Used JBL SRX818SP Powered Subwoofer

Enhance your sound system with the powerful performance of a used JBL SRX818SP Powered Subwoofer, designed to deliver deep, clean bass with 1000 watts of reliable Class-D amplification. This well-maintained unit features an 18" woofer in a durable, tour-grade cabinet, making it a smart choice for mobile DJs, live bands, and venues that demand serious low-end impact. Built-in DSP and Ethernet control offer detailed system tuning and seamless integration, giving you the flexibility to tailor your sound with precision. With a frequency response extending from 29Hz to 150Hz, this subwoofer provides impactful bass you can truly feel. Designed to work effortlessly with other SRX800-series speakers, it combines rugged build quality with pro-level performance—an outstanding value for anyone seeking trustworthy gear at a fraction of the original cost.