Programmable mini base station transmitter with Communications EQ. Operates on 5 standard wide-band companded channels for use with the PR-216 receiver and 5 standard narrow-band, non-companded channels for use with in-ear receivers. Accepts balanced line level with XLR input and electret microphone or aux level inputs with 1/4" phone plug. Includes 12-volt universal switching power supply, SLW 75-216 loaded flexible helical antenna, and C-75 carrying case.