Amazon.com: Sound Town 15” 800W Cast Aluminum Frame Woofer (Low Frequency Driver), Replacement Woofer for PA/DJ Subwoofer Cabinets (STLF-15200A) : Musical Instruments
Dayton UM15-22 Home Theater Subwoofer Driver – GSG Audio Design
One unit (not pair) |15 Inch Woofer for Bass Compensation of Open Baffle or Cabinet | W-15 - Lii Song (Lii Audio), unique speaker, amplfier, quality and cost-saving parts for HiFi DIY
Acoustic Elegance SBP15 woofer for Sealed Box Applications