BT-2, Small Earcones For Use With ET-4 (Bag of Five) The Telex BT-2 is a bag of 5 small plastic earcones in a clear finish, designed for use with the Telex ET-4 coiled acoustic assistive listening and personal monitoring eartube.

BT-2, Small Earcones For Use With ET-4 (Bag of Five) The Telex BT-2 is a bag of 5 small plastic earcones in a clear finish, designed for use with the Telex ET-4 coiled acoustic assistive listening and personal monitoring eartube.

BT2$18.07