30 Watt PA with Fog Signals, Bells and Whistles! Twice the power with two 30 watt PA outputs. You can connect one PA forward and one aft, or transmit out of both simultaneously. Four foghorn signals can be used depending on the conditions, or use the bells, whistles, horn or siren.Be heard! Four foghorn options allow automatic foghorn operation. Select the foghorn you need based on the navigation situation you are in. The VLH-3000 has all the functions you need including bells, whistles, horns, and sirens.Two mounting options are available. Bracket mount with the bracket and knobs included, or use the optional MMB-84 to flush mount in to a bulkhead.