DIY Home Hi-Fi kit with coaxial driver - Celestion
These $185 DIY HiFi Speakers Sound AMAZING - YouTube
How to Build Custom Speakers : 25 Steps (with Pictures) - Instructables
Amazon.com: HiVi-Swans DIY 3 Way Passive Bookshelf Speakers Pair - DIY Speaker Kit-Peak Power 120 Watt Home Theater Bookshelf Speakers for Surrounds or Front : Electronics