, 2024
Bought this to replace an older Atkinson Dynamic unit after talking to the technicians at Federal Signal.Right off the bat - we had some issues.1. Terrible 60 cycle hum - when first powered on until you use the device, it hums SO BADLY it is irritating. The older AD units did NOT do this.2. NO WIRING HARNESS - you have to provide power to this unit and wire it in yourself, using their crappy manual.3. No wiring scheme for backwards usage on older units - despite their technician telling me that they can be used with older AD units - the wiring scheme is NOT in their manual4. Poor support - after calling two days in a row, they are clueless as to how to properly wire one of these up, and their technician even complained that i bought one of these, because "they really don't support these anymore, and nobody knows much on these units at Federal Signal any more".Not enthused so far. Maybe if i get some actual help from the manufacturer i would be more enthused. I will say, at nearly half the cost of the now discontinued but VERY reliable AD unit, i am guessing i got what i paid for. A 20 pound boat anchor.
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