Destructive BASS Flex w/ 4 15“ Zv4 Subwoofers | LOUD Katy Perry Song on Andy’s 10000W Sound System

Getting an awesome bass demo from Andy’s Subaru groundpounder! He’s got 4 Sundown Zv4 15’s on 10,000 watts playing frequencies into the low teens! Thanks for the jam session bro, keep it loud! :) Andy’s Killer 10,000 Watt Car Audio Setup 1999 Subaru Impreza w/ Stock Engine & Drivetrain 1 run of KnuKonceptz 0 gauge to the back Alpine CDE-123 rear / Alpine CDE-147 front 4 Sundown Audio Zv4 15“ Subwoofers Dual 1ohm Coils Center Port Flat Wall Tuned to 29hz Face of Wall Coated in Black