QSC KS118 18inch Direct Radiating 3600 Watt Class D Powered Subwoofer w/ DSP

Experience earth-shaking bass that transforms any venue into an acoustic powerhouse with the KS118 active subwoofer. This professional-grade unit combines an 18-inch direct radiating driver with a massive 3600 Watt Class D amplifier to deliver exceptional low-frequency performance that’s perfect for mobile entertainment, AV production, nightclubs, and live performance spaces. The result is dynamic, musical sound reproduction that maintains clarity even at extreme sound pressure levels.

Advanced onboard DSP technology takes performance optimisation to the next level, offering comprehensive system protection alongside sophisticated features like cardioid array capability when using two or more units. Musicians and sound engineers can take advantage of the selectable DEEP™ mode for extended low-frequency reach, adjustable crossover and delay settings, plus convenient scene presets for quick setup in common applications.

Built for the demands of professional touring and installation work, the KS118 features a robust painted wood enclosure that balances durability with refined aesthetics. Transport is effortless thanks to ergonomic handles and four heavy-duty, low-noise casters, while the M20 threaded pole receptacle accommodates standard 35mm poles for vertical deployment alongside full-range speakers. Optional accessories including transport covers and security solutions ensure your investment stays protected, all backed by an impressive 6-year warranty with product registration.