The rack-mountable JBL Commercial® CST-2120 transformer module provides impedance and voltage matching from the CSA-2120 amplifier (with 4 and 8 ohms outputs) to drive 70V and 100V distributed speakers systems.
This unit allows the CSA-2120 amplifier without direct 70V or 100V output capability to drive distributed speaker systems designed to operate at those voltages.
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