12 in. 1200-Watt Car Audio Sub Box Subwoofer Bandpass Box Subs BNPS122 - The Home Depot
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
BRP JT Jeep Gladiator Underseat Enclosure with 10" Subwoofer Options
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