Compact ceiling speaker, ideal for the reproduction of speech and background music in low rooms (2.4...3 m), e.g. residential buildings, offices, practices/law firms, etc. It is equipped with an 87 mm broadband chassis with an additional tweeter cone. This results in a wide radiation angle, so that a large area can be evenly covered with sound with just 140 rpm. Other features include: ground screw and strain relief. With a unique spring mechanism, ceiling installation takes just seconds.