Eighteen Sound 18NTLW5000.4 LF Driver 18-inch Next Generation Subwoofer 1800 Watts RMS 4000 Peak Designed for High Spl Very Low Frequency Applications 4-Ohms

18 Sound 18" NEO WOOFER 1800W RMS 5000 Black 18NTLW5000-4 95 dB SPL 1W / 1m average sensitivity, Dual 115mm (4,5 in) Tetracoil Aluminum Voice coil 4000 W program power handling, Ultra linear suspension behavior for excellent sound clarity Symmetric flux density and inductance behaviour, Low noise forced air cooling design Water repellent cone and epoxy coated plates