The CLS-218S is a powerful dual 18″ active subwoofer from Lynx Pro Audio, featuring 6000W of Class D amplification and integrated 64-bit/96kHz FIR DSP. Delivering up to 142dB peak SPL, this direct-radiating subwoofer offers deep, clean bass performance in a rugged, stackable birch plywood cabinet with polyurea finish—perfect for large-scale touring, festivals, and fixed installations.