Model 11ACY - Acoustic Air Tube style of speaker. It is especially good for covert operations. The efficient acoustic air tube design delivers clear concise audio directly to the ear canal. This type of accessory is especially popular in the TV and security industries where concealment and comfort of the earpiece is seen as a necessity. Many ear inserts are available, including the EP series of standard sized ear moulds.
NB: You MUST choose a Connector from the "Available Options" list.
If you are not sure what connector fits your radio, check the Radio Connector Parts List to find your radio and identify your correct connector.