4 
EN
TD-000077-00-K 
Introduction
Thank you for purchasing this QSC power amplifier. Please read the following directions to obtain the best results.
The CX model line-up features:
•  2 channel and 4 channel low-impedance or transformerless 70V output models
•  Each channel pair has its own DataPort and Mode Switch
•  QSC DataPorts connect to the most advanced QSC accessories and monitoring systems
•  Mode switches for Clip Limit, Low Frequency Filter, Stereo, Bridge Mono, and Parallel Inputs
•  QSC PowerLight high-performance, compact, and light weight switching power supply
•  Complete amplifier protection and monitoring
•  Barrier strip output connectors
•  XLR and terminal block balanced input connectors
•  Gain controls are recessed and detented
•  Security cover for gain controls prevents tampering
•  Active inrush current limiting eliminates need for power sequencing
•  LED indicators for power, parallel or bridge mode, input signal presence, -20dB, -10dB, and clip/protect
•  Optional front panel handles
•  Optional IT-42 isolated output transformer for CX302 for 25V, 70V, and 100V (or 50V, 140V, and 200V bridge mode)
Unpacking
Factory packed carton contains: 
• CX amplifier
• User's manual
•  Security cover for gain controls
•  Adhesive rubber feet (for non-rack mount applications)
•  3-pin terminal block input connectors
•  Spade lug output connectors
•  IEC-type detachable power cord
Use the same type carton when shipping the amplifier.