Tag: CST-2120

JBL Public Address System Transformer Introduction The rack-mountable JBL Commercial® CST-2120 transformer module provides impedance and voltage matching from the CSA-2120 amplifier (with 4 ohms or 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…