Kicker Solo-Baric 12“ L7

My brother John’s car audio set up. We did all the installations. Head Unit : Pioneer DEH-7250SD Fronts : Alpine Type R Component (SPR-175) Rears : Alpine Type R Coaxial Amp powering the fronts and rears : Alpine 4 AMP (MRP-F300) Subwoofer : Kicker Solo-Baric (08VS12L72) 12“ L7 750 RMS Ported enclosure box