The L-Acoustics SB18 is a compact, high-output 18-inch subwoofer engineered to extend low-frequency performance for L-Acoustics line array and point-source systems. Delivering tight, musical bass with excellent headroom, it integrates seamlessly with KARA, ARCS and X Series tops. Its robust birch-ply cabinet and laminar port design reduce turbulence and distortion, keeping low end clean and controlled at high SPLs. Versatile deployment options include ground-stacking or flown configurations using compatible hardware, with straightforward cardioid arrays to limit stage spill and focus energy where it’s needed. This listing is for one SB18 supplied with the original protective cover and PLA, streamlining protection, transport and swift on-site setup. It’s a rider-friendly addition to touring rigs, rental fleets, theatres, live music venues and premium installations that demand consistent, authoritative low-frequency extension. Choose the SB18 to add punch, depth and precise low-end control to professional L-Acoustics systems across a wide range of applications.
Includes
- Protective cover
- PLA
- Cover
STAGE22.3.100.269