Fusion Apollo 2000W Monoblock Subwoofer Amplifier - 010-02284-10 | Defender
JL Audio Refurbished RD1000/1 1000W Class D Monoblock Subwoofer Amplifier - Creative Audio
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DS18 ZXI15.4D-PKG Bass Package - 2 x ZXI15.4D - 15" Car Subwoofer, ZR2
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Amazon.com: pkg SOLID1 - Focal Monoblock 470 W RMS Power Amplifier + Pair of SUB P25 - Focal 10" 200W RMS 400W Max Single 4-Ohm Subwoofer : Electronics
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Amazon.com: Rockville RV8.1A 400w 8" Loaded Car Subwoofer Enclosure+Mono Amplifier+Amp Kit, black : Electronics
Power Acoustik VA14000D 4000 Watts Monoblock Subwoofer Amplifier – RecklessCarAudio
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Sony Mobile XM-GS100 GS-Series 600-Watt Monoblock Subwoofer Amplifier | World Wide Stereo