USACI AUDIO COMPETITION CLASSES Stock: 0 – 600 /601-1800 /1801-3000 /3001-up watts Pro Stock: 0 – 600 /601-1800 /1801 -up watts Modified: 0 – 1000 /1001-2000 / 2001-4000 / 4001-up watts Super Modified: 0 - 4000 watts (Max 8 Amplifiers) /4001 – up watts (Unlimited Amps) Super Modified Extreme: Open Class Port Wars - (Unlimited Amps) Super Port Wars - (Unlimited Amps) BEGINNER CLASSES AUDIO COMPETITION RUN WHAT YOU BRUNG CLASSES These classes are only for beginners, if you have competed in USACi you may not compete in this class. Music Class (Open) Stock 0-1000 Modified 0-4000 Stock 1001-3000 Modified 4001-UP CLICK HERE FOR MORE INFO