The SB-218LX is a high-performance dual 18-inch subwoofer featuring two 18-inch neodymium woofers with water-resistant cones. It incorporates MMSS (Mirror-Image Symmetry Suspension) and MALTCROSS technologies. MMSS ensures consistent positive and negative excursion of the moving assembly, resulting in lower harmonic distortion. MALTCROSS is a cutting-edge cooling technology designed to ensure the driver delivers consistent, reliable, and optimal performance within the system, maximizing total SPL while maintaining stability. With a power rating of 3200W (AES) and a peak SPL of 146dB, it is an ideal choice for sound reinforcement in entertainment venues and public installations.