Amazon.com: Sound Storm Laboratories US8 8 Inch Under Seat Powered Car Audio Subwoofer - 800 Watts Max, Low Profile, Built in Amplifier, for Truck, Boxes and Enclosures, Remote Subwoofer Control : Electronics
Amazon.com: BOSS Audio Systems BAB8 Amplified Car Subwoofer - 800 Watts Max Power, Low Profile, 8 Inch Subwoofer, Remote Subwoofer Control, Great for Vehicles That Need Bass But Have Limited Space : Electronics
Amazon.com: Pioneer TS-D10LB D Series 10" 1300 W Max Power, Single 2 Ohm Voice Coil, Sealed Enclosure - Pre-Loaded Subwoofer Black : Electronics
Amazon.com: Planet Audio PX10 10 Inch Car Subwoofer - 800 Watts Maximum Power, Single 4 Ohm Voice Coil, Sold Individually : Everything Else
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