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Fusion Apollo 2000W Monoblock Subwoofer Amplifier - 010-02284-10 | Defender
CT Sounds CT-3200.1D 3200 Watt RMS Power Class D Monoblock Subwoofer Amplifier | eBay
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
DS18 Monoblock Subwoofer Amplifier Class D 2000W Pro Car Audio Bass ZR — Big Jeff Online Inc
JL Audio RD15001 - Monoblock Class D Subwoofer Amplifier, 1500 W - Mono block, 1 channel bass amplifiers - Custom Sounds & Tint
Sony Mobile XM-GS100 GS-Series 600-Watt Monoblock Subwoofer Amplifier | World Wide Stereo