2-way coaxial ceiling loudspeaker with Kevlar membrane and silk ring radiator in the high frequency. Can be used in high-quality building projects where the highest quality sound and the best design are required. The M/R 180 nestles against the ceiling without a shadow gap. A large number of different cover panels in round and square shapes leave no design wish unfulfilled. They are available in acrylic glass, plastic (white or black) and stainless steel and are only 4 mm thick.