YPA M1-C4T LAVALIER CLIP ON CARDIOID LAPEL MICROPHONE FOR AUDIO TECHNICA RADIO MIC Compatible with Audio Technica ATW-T27/T31/T51/T200/T210/T300/T310 and 1100/1400/2000/3000 series Connector safely Hirose 4 pin type plus configuration for pocket transmitter (tested on T310)