The QSC KW181 is a rugged, powered 18-inch subwoofer engineered to deliver deep, musical low-frequency reinforcement for professional events and installations. Its efficient Class-D amplification provides powerful, controlled bass, while onboard DSP optimises performance, protection and consistency from show to show. Balanced XLR inputs and outputs make integration straightforward with QSC tops or mixed-brand PA systems, supporting simple, reliable system layouts.
Built from sturdy birch with ergonomic handles and a durable finish, the KW181 is ready for touring, rental and corporate use. An M20 threaded pole mount allows secure mounting of a full-range loudspeaker above, creating tidy, space-saving stacks. User-selectable crossover options and polarity control speed up setup and tuning across different venues, helping you achieve tight, cohesive results with minimal fuss.
Whether you’re extending the low end of a compact point-source rig, adding authority to DJ sets, or underpinning speech and playback in corporate environments, the KW181 delivers clean, confident bass in a portable active format. It’s a dependable choice when you need impactful sub-bass without compromising on speed, clarity or ease of deployment.
Includes
- QSC KW181 Powered Subwoofer – 18-inch Active Sub
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