Mini Earthquake - an 8" cube of BASS - Free Plans - YouTube
How to Design Your Own DIY Subwoofer - TurboFuture
Best Subwoofer I've Used – Toid
DIY subwoofer | Overclockers UK Forums
How to Make a DIY Cylinder Subwoofer (aka Sonosub) - Spinditty
DIY Active Subwoofer : 15 Steps (with Pictures) - Instructables
DIY 18" McCauley Ultimate Subwoofer Project
DIY Very Powerful Subwoofer with PVC pipe / powerful bass - YouTube
DIY sub with 60" woofer - Speakerplans.com Forums - Page 1
Is a DIY Subwoofer Worth It? | AV Gadgets
How to Build a Rockin' Outdoor Speaker Setup with Sump Pump Subwoofer | blog for whoever
The Hideaway TL Sub | audioXpress
Homemade speakers for student life. Dayton Audio 6.5 inch sub in sealed box, with Micro C L/R. Made in recycled teak finished in teak oil, and 3D printed PETG front grills held
Making A Powered Sub Woofer - High Quality Bass - DIY Speaker - YouTube