QSC CX902

CX Series
User Guide
2-Channel Low-impedance Models:
CX302
CX502
CX702
CX902
CX1102
4-Channel Low-impedance Models:
CX254
CX404
70 Volt Direct Output Models:
CX204V (4-channel)
CX302V (2-channel)
CX602V (2-channel, 8 ohm)
CX1202V (2-channel, 4 and 8 ohm)
TD-000077-00-K
*TD-000077-00*

QSC CX902 Specifications

General

Channels	2
Total Harmonic Distortion (THD)	< 0.1%
Input Sensitivity	1.4 V
Signal-to-Noise Ratio (SNR)	> 100 dB
Input Impedance	20 kOhms
Damping Factor	> 500
Connectors Input	XLR, 1/4" TRS
Connectors Output	Binding posts, Speakon
Frequency Response	20 Hz - 20 kHz
Dimensions (H x W x D)	3.5 x 19 x 14.5 in
Cooling	Variable speed fan
Protection	Thermal, short circuit, overload
Voltage	100-240 VAC

Summary

Important Safety Instructions

Maintenance and Repair

Rack Mounting

AC Mains Connection

Setting the Mode Switches

Setting Clip Limiters

Details how to enable or disable the clip limiter for each channel.

Selecting Stereo, Parallel, or Bridge Mode

Guides on setting the amplifier for Stereo, Parallel, or Bridge Mono operation.

Setting Low Frequency Filters

Explains how to set the low-frequency filter for impedance or 70V models.

DataPort

Inputs

Outputs

Low Impedance Outputs

Distributed Outputs (V models, 70 V140 V)

LED Indicators

Power LED

CLIP LED

Signal, -20 dB, -10 dB LEDs

BRDG and PAR LEDs

Gain Controls

Specifications (4-Channel Low-Impedance Models)

Specifications (2-Channel Low-Impedance Models)

Specifications (2- and 4-Channel Distributed 70 V Line Models)