Amazon.com: Pyle 8-Inch Low-Profile Amplified Subwoofer System - 600 Watt Compact Enclosed Active Underseat Car Audio Subwoofer with Built in Amp, Powered Car Subwoofer w/Low & High Level Inputs PLBX8A : Electronics
BOSS Audio Systems BAB10 10 Inch Powered Under Seat Car Audio Subwoofer - 1200 Watts Max, Low Profile, Remote Subwoofer Control, For Truck, Boxes and Enclosures
Sound Storm Laboratories US10 10 Inch Under Seat Powered Car Audio Subwoofer - 1000 Watts Max, Low Profile, Built in Amplifier, For Truck, Boxes and Enclosures, Remote Subwoofer Control - Walmart.com
BOSS Audio Systems BAB10 10 Inch Powered Under Seat Car Audio Subwoofer - 1200 Watts Max, Low Profile, Remote Subwoofer Control, For Truck, Boxes and Enclosures - Walmart.com
UTV Stereo | Flex Series 10" Low-Profile Subwoofer | UTVS-F10LP1
Two Infinity REF1200S Reference 12 Inch Low profile Subwoofer with SSI (Selectable Smart Impedance) - Creative Audio
Kicker Comp RT Down Firing Single Low Profile Subwoofer Enclosure - 10" - 2 Ohm - 48TRTP102
Kenwood Excelon KFC-XW1200F Shallow-mount 12" 4-ohm subwoofer at Crutchfield
Amazon.com: PyleUsa 10-Inch Low-Profile Amplified Subwoofer System - 900 Watt Compact Enclosed Active Underseat Car Audio Subwoofer with Built in Amp, Powered Car Subwoofer w/Low & High Level Inputs - SBA10A :