Features:
Fully adaptive noise cancelling
Minimum distortion to audio signal
Noise cancellation 11 - 35dB
4 user selectable noise cancelling levels
Single button operation with LED and audible indication
Wide audio bandwidth for natural sound
Input and output level adjustment
Beep level adjustment
Input overload indication LED
Last used DSP level stored in memory
5 - 15VDC operation
Installation
Four wires are used to connect the module in circuit.
Controls.
Level controls are provided for input level, audio output level. The module
features an overload LED on the audio input to give visual indication of the
correct signal level.
The volume level of the beeper can be adjusted to suit.