The QSC KW181 is a powerful active subwoofer built to deliver deep, punchy low end for live sound, DJs and mobile events. Centred around an optimised 18-inch driver and efficient Class-D amplification, it offers impressive output with tight, controlled bass and a maximum SPL of up to 135 dB. Its robust wooden cabinet and integrated M20 pole mount make it a solid, tour-ready partner for full-range tops, while ergonomic handles and a compact footprint help with transport and quick setup. With usable response from around 37 Hz, the KW181 adds authority and headroom to PA systems without excessive size or weight.
This unit is certified pre-owned, fully tested by our technicians, and supplied with a 3‑month warranty for peace of mind. Please note: units are sold in pairs only, price per unit. Supplied with the original cover to protect the cabinet in storage and on the road.
Ideal for mobile DJs, corporate AV, bands and rental fleets needing reliable, musical low-frequency reinforcement in a portable format.
Includes
- QSC KW181 subwoofer
- Original cover
STAGE21.1.100.199





