• Maximum gain control
• Ramp speed control
• Activity threshold control
• Ambient mic input threshold control
• Aux input can bypass gain control function
• Aux level input control
• Stereo unbalanced Aux inputs (electronically summed mono) with low priority
• Barrier strip connections for sensor microphone & remote defeat
• Gradual fade back from mute for Aux IN

• Stereo, high-impedance, balanced inputs
• Professional-quality, low noise performance
• Selectable gain of 0 or 18 dB
• Compatible with telephone system page ports
• Variable ducking level when muted
• Fade back from mute
• Screw terminals

• Gain/Trim control
• Bass & Treble controls
• Noise gate w/ Threshold control
• Line/MIC gain switch
• 24V Phantom power
• Fade back from mute
• Priority & bus assignments
• Mutes lower priority modules
• Input level controlled by remote panel or direct voltage
• Wall Plate Control included
• Limiter with LED activity indicator

• Unbalanced input module
• Gain/Trim control
• Bass & Treble controls
• Variable ducking level when muted
• Fade back from mute
• RCA connector

• Gain/Trim control
• Hi-Cut/Lo-Cut controls
• Voice Enhancement control
• Noise gate w/ Threshold control
• Limiter w/Threshold control
• 24V Phantom power
• Screw terminals

• Transformer-isolated, balanced line-level input
• 600-ohm or 10k jumper selectable input impedance
• Transformer-isolated, balanced line-level output
• 8-ohm, 750mW output
• Input & output level controls
• N.O. or N.C. relay contacts
• Screw terminals

• Unbalanced input module
• Gain/Trim control
• Bass & Treble controls
• Variable ducking level when muted
• Fade back from mute
• Stereo-to-mono summing option
• RCA connectors

• Transformer-isolated line level input
• Gain/Trim control
• Bass & Treble controls
• Variable ducking level when muted
• Fade back from mute
• Screw terminals

• Loop start or ground start trunk interfacing (requires external power supply)
• Dry loop interface for paging ports
• Audio-activated paging in dry loop
• Gain/Trim control
• Noise gate
• Limiter
• Screw terminals

• Select 4 of 8 tones to trigger
• Burst/steady, slow whoop, siren, mechanical bell, Klaxon, night ringer, double chime, & doorbell tones
• Momentary & continuous playback modes
• Screw terminal trigger connections
• Level control
• Microprocessor-controlled operation
• Screw terminals