18-Inch Passive Subwoofer for DJs, Touring, and Fixed Installations
The JBL SRX818S delivers deep, high-impact bass in a compact passive subwoofer designed for demanding live sound and installation environments. Whether you're touring, DJing, or outfitting a performance venue, the SRX818S offers rugged construction, optimized stacking features, and powerful low-frequency response ideal for music playback, voice reinforcement, or system augmentation.
JBL SRX818S Competitive Differences
18” JBL 2279H Differential Drive® LF transducer for high output and low distortion
2400W peak / 1200W program / 600W continuous power handling for reliable performance
129dB peak SPL with 95dB sensitivity
M20 threaded pole mount for easy satellite speaker integration
Stackable design with indexed feet supports standard and cardioid subwoofer arrays
NL4 input and loop-thru connections with ±1 or ±2 pin selectable options
Optimized presets for Crown ITech HD amps and dbx signal processors
Durable 18mm plywood enclosure with Obsidian Duraflex™ finish
JBL SRX818S Description
The JBL SRX818S is a premium 18-inch passive subwoofer engineered for live performance and installation applications. It’s part of the SRX800 series, featuring JBL’s proprietary Differential Drive® transducer technology that delivers powerful low frequencies with less weight and greater efficiency.
Its rugged cabinet is built from 18mm plywood and finished in Obsidian Duraflex™, making it highly durable while maintaining a clean, professional look. A standard M20 pole socket and indexed feet make it easy to deploy in a variety of setups—from stacked cardioid arrays to mobile DJ rigs.
Designed for seamless integration with Crown amplifiers and dbx processors, the SRX818S also supports configuration and control via JBL’s Audio Architect software, giving professionals even greater flexibility in managing their sound system. Whether for fixed installations or on-the-road performance, this subwoofer is built to deliver consistent, high-quality bass.
