The QSC KW181 is an 18-inch powered subwoofer that anchors portable and installed systems with deep, high-output low frequencies. Its 18-inch driver and 1000 W Class D amplifier deliver up to 135 dB peak SPL, and built-in DSP with crossover options makes it easy to pair with QSC KW and K.2 tops. A rugged painted plywood cabinet with casters and a pole socket keeps it road-ready for live sound, DJs, and events.
Key Features
- 18-inch high-excursion subwoofer driver
- 1000 W Class D amplification (500 W continuous)
- 135 dB peak maximum SPL
- Frequency response from 40 Hz (-6 dB)
- Rugged wood cabinet with casters, approx. 93.6 lb