2) AMERICAN BASS TITAN 1544 15" DUAL 4-OHM CAR AUDIO SUBWOOFERS SUB WOOFER PAIR | eBay
DS18 EXL-XX15.2DHE 4,000W Max Dual 2-ohm 15" Subwoofer
Amazon.com: American Bass DX-15 4 Ohm, 500 Watt RMS / 1000 Watt Max Power, 15 Inch Subwoofer, 125 oz Magnet, Single, Hi-Temp 4-Layer Voice Coil, Black Powder Coated,Non-Pressed Paper Cone : Electronics
Memphis Audio - Two MB1524 15" MB Subwoofers with a Kenwood KAC-9106D Mono Amplifier and Bass Knob - Creative Audio
XFL 15" Subwoofer | Car Audio Equipment | American Bass
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
VFL Comp Signature 15" Subwoofer | Car Audio Equipment
2 Pack American Bass 15" Subwoofer 1200W RMS Power DVC 4 Ohm Elite 1544 Series - Walmart.com
Amazon.com: American Bass 15" Competition Car Subwoofer, 3000 Watt Maximum Power, Bass Surround Speaker, Car Audio Stereo Subwoofer - 15 inch, Dual 4 Ohm Voice Coil : Electronics