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
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Amazon.com: DS18 ZR8.4D Elite-Z 8 Inch Car Audio Subwoofer 900 Watts Dual Voice Coil 4-Ohm DVC 4+4 Ohm (1 Speaker) : Video Games
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