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 PowerWave 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.

Front Panel

(CX404 shown, other models similar)

1- Power Switch

4- Security Panel Retaining Screw

2- Cooling Air Exhaust Vents

5- Gain Controls

3- LED Indicators

6- Security Panel Retaining Slots

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QSC Audio CX702, CX602V, CX404, CX902, CX204V, CX1102, CX1202V, CX302V, CX254, CX502 Introduction, Unpacking, Front Panel

CX302, CX1202V, CX502, CX702, CX1102 specifications

QSC Audio has established itself as a leader in professional audio solutions, and their CX series amplifiers, including the CX204V, CX254, and CX404, stand out for their performance and versatility. These amplifiers are specifically designed to meet the needs of commercial audio applications, such as in venues, corporate environments, and educational institutions.

The CX204V is a 2-channel amplifier that delivers 200 watts per channel at 4 ohms, making it ideal for smaller venues or installations that require high-quality audio without overwhelming power. One of its key features is the inclusion of built-in DSP (Digital Signal Processing) capabilities, allowing users to optimize their sound with advanced filtering and equalization options. Additionally, the amplifier supports a range of input options, including balanced XLR and 1/4-inch connectors, providing flexibility for various audio setups.

Moving to the CX254, this 2-channel amplifier boosts power output to 250 watts per channel at 4 ohms, making it suitable for larger spaces that necessitate a bit more oomph. The CX254 also includes QSC’s Power Factor Correction technology, which ensures efficient power usage and greater amplification performance, even during demanding situations. Furthermore, it features RS-232 control capabilities, providing users with remote operation options and making integration into existing audio systems seamless.

The CX404 takes things a step further with its 4-channel configuration, delivering 200 watts per channel at 4 ohms. This amplifier is particularly well-suited for multi-zone applications where audio needs to be distributed across various areas. With its advanced overheating protection and short-circuit protection features, the CX404 is built for durability and reliability, ensuring consistent performance without the risk of damage during extended use.

All three amplifiers in the CX series include QSC's innovative Class D topology, offering lightweight and compact design without sacrificing power or audio quality. The CX series is also distinguished by its robust construction, including a rugged chassis designed to withstand the rigors of installation and performance use.

In summary, the QSC Audio CX204V, CX254, and CX404 seamlessly combine power, efficiency, and versatility, making them ideal choices for a variety of commercial audio applications. Their built-in technologies, advanced features, and solid construction emphasize QSC’s commitment to delivering exceptional sound experiences.