01:451 12'' GPI Attitude Subwoofer excursion on a memphis 4k mono block amp 3 Stinger SPV 70's and a stinger SPV 35
contact tooshort0644 if you are interested in the GPI subwoofer
13:02Blueprint PDF Design and MATERIALS LIST: http://goo.gl/eR9R6u
Building a subwoofer box is the foundation of your new car audio system . In this video I will show you different t
