The rack-mountable JBL CST-2120 transformer module provides impedance and voltage matching for the CSA-2120 amplifier to drive 70V and 100V distributed speaker systems. Features Providing two channels for constant voltage operation 70V/100V Outputs Rack-mountable with CSA2120 Detachable block input and output connectors Good used condition and working order Comes with the cables Please check all the pictures for more details
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