Bs5 V2 15'' subwoofer testing Excursion ! must see this ! huge custom made subwoofer

Bs5 V2 15'' subwoofer testing Excursion ! must see this ! huge custom made subwoofer made by mazda2284 ! does some insane excursion ! FQ range is 10-25 hz and 15-17 hz seems to be the best response ! the Version 2 has a different surround on top and cone / dustcap design , maxes out at around 6'' peak to peak excursion , they call it the Bass Cannon! testing on a pioneer premier prs-d1200spl amp in my 1992 mazda 323 for more cool videos also check my channel ! o co