inputs.text: heavy metal perfection - bought 2 pairs jeep zj little skeptical first boy wrong loud clear drowns outside noise cranked windows set alpine tweeters front dash clarion cz30 head unit speaker doors rockville rv63 used self tapping sheet metal screws hold thehem tighter boss 1000w amp powering everything got say get precise hits double bass pedals louder went loved clarion goes 40 never go past 20 lol well worth itoh fyi big devil driver fan music good example hard hitting heavy metal