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Amazon.com: Rockville RVB12.1A 12 Inch 500W Active Powered Car Subwoofer+Sub Enclosure Box : Electronics
Amazon.com: Powered Subwoofer, Bestisan 6.5" Active Home Audio Subwoofer in Compact Design,LFE & Stereo Line Inputs & Audio Output, Built-in Amplifier for Home Theater/Receiver/TV/Speakers, Black, SW65D : Everything Else
JBL BassPro 12 Active Subwoofer Car Set - Bass Reflex Woofer JBL Box Large 30 cm, 450 Watt Amplifier Car Sound System and Car Hi-Fi Bass Box Housing, Black : Amazon.de: Electronics & Photo
Renegade RS800A Car Subwoofer Active 200W Black : Amazon.de: Electronics & Photo
Amazon.com: Fluid Audio FC10S: 10-inch powered reference studio subwoofer, 200W Class D, 20-200Hz, auto stanby, GND Lift : Musical Instruments
Amazon.com: Rockville APM10C 10" 400 Watt Powered/Active Studio Subwoofer Pro Reference Sub, Classic Wood, 10 inch : Everything Else
Amazon.com: 8" 600W Active Under Seat Car Sub Woofer Stereo Power Amplifier Enclosure Speaker : Electronics
Amazon.com: Theater Solutions SUB8S 250 Watt Surround Sound HD Home Theater Slim Powered Active Subwoofer (Black) : Everything Else
Amazon.com: Pioneer TS-WX130EA 8" 160W Max Single 1Ohm Underseat Sealed Active Car Subwoofer with Built-in Class-D Amplifier : Electronics
Amazon.com: 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 - Pyle PLBX8A :
Amazon.com: Hifonics Brutus BW-110A - 800 Watts Compact Amplified Under The Seat Car Truck Subwoofer Low Profile with Bass Remote, Great for Vehicles That Need Bass But Have Limited Space, Black :
Amazon.com: Cerwin-Vega VPAS10 10" 2Ω 550W Max / 200W RMS Powered Active Subwoofer Enclosure + Bass Knob : Electronics
Amazon.com: Hertz Dieci Dba200.3 20 Cm Active Subwoofer : Electronics
Amazon.com: Rockville RW8CA 8" 600 Watt Low Profile Under-Seat Active Powered Car Subwoofer : Everything Else
Amazon.com: Sony XS-AW8 8-Inch Powered Under Seat Sub woofer with Wired Remote Control (XSAW8) : Electronics
Amazon.com: NVX QBUS10P 500W Peak (200W RMS) Amplified and Loaded 10" Ported Under Seat Quick Bass Universal Subwoofer System with Remote Bass Knob : Electronics
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Amazon.com: 8-Inch Low-Profile Amplified Subwoofer System - 600 Watt Compact Enclosed Active Marine Underseat Car Subwoofer with Built in Amp, Powered Car Subwoofer w/Low & High Level Inputs - Pyle PLMRSBA8 :
Amazon.com: Pioneer TS-WX130DA Compact Series 8" x 5-1/4" - 160 W Max Power - Compact Active Subwoofer : Electronics