The Powercall USB6100 is the first generation, USB MP3 Siren Amplifier. Created and designed by David Fierstien of Powercall Sirens. Our unit is the Industry "Game Changer". Now you can have any siren sound you want, any sound effect you want, all within one unit and as loud, if not louder than your normal response siren. You don't have to worry about the draw that a federal will have on your rig or your vehicle. You don't have to buy a different siren to get a different tone. Just purchase the USB6100 and you can have all of those, in one unit. A guaranteed "Game Changer".
