SMD QR-1 Quick Release Speaker Box Terminal Aluminium - Sky High Car Audio
SMD Steve Meade Designs OFFICIAL Fan Page! - this new cart with hydraulic lift on it from Harbor Freight Tools is awesome for plucking oversized subwoofer boxes out of SUV's. 1,000lb capacity
Ascendant Audio SMD Mini 12" Series Subwoofer (D2 or D4 Coils)
Massive Subwoofer, Massive Ported Box (Build) Rockford Fosgate Power T3 19" Plexi Window VIDEO 1 - YouTube | Ported box, Custom subwoofer box, Subwoofer box design
Steve Meade Designs 1-CHANNEL-TERMINAL-ROUND (smd1chterminal)
Steve Meade SMD Copper 4 Channel Heavy Duty Subwoofer Speaker Box Terminal Cup | eBay