My name is Chris and I'm a car audio competitor. I compete in BassRace for dB Dragracing. My sponsors include: MASSIVE AUDIO and Excessive Amperage. My vehicle is a 1990 Dodge Grand Caravan. Audio consist of the following: 6 Massive Audio DMX 15" subwoofers 3 Massive Audio P3000 amps 1 Massive Audio CA50.4 1 Massive Audio P400.4 2 sets Massive Audio CK6 components 1 set Massive Audio Ck5 components Alpine CDA 9886 source unit Massive Audio in dash EQ Excessive Amperage 250amp alt /with adjustible regulator to 20 volts 6 XS Power D3400 batteries (and adding more).