The Sanken COS-11D (specifically configured as the COS-11DR-BK-LEMO) is a world-renowned, industry-standard subminiature lavalier microphone engineered for high-end film, television broadcast, and theater productions. This specific model features a sleek black finish and comes pre-terminated with a premium 3-pin LEMO connector, making it natively compatible with high-end wireless transmitters like the Sound Devices Astral Mini (A20-Mini) and the Astral TX.