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
Planet Audio PAB80 8 Inch Car Audio Subwoofer and Amplifier Package – Powered by a Built-in Amplifier, Passive Radiator, Remote Subwoofer Control, For Truck, Boxes and Enclosures - Walmart.com
10" Subwoofer with Built-In Amp - JW10A - Jensen Mobile
Amazon.com: Planet Audio PAB80 Car Subwoofer and Amp Package – Built-in Amplifier, 8 Inch Subwoofer with Passive Radiator, Remote Subwoofer Control : Electronics
KICKER Hideaway 8" Subwoofer with Enclosure and Integrated 150W Amplifier Black 11HS8 - Best Buy