Used JBL SRX818SP Powered Subwoofer

Experience dependable, professional-grade bass performance with this used JBL SRX818SP 18" powered subwoofer, fully tested and in excellent working condition. Engineered for serious sound reinforcement, it combines a robust 1000-watt Crown amplifier with precise onboard DSP, offering deep, controlled low-frequency output tailored for demanding environments. With a wide frequency response from 29Hz to 150Hz and a powerful 135 dB max SPL, this subwoofer effortlessly delivers the punch and depth needed for DJs, live sound applications, and installed systems. Built to last with a rugged plywood cabinet, resilient finish, and tour-proven components, this sub provides reliable performance you can count on, making it a smart, value-driven choice for enhancing your low end.