JBL NCST2120-X – CST2120 2-Channel Transformer Kit for CSA2120
Product Description The JBL NCST2120-X (CST2120) is a professional 2-channel transformer kit designed specifically for use with the JBL CSA2120 amplifier. It provides impedance and voltage matching, enabling the amplifier to drive 70V and 100V distributed speaker systems commonly used in commercial audio installations. Its rack-mountable design allows seamless integration with the CSA2120 amplifier, making it ideal for background music and paging applications in retail stores, restaurants, hospitality venues, educational facilities, and other commercial environments.
Features
2-channel transformer module for constant-voltage operation
Compatible with JBL CSA2120 commercial amplifier
Provides impedance and voltage matching
Supports both 70V and 100V distributed speaker systems
Enables CSA2120 amplifiers to operate with constant-voltage speaker networks
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