Hifonics Bg-4000.1d Brutus Gamma Monoblock Super D Class 4000 Watt Car Audio Sound System Subwoofer Speaker Amp Amplifier & Qpower Wiring Kit : Target
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Massive Audio HIPPOXL124 4000 Watt 12" 4 ohm DVC Car Audio Subwoofer MA-HIPPOXL124 All Car Audio | 12 Volt & Beyond
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2) RE Audio SX18 Car Stereo Dual 2 Ohm 4000 Watt Peak 18" Sub Subwoofer Pair Package - REA-PACKAGE-92
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