Carwales 8 Inch Car Home Active Powered Subwoofer Under Seat 150w Stereo Subwoofer Car Audio Speaker Music System Sound Woofer - Subwoofers - AliExpress
Amazon.com: Yaeccc 10 Inch 600W Car Under-Seat Sub Woofer Active Powered Amplifier Bass Enclosed : Electronics
Amazon.com: Sound Storm Laboratories LOPRO10 10 Inch Powered Under Seat Car Audio Subwoofer - 1200 Watts Max, Built-in Amplifier, Low Profile, Remote Subwoofer Control, for Truck, Boxes and Enclosures : Electronics
Amazon.com: MB Quart RW-110A 800W Reference Series 10" Slim Low Profile Compact Under-Seat 4-Ohm Active Powered Subwoofer Enclosure with Built in Amplifier for Car RV ATV : Everything Else
SQ 8" Under Seat Amplified Subwoofer with Plug and Play Harness for JK and JKU Jeeps.
Source Hifi Sound Quality Dual 6 inch Bass Speaker Slim Active Subwoofer Car Audio Aluminum Under seat Sub woofer on m.alibaba.com
Audiotek 1000w 10" Compact Car Under Seat Powered Subwoofer Super Slim with KIT | eBay
Sound Ordnance™ B-8PTD 125-watt compact powered subwoofer at Crutchfield
NVX 50W RMS Amplified and Loaded 8" Under Seat Quick Bass Universal Subwoofer System with Ported Enclosure - SSA STORE
Hifonics BW-110A 800W 10" Under Seat Powered Subwoofer Active Hideaway Car Sub | eBay