Audio Technica 4 Pin Wireless Double Ear Hook Microphone Ultra Lightweight Beige. Compatible with all Audio Technica CW 4 pin Hirose connector transmitters - ATW-T35, ATW-T75, ESW-T211, ATW-T601, ATW-T701, AEW-T1000, AEW-T1000a, ATW-T1001 for use with 600 Series, 700 Series, 1000 Series, 1200 Series, 4000 Series, 5000 Series, 7000 Series, System 10, System 10 Pro.
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