Hertz SPL Show SX 690 NEO SPL Show Series 6"x9" 3-way car speakers β built for SPL competition at Crutchfield
Hertz SX 380D SPL Show 15" Dual 2 Ohm Component Subwoofer (Each) β Safe and Sound HQ
Hertz SPL Midrange 8" Subwoofer (Pair) - SV200NEO
Amazon.com: HERTZ SPL Show Series Bundle with One Pair of ST 25A NEO Compression Tweeters and One Pair of SV 165 NEO 6.5" Midrange Drivers : Electronics
Hertz SPL Monster MG 15 Bass β Santa Clarita Auto Sound