This audio block is suitable for use with the DP3400/DP3600 series of Motorola digital handsets. It allows you to use the two pin Motorola type of plug with the above handsets. Sometimes referred to as an audio block or audio adaptor. These are in very good condition although they are used, and have been tested and found to be working as they should.
Convert earpieces and headsets with Motorola two pin plug to work on above DP series portable radios.