Whelen Airhorn Plus with Public Address Function Emergency Vehicle Horn PA System for Car Universal 12V Vehicle Fit Compatible with Standard 100W Siren Speakers

Power Output: Delivers 100 watts of power to a compatible 100W siren speaker.Sound: Emits the standard emergency-style airhorn tone used by police, fire, and EMS.Public Address (PA): Includes a high-gain microphone with adjustable volume control for clear voice commands.Installation: Features a remote-mount amplifier that fits discreetly under a seat or in the trunk, and can wire directly to your vehicle's horn ring.Compatibility: Works on universal 12V vehicle systems with standard 100W speakers (such as the Whelen SA314P, sold separately).