Polk Audio db840DVC db Series 8" subwoofer with dual 4-ohm voice coils at Crutchfield
Yamaha 8-Inch 100-Watt-Max Powered Subwoofer Black NS-SW050BL - Best Buy
DS18 ZXi8.4D High Excursion 8" Car Audio Subwoofer 1200W Watts DVC 4-Ohms Quad Stacked Magnets
Dayton Audio SUB-800 8" 80 Watt Powered Subwoofer
Rockville W8K9D2 8" Inch 2000w Car Audio Subwoofer Dual 2-Ohm Sub CEA Compliant
Euphoria 8" Neo sub – Insane Asylum Motorsports
IMC Audio PPS8SS 8" Single Sealed Sub Box Subwoofer Enclosure 8 inch Speaker Box Sub Woofer - Walmart.com
8 Inch 100W High Power Subwoofer W-1 Active HiFi Subwoofer Home Theater Home Audio Echo Gallery TV Computer Stage Speakers _ - AliExpress Mobile
XL-844D 8" Subwoofer
Monoprice 8in 60-Watt Powered Subwoofer, Black - Monoprice.com
Amazon.com: CT Sounds MESO-8-D4 1600 Watts Max 8 Inch Car Subwoofer Dual 4 Ohm
EVL-8 | 8" 800 Watt Max Power Car Subwoofer - Skar Audio
ZVX-8 | 8" 1,100 Watt Max Power Car Subwoofer - Skar Audio
EM Audio 8" Custom NEO Hand Built Subwoofer (2000watts) - EM Audio Subwoofers
HERTZ 8 Inch Energy Subwoofer (ES 200.5) | SK Customs Car Audio & Home Theater | Atlanta | Norcross | Duluth | John's Creek
Aiyima 8 Inch Subwoofer Speaker Woofer 4 8 Ohm 150w High Power Long-stroke Deep Bass Hifi Sound Loudspeaker Diy For Home Theater - Speakers - AliExpress