s advanced plug-in modules provide a wide range of functions to support a variety of applications. These modules support different signal-source requirements, including the ability to interface to balanced and unbalanced high- and low-level inputs, stereo or mono, telco systems, and microphones.Specifications. Line mode for high impedance input. MIC Mode for low impedance input. Electronically balanced input. Gain/Trim control with Gain range switch. Bass and treble. 24V Phantom power. Audio Gating. Gating with threshold and duration adjustments. Fade back from mute. Can be muted from higher priority modules. Can mute lower priority modules. Removable screw terminal inputFeatures. Line mode for high impedance input. MIC Mode for low impedance input. Electronically balanced input. Gain/Trim control with Gain range switch. Bass and treble. 24V Phantom power. Audio Gating. Gating with threshold and duration adjustments. Fade back from mute. Can be muted from higher priority modules. Can mute lower priority modules. Removable screw terminal input