HiFi MX50X2 Stereo Home Audio Power Amplifier Board / Kit 150W +150W | eBay
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Planet Audio 1800-Watt Subwoofer plus Boss 1500-Watt Amplifier with Amp Kit plus Q-Power Enclosure AC12D + AR1500M + AKS8 + QSBASS12-VENTED - The Home Depot