Best Buy: Massive Audio Massive GTX Series 12-Inch 1,000-Watt-RMS Dual 4-Ohm Subwoofer Black Black GTX 124R
Amazon.com: Massive Audio SUMMOXL124-12 Inch Car Audio Subwoofer, High Performance Subwoofer for Cars, Trucks, Jeeps - 12" Subwoofer 1500 Watt RMS, 3000w MAX Dual 4 Ohm, 3 Inch Voice Coil. Sold Individually : Electronics
SUNDOWN AUDIO U-6.5SW-D4 CAR 400W RMS 6.5" DUAL 4-OHM SUBWOOFER BASS SPEAKER NEW | eBay
Amazon.com: NVX NSW124v2 12" 700W Peak (350W RMS) Dual 4-Ohm N-Series Car Subwoofer (NSW124 Version 2) : Electronics
DS18 HOOL-X15.1DSPL HOOLIGAN 15" SPL Car Subwoofer 4000 Watts RMS 4" 1 – Droppin HZ Car Audio
MESO-6-5 - 800 Watt 6.5 Inch Car Subwoofer - CT Sounds – CT SOUNDS
Used CT Sounds EXO-12-D2 3000 Watts RMS 12 Inch Car Subwoofer - Dual 2 Ohm | eBay
Rockville W10K9D2 10" 3200w Car Audio Subwoofer Dual 2-Ohm Sub CEA Compliant
Power Acoustik 10" Powerful 600W RMS Shallow Car Subwoofer Loud Speaker, Black - Walmart.com
Kicker 49PTRTP10 10 inch 400W RMS Thin Down Firing Car Subwoofer, 1 - Kroger
Sundown Audio Xv4 8" inch DVC Dual 4 Ohm (X Series) Car Subwoofer 1000 Watts RMS
VXF-12 | 12" 3,000 Watt Max Power Car Subwoofer | Skar Audio
Amazon.com: Massive Audio SUMMOXL104-10 Inch Car Audio Subwoofer, High Performance Subwoofer for Cars, Trucks, Jeeps - 10" Subwoofer 1500 Watt RMS, 3000w MAX Dual 4 Ohm, 3 Inch Voice Coil. Sold Individually : Electronics
Rockville W12K9D2 12" 4000w Car Audio Subwoofer Dual 2-Ohm Sub CEA Compliant
VD-10 | 10" 800 Watt Max Power Subwoofer - Shallow Mount | Skar Audio
Sundown Audio SA Classic 12" inch DVC Dual 4 Ohm (SA Series) Car Subwoofer 750 Watts
Amazon.com: NVX VCW122v3 12" 2400 Watt Peak (1200W RMS) Dual 2-Ohm VC-Series Car Subwoofer (VCW122 Version 3) : Electronics