Eighteen Sound 18LW1251-8 is a professional 18" woofer developed for subwoofer applications in PA systems. With a 100 mm voice coil, double spiders (DSS), vented magnet structure and weather-protected cone, it delivers high sensitivity, low distortion and long life even under continuous load. Optimized for bass reflex, bandpass and horn-loaded designs where deep bass and high SPL are required.