I recently got an H2 Covert with a light and siren system, and it lives on a shelf in my room. It has a resistor on the siren, so it isn't deafening. All audio was recorded by me (LEV3 Plays the light relay sound) SIREN TONES ARE AS FOLLOWS: Manual Wail Yelp Hyper-Yelp Whoop Hi-Lo Hyper-Lo
Setup: Controller: Code 3 H2 Covert Siren Speaker: Federal Signal ES100C Lights: Whelen Ion B & Rs, 911EP R/R Lightbar, 2 Yellow Flashers w/ Sho-Me 11.1005 Flasher. Power Supply: 12VDC 400W.