The Sennheiser MEB 102-L Omni-Directional Install Boundary Black Microphone is compact and unobtrusively designed, the boundary layer microphones MEB 102 (omnidirectional) and MEB 104 (cardioid) fits any style of interior and can be easily installed into surfaces such as tables or ceiling tiles. Each of them features a proven Sennheiser microphone capsule for the best speech intelligibility and is protected by a rugged housing. Its -L variant features a bi-color LED ring for status indication.