It's Loud, Compact & Low Cost

The Wobbulator Emergency Vehicle Siren is a quality built siren/yelp alarm that delivers big sound performance; 120 Dba at 4 feet with a frequency range of 600 to 1200 Hz. The Wobbulator features P/A, rebroadcast, wail, yelp, pulse airhorn and P/A override modes. The Wobbulator has a volume knob that controls all modes for use in people places such as parking lots, etc. The Wobbulator is easy to install with the electronics built-in the waterproof speaker assembly. Mount the super high-efficiency speaker in the engine compartment or grille housing of most vehicles or even on a roof-mounted bar; switch installs directly on the dashboard. Speaker measures 5"W x 7"H x 8"L. Purchase of Wobbulator includes 10 feet of cable. 1 year warranty. Ship. wt. 5 lbs.