4) Zebra NWX-844 8" 600W DJ/Home Car Subwoofers Subs Replacement 8 Ohm Speaker New Zebra NWX-844 8" 600 Watt DJ/Home Car Subwoofer (4 Pack) 150 Watt MAX (600 Watt Total) Paper Cone with Foam Edge Impedance: 8 Ohm Freq. Response: 50-15,000Hz