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Earthquake Sound SWS-8Xi 8-inch Shallow Woofer System Under-the-Seat Subwoofer, 2-Ohm (Single)
CERWIN Vega Under Seat Enclosed Powered Plug and Play Subwoofers Series (VPAS12)
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JBL BassPro SL 8" 125W RMS Powered Under-Seat Compact Subwoofer Enclosure System, BASSPROSL
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RECOIL SL1708 240 Watt 8" Under-Seat Slim Amplified Car Subwoofer with 99.99% Oxygen Free
STINGER Single 10” Under-Seat Subwoofer Enclosure, Slim 800-Watt Profile, 2.5” Coil Weather Resistant, Space-
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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 - PPLBX10A
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Patioer 8'' Under-Seat Car Sub Woofer Modified Slim Subwoofer Speaker Stereo Audio Bass Amplifier 4Ω 480W
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Yaeccc 10 Inch 600W Car Under-Seat Sub Woofer Active Powered Amplifier Bass Enclosed
Amazon.com: Rockville SS10P 10" 800w Slim Under-Seat Active Powered Car/Truck Subwoofer Sub : Electronics
JBL Basspro SL2 - Powered under seat subwoofer system (Renewed)
Amazon.com: Rockville RW8CA 8" 600 Watt Low Profile Under-Seat Active Powered Car Subwoofer, Black : 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 : Electronics
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Amazon.com: MB Quart MBQX-SUB-2 Underseat 10" Sub and Enclosure for X3 : Electronics
Amazon.com: Kenwood KSC-PSW8 250W Max (150W RMS) Single 8" Under Seat Powered Subwoofer Enclosure W/Remote Control : Electronics
