15" Competition grade Hand Built Subwoofer 8000rms (Super Team) - EM Audio Subwoofers
Amazon.com: Gravity Car Vehicle Subwoofer Audio Speaker - 15 Inch Competition Grade Pressed Paper Cone, 2 Ohm DVC, Advanced Air Flow, 7000W Power for Stereo Sound System Warzone GW15D2 (2 Subwoofers) : Electronics
JL Audio 500-Watt Bass Package Includes two JL Audio W0v3 12" subwoofers, JL Audio JX500/1D amplifier, and Sound Ordnance Bass Bunker enclosure at Crutchfield
Amazon.com: AUDIOTEK 10 Inches 1000 Watts Peak Power / 500 Watts RMS Slim Under-Seat Active Power Audio Car/Truck Angle Trunk Box Sub-woofer SUB/Supply Voltage: 11-15V DC : Electronics
Car Audio – JL Audio
Amazon.com: H YANKA 12 Inch Subwoofer - 12 Inch Paper Cone Subwoofer Car Audio, Black Steel Basket, Dual Voice Coil 4 Ohm Impedance 12 subwoofer, 1600W MAX Power 12 inch Competition Subwoofer : Electronics
BOSS Audio Systems CXX12 Chaos Exxtreme Series 12 Inch Car Audio Subwoofer - 1000 Watts Max, Single 4 Ohm Voice Coil, For Truck, Boxes and Enclosures, Use With Amplifier
Car Audio Guide: Speakers, Amps & Subs Explained | Fast Car
OE AUDIO 12" Inch 30cm 7000w Car subwoofer Extreme Pressure Bass subwoofer NEW | eBay
Rockville RV1212P Dual 12" 1200w Car Audio Subwoofers in Vented Sub Enclosure Box - Rockville Audio