Countryman E6CABLET1AT  Aramid-Reinforced E6 Series Earset Snap-On Cable for Audio Technica Transmitters (Tan) Aramid-reinforced E6 series earset snap-on cable is already the best value in terms of comfort, sound quality and appearance^Fits Audio Technica transmitter models T27, T31, T51, T200, T201, T210, T300, T310, 1100 Series, 1400 Series, 2000 Series, 3000 Series^E6 cable is not interchangeable^Cables quickly and securely snap into all E6 series earsets to link the mic to the wireless system^Available in tan color; measures 1-mm diameter