Product DescriptionPlug-in modules support different input types including the ability to interface to balanced and unbalanced high- and low-impedance inputs, stereo and mono, telephone PBXs, and microphones.
A stereo, balanced, high-impedance input module (BAL2S)
comes standard with each amplifier.
Product FeaturesTelephone interface input module
• Loop start or ground start trunk interfacing**
• Dry loop interface to paging ports
• Audio-activated paging in dry loop
• Gain/Trim control
• Noise gate w/Threshold control
• Limiter w/Threshold control
• Bus assignable & Transformer-isolated
• Mute send & receive*
• Screw terminal connections