My Account | View Cart  (0 items) | Checkout Search for Welcome to Klaus Audio! Check out our wide selection of CUSTOM subwoofer boxes!  Single Subwoofer Boxes  Dual Subwoofer Boxes  Triple Subwoofer Boxes  Quad Subwoofer Boxes  Solo-Baric L5 & L7 Boxes  JL W7 Subwoofer Boxes  Subwoofer Box Parts  Sealed vs. Ported  Ported Box Tuning  Slot vs. Flared Ports  More Articles...  Photo Gallery  Carpet Colors  Testimonials  Contact Us  Company Info  Site Map  Policies  Back to Home Page Available Car Audio Subwoofer Box Carpet Colors Dark Gray Black None Copyright © Klaus Audio, Rhinelander, WI. All Rights Reserved.