How bad is the $70 subwoofer from Walmart? Install | Review - YouTube
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Pioneer TS-WX1010A Sealed 10" 1,100-Watt Active Subwoofer with Built-in Amp
Amazon.com: 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 :
Car Dual 10" Subwoofer with Built-in 300 WATT Amplifier TBX10A No Wire Plug
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Pioneer TS-WX1010A Sealed 10" 1,100-Watt Active Subwoofer with Built-in Amp