Sundown Audio SA 12 v2 Subwoofer D2 - Down4Sound Shop
Rockville W12K9D2 V3 12" K9 V3 4000w Peak/1000w RMS Car Subwoofer DVC 2-Ohm Sub - Walmart.com
Machete ML-12R D2/D4 12" 1000W MAX Subwoofer – Deaf Bonce
Amazon.com: Lanzar 12in Car Subwoofer Speaker - Black Non-Pressed Paper Cone, Stamped Steel Basket, 4 Ohm Impedance, 1000 Watt Power and Rubber Suspension for Vehicle Audio Stereo Sound System - MAX12 : Electronics
SA-Series v.2 12" 1000W Subwoofer – Sundown Audio
PRV Audio 12MB1000FT-4 12" 4-Ohm 1000W Midbass Car Pro Audio Speaker M — Showtime Electronics