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Amazon.com: MTX Magnum 10" 400W RMS Dual Loaded Subwoofer Sub Box System Package w/BOSS Audio Systems KIT2 8 Gauge Complete Car Amplifier Installation Wiring Kit : Electronics
Amazon.com: Pioneer GM-D1004 400W 4-Channel GM Digital Series Class FD Amplifier : Electronics
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Amazon.com: High Power Active Subwoofer Pure Bass Power Amplifier Board 400w 30hz-200hz : Electronics
Amazon.com: PYLE PLMRA410BT Elite Series Waterproof Bluetooth(R) 400-Watt Class AB Amp (4 Channels) Consumer Electronic : Electronics
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Amazon.com: 2SC5200 2SA1943 Pure Post-amp High Power Amplifier Board 400W + 400W : Musical Instruments
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