The AT8647QM/S is intended for use with microphones mounted on lecterns, pulpits, conference tables and other surfaces. Suspended rubber panel isolates microphone from the mounting surface. Provides effective reduction of mechanical noise and vibration. Lighted mute switch (requires 24-48V phantom power). XLRF connector mount. Fits Audio-Technica Case Style(s): M23, M26, M27, M34, M35, M43, M45