The AKG CK 55 L Lavalier microphone is a low-profile, cost efficient clip-on microphone for applications including houses of worship, lecturers, etc. It Connects to AKG bodypack transmitters. The CK 55 L provides a natural sound, with a slight rise above 10 kHz for added clarity. Its cardioid polar pattern and bass roll off combine to suppress unwanted ambient noise. Includes attachment clip and windscreen.