Automatically adjusts paging level as ambient noise levels rise and fall Balanced and unbalanced input and output AUX inputs bypass gain control feature Unbalanced stereo AUX inputs (summed mono) Supports up to 4 sensor microphones (one ANS500M included) wired in parallel for large areas Sensor microphones can be located up to 2,000 feet from control unit Only 2 wires needed for connection of sensor microphones Microphone module includes an adjustable mounting bracket for precise positioning Connects easily between pre-amp and power amp or to amplifier insert jacks Sensitivity control and max boost control Adjustable ramp speed