Features：

*Automatic identification of noise and sound pressure level of broadcasting program.

* 4 channel digital ambient noise controller.

* Automatically adjust the output level after programmed.

* Intelligent digital sound system controller in 1U height.

* 19" rack mount design type.

* 4 channel sensor inputs, and each channel capacity or total four channel capacity max of 16 units.

* Serial or parallel connection at communication distance of 3kms.

* A serial ports for PC software configuration and data management.

* The controller work stand alone without software after configuration.

* With computer software configuration function, software is made into plug-in.

* DC24V power supply interface.

* With LCD display.

* Four channel separate line inputs and outputs.

* Built-in CPU and menu function button for program by itself.

* End-user self defined sampling frequency response period.

* Max output level function.

* With four channel output level display.

* Ambient noise control (ANC) and output level adjustment (ALC) function.

Specifications：