The Provider Series PSE9 Earset Microphone is a low-profile, single-ear headworn microphone featuring a single ear design with replaceable cables. The PSE9 is built for exceptional sound quality around the popular PSL6 low profile lavalier microphone. The PSE9 can be worn on the left or right side of the face and molded to fit any user. today in Tan or Black. The PSM3 is configured for Audio-Technica, Shure and Sennheiser.