The Barcus-Berry 3000AE is specifically designed to work with all Barcus-Berry condenser electret microphone pickup systems such as the 5600 and 6100 microphones. The 3000AE features external bass, treble and volume frequency controls to allow a wide range of adjustment. Includes a belt clip for unrestricted movement. Mic/pickup not included. Battery operated, does not provide or run on phantom power.