Amazon.com: H YANKA 400W 8 Inch Compact Underseat Subwoofer with Built-in Amp, Slim Powered Subwoofer for Car/Truck/Jeep Audio : Electronics
10" Subwoofer with Vented Enclosure and Built-In Amp - JW10A - Jensen Mobile
NVX QBUS8v2 8" Under Seat Car Subwoofer w/ Built-In Amplifier | QBUS Version 2 - YouTube
Amazon.com: PyleUsa 10-Inch Low-Profile Amplified Subwoofer System - 900 Watt Compact Enclosed Active Marine Underseat Car Subwoofer with Built in Amp, Powered Car Subwoofer w/Low & High Level Inputs - PLMRSBA10 :
Pioneer Compact 9 in. x 4.625 in. 160-Watt Powered Subwoofer with Built-In Amp TS-WX010A - The Home Depot
Kicker PT250 10" Subwoofer with Built-In 100W Amplifier - Walmart.com
Pioneer Sealed 10" 1,100-watt Active Subwoofer with Built-In Amp in the Mobile Audio department at Lowes.com
Powered Car Subwoofers - Subs with built in amp
10" Subwoofer with Vented Enclosure and Built-In Amp - JW10A - Jensen Mobile
Amazon.com: BOSS Audio Systems CUBE8 Car Subwoofer and Amp Package – Built-in Amplifier, 8 Inch Subwoofer with Passive Radiator, Remote Subwoofer Control : Electronics
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,Black : Electronics
Memphis Audio 12" Powered Bass System with Integrated Amplifier 500W M – Pricedrightsales
TS-WX1210A - 12" - 1200w Max Power, Built-In 350w Output Amplifier - Sealed Subwoofer | Pioneer Electronics USA