Harfedale Titan 15D being the largest speaker in the series, the 15” woofer projects a supreme low-end, yet weighs only 22.9kg. Utilizing an organically shaped, internal laminar flow rib pattern polypropylene cabinet a strong and acoustically sound loudspeaker is achieved, without unnecessary weight. This lends itself to applications such as for mobile DJs, bands, and public addresses. The 15” model has a frequency wide frequency response. With tuned bass ports, the low end is low and clear.