Bosch AVSM Synchronization Modules - Red, Green AVSM-R

The Gentex AVSM (12 V or 24 V) modules provide an easy way to synchronize multiple horns and strobe light flashes using only two wires. The modules can operate one Class A circuit or two Class B circuits at 3 A per circuit. With the module in temporal (Code 3) mode, it synchronizes multiple horn signals and allows the horns to be silenced while the strobes continue to flash. There is no limit to the number of modules that can be synchronized together

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