Crown DriveCore I-Tech 4x3500 HD Operation Manual page 33

I-Tech HD DriveCore Series Power Amplifiers
7 Advanced Operation
7.7.5 Source Configuration
In this screen you can configure the levels and settings of the
analog, AES and CobraNet inputs. The input signal of each channel
can be independently muted.
The I-Tech HD amplifier can be set to work as a fixed gain amplifier:
any input signal is given a fixed amount of gain, either 26dB or
32dB. In addition, you can set the input sensitivity to determine how
much gain is provided. See Section 4.8.20 for more details.
Operation Manual
page 33