The SU6.521K4 is a 3-way in-ceiling dipole surround sound speaker in the high-quality Kevlar Series, based on the best materials and featuring the most advanced technologies available.
The SU6.521K4 is tailor-made for in-ceiling surround sound, and incorporates unique features to ensure the best possible sound for the rear channels in a home theatre system. Combined with the 6.521K4 or 8.521K4 as front speakers you will have a complete in-ceiling surround system.