Pyle 6.5 in. 300-Watt Car Mid Bass/Midrange Subwoofers Sub Power 2-Speakers 2 x PLG64 - The Home Depot
Dropship 10 Inch Car Audio Speaker Bass Woofer1000 Watt High Power Bass Surround Sound Stereo System DJ Loudspeaker Wide Range Foam Edge Cone 4 Ohms 90mm 5 Core SP-1090 to Sell Online
Hawk 15" Subwoofer | Car Audio Equipment | American Bass
American Bass XD-1244 12" 1,000 Watts Max Power Dual 4 Ohm XD Series Car Subwoofer - Walmart.com