The L-Acoustics SB28 is a professional touring-grade subwoofer designed by L-Acoustics for large-scale live sound reinforcement. It was developed as the low-frequency companion for systems such as K1, KUDO, V-DOSC, and ARCS, extending system response down to approximately 25 Hz.
- Dual 18-inch direct-radiating low-frequency drivers
- Bass-reflex enclosure with L-Acoustics’ laminar-flow vent design
- Standard or cardioid deployment configurations
- Designed for use with LA8 / LA12X amplified controllers and dedicated DSP presets
- Integrated rigging rails for flown or ground-stacked systems
- Baltic birch plywood construction for touring durability
- 142 dB peak
