Delta K18 FS

Product at a Glance

The British Acoustics Delta K18 FS is a high-performance self-powered 18" flying subwoofer, designed for powerful and precise low-frequency reinforcement in professional audio applications. Featuring an 18" neodymium magnet woofer housed in a front-loaded, vented enclosure, the K18 FS ensures exceptional bass performance with clarity and control. Engineered for seamless integration, the Delta K18 FS pairs perfectly with the Delta K40 Line Array, enabling the creation of robust array configurations. For ground-stacked setups, it includes a top-mounted 20mm threaded pole socket, allowing versatile deployment options with minimal effort. Powered by a 3000W Class-D amplifier, the K18 FS delivers consistent output with a frequency range of 31 Hz to 22 kHz.

Its 4" Duo Copper Voice Coil and Malt Cross Cooling Technology provide thermal stability and durability, ensuring peak performance even in demanding environments. The subwoofer is equipped with Delta Audio Controller and Delta Array Predictor, offering precise control and advanced system configuration capabilities such as cardioid arrays and subwoofer beams. Its automatic voltage selection ensures adaptability across global power standards, while the sloped input plate enhances weather resistance. Built with a robust birch ply enclosure, granular scratch-free paint, and Fortex™ weather-resistant cones, the Delta K18 FS is designed for reliability and durability. Finished in British Acoustics’ signature brown tone, it is a flagship choice for professionals who demand powerful, versatile, and weather-ready subwoofer performance.