Two-way radio audio accessories include devices that connect with the radios to transmit voice communications as well as components that adapt those audio devices for specific uses. Earpieces and headsets deliver audio directly into ears to make it easier to hear messages in noisy environments and to prevent people nearby from overhearing incoming communications. Microphones and speakers allow talking and listening without having to equip an earpiece, remove two-way radios from belt clips and holders, or access the onboard radio controls. Audio adapters modify the connector on two-way radios to allow use with earpieces, headsets, or other accessories that have a different type of connection. Audio accessories and replacement parts customize two-way radio audio components for specific applications or change out worn components to restore function.