2) New POWER ACOUSTIK P3-12W 12" 5200 WATT Car Subwoofer+Boss 2 Channel Amp Power Acoustik P3 12W 12" Dual Voice Coil Sub woofer Polypropylene Injection Molded Cone Butyl Rubber Surround Dual 2.5" KSV Kapton Voice Coil Nickel Plated 8 ga. Compression Wire Terminal