QSC KS118 Active 18" Subwoofer

Updated September 10, 2026

Condition: Used - Good Damaged?: No In Packaging?: Yes Missing Parts?: Unknown Functional?: Unable to Test Brand: QSC ASIN: B07WHKCZJR Model: KS118 A very high output active subwoofer producing impressive low frequencies for mobile entertainment, AV production, clubs and performance venues Features an 18" direct radiating driver powered by a 3600W Class D amp, to deliver high SPL with dynamic and musical sound reproduction of very low frequencies On-board DSP optimizes and protects system performance as well as offers advanced capabilities such as the ability to array two units in a cardioid arrangement Highly transportable, the rugged enclosure features comfortable handles with a professional and elegant appearance in any application, plus four low noise casters An M20 threaded pole receptacle accepts a 35 mm pole for easy vertical deployment with full-range loudspeakers Features a selectable DEEP mode for extremely low frequency extension as well as adjustable crossover and delay Optional KS-LOC security cover prevents unauthorized tampering of controls.

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