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Alpine - R-A90S R-Series 6/5/4/3-channel Power Amplifier with Staggered Power - RMS Power Ratings 4x 75 Watts + 2x 150 Watts or 4x 75 Watts + 1x 500 Watts
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Alpine 500 Watt RMS Class "D" Mono Car Amplifier + JL AUDIO 10" 600W 4 OHM W1 V3 CAR STEREO BASS SUB WOOFER+ AMP KIT - Walmart.com
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Alpine MRV-M500 500 Watt RMS Monoblock Amplifier Class D Digital Car Amp MRVM500 793276012401 | eBay
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