BAL2S SKU BAL2S-261 BALANCED INPUT SCREW TERMINAL MODULE M-SERIES Please log in to see price or purchase this item Request an account Line Comment Special Price Features:Stereo, high-impedance, balanced inputsProfessional-quality, low noise performanceSelectable gain of 0 or 18 dBCompatible with telephone system page portsVariable ducking level when mutedFade back from muteScrew terminals