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Amazon.com: Taramps TS400X4 Full Range 2 Ohm 4 Channel 400W Class D Car Audio Amplifier : Electronics
Pyle 4 Channel Marine Amplifier - Compact Power 400 Watt RMS 4 OHM Full Range Stereo & Waterproof - Wireless Bluetooth Receiver Audio Speaker with LCD Digital Screen - PFMRA440BB
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Amazon.com: MTX Audio THUNDER75.4 Thunder Series Car Amplifier : Electronics
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Amazon.com: MTX MUD100.4 Mud Series 400 Watt RMS 4 Channel Class D Compact Weatherproof Outdoor Powersports ATV UTV Motorcycle Sound System Stereo Amplifier Kit : Electronics
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Amazon.com: Clarion XR5420 Class D 4-Channel 400W Maximum Power Handling Car Audio Amplifier Sound System Subwoofer Speaker Amp with Gravity Magnet Phone Holder Bundle : Electronics
Amazon.com: Rockville RPA5 1000w Peak / 400w RMS (200 x 2) 2 Channel Power Amplifier Pro/DJ Amp : Electronics
Amazon.com: KICKER Bundle of 2 Items 400W CX Mono Amplifier with Dash Mount Remote Bass Control 46CXA4001T46CXARCT 0 : Electronics
Amazon.com: Memphis Audio PRXA700.5 50W x 4 + 400W x 1 Car Amplifier : Electronics
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Amazon.com: Sound Storm Laboratories EV4004 Soundstorm Small 4CH Amplifier, 400W : Electronics
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Amazon.com: NVX VADM4 400W RMS Full Range Class D 4-Channel Car/Marine/Powersports Compact Micro Amplifier - Marine Certified : Electronics
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Amazon.com: JVC KS-DR1004D 400 Watt 4-Channel Bridgeable Amplifier for Car & Marine and RZR/ATV/UTV/Cart Motorsports : Electronics
