Bill Fitzmaurice Pro Audio DIY Subwoofer Speaker Kit
Pride HP 15" (38cm) Subwoofer
Amazon.com: ALPHASONIK AS10DF 10 inch 1200 Watts 4-Ohm Down Fire Shallow Mount Flat Enclosed Sub woofer for Tight Spaces in Cars and Trucks, Slim Thin Loaded Subwoofer Air Tight Sealed Bass Enclosure :
Bill Fitzmaurice Titan 39 build - Techtalk Speaker Building, Audio, Video Discussion Forum