Channel specifications – QSC Audio CX702 User Manual
Page 2
CX302
CX502
CX702
CX902
CX1102
CX302V
CX602V
CX1202V
Stereo Mode (both channels driven)
Continuous average output power per channel
8Ω / 20 Hz – 20 kHz / 0.05% THD
200 W
300 W
425 W
550 W
700 W
–
550 W
700 W
4Ω / 20 Hz – 20 kHz / 0.05% THD
325 W
500 W
700 W
900 W
1100 W
–
–
1100 W
2Ω / 1 kHZ / 1% THD
600 W
800 W
1200 W
1500 W
1700 W
–
–
-
70V / 20 Hz – 20 kHz / 0.05% THD
−
—
—
400 W
800 W
200 W
400 W
800 W
70V / 1 kHz / 0.05% THD
—
—
—
440 W
1000 W
250 W
440 W
1000 W
70V / 1 kHz / 1% THD
—
—
—
600 W
1200 W
300 W
600 W
1200 W
Bridge-Mono Mode
Bridge-mono mode operation
16Ω / 20 Hz – 20 kHz / 0.1% THD
400 W
600 W
850 W
1100 W
1400 W
—
1100 W
1400 W
8Ω / 20 Hz – 20 kHz / 0.1% THD
700 W
1100 W
1500 W
2000 W
2200 W
–
–
2200 W
4Ω / 1 kHz / 1% THD
1200 W
1600 W
2400 W
3000 W
3400 W
–
–
–
140V / 20 Hz – 20 kHz / 0.1% THD
—
—
—
800 W
1600 W
400 W
800 W
1600 W
140V / 1 kHz / 0.05% THD
—
—
—
880 W
2000 W
500 W
880 W
2000 W
140V / 1 kHz / 1% THD
—
—
—
1200 W
2400 W
600 W
1200 W
2400 W
Signal to Noise (20 Hz – 20 kHz)
> -107 dB
> -107 dB
> -106 dB
> -106 dB
> -106 dB
> -106 dB
> -106 dB
> -106 dB
Input Sensitivity at 8Ω
1.26 Vrms
1.23 Vrms
1.16 Vrms
1.17 Vrms
1.35 Vrms
1.26 Vrms
1.26 Vrms
1.26 Vrms
Gain at 8Ω
30 dB
32 dB
34 dB
35 dB
35 dB
35 dB
35 dB
35 dB
Output Circuitry
Class AB+B
Class AB+B
2-tier Class H
2-tier Class H
2-tier Class H Class AB+B
Class AB+B
2-tier Class H
Distortion (SMPTE-IM)
< 0.02%
Distortion (typical)
20 Hz – 20 kHz: 10 dB below rated power
< 0.01% THD
1.0 kHz and below: full rated power
< 0.01% THD
Frequency Response
20 Hz - 20 kHz, ± 0.2 dB
Damping Factor
> 500
Input Impedance
6k ohms unbalanced, 12k ohms balanced
Input Clipping
10 Vrms (+22 dBu)
Cooling
Variable-speed fan, rear-to-front air flow
Connectors
Input: 3-pin XLR & 3-pin detachable terminal blocks (1 each per channel) Output: Safety shrouded barrier strip
Amplifier Protection
Full short circuit, open circuit, thermal, ultrasonic, RF protection. Stable into reactive or mismatched loads
Load Protection
On/off muting, DC-fault power supply shutdown
Dimensions (HWD)
3.5" (8.9 cm) 2 RU x 19" (48.3 cm) rack mounting x 14" (35.6 cm) from front mounting rails
Weight - Net / Shipping
21 lb (9.5 kg) / 27 lb (12.3 kg)
120V Current Consumption
Idle
0.8 A
0.9 A
0.9 A
0.9 A
0.9 A
0.8 A
0.9 A
0.9 A
1/8 power pink noise
8Ω
3.8 A
5.6 A
5.0 A
6.0 A
7.6 A
–
–
–
4Ω
6.0 A
9.0 A
7.9 A
9.5 A
11.6 A
–
–
–
2Ω
9.6 A
14.0 A
11.8 A
14.0 A
16.6 A
–
–
–
70V
–
–
–
–
–
5.7 A
8.7 A
12.0 A
1/3 power pink noise
8Ω
5.4 A
8.0 A
8.4 A
11.0 A
13.1 A
–
–
–
4Ω
8.9 A
13.3 A
13.5 A
17.0 A
20.0 A
–
–
–
2Ω
14.3 A
21.0 A
22.0 A
27.0 A
–
–
–
–
70V
–
–
–
–
–
8.0 A
13.0 A
19.0 A
CX
2-Channel
Specifications
qscaudio.com
1675 MacArthur Boulevard • Costa Mesa, CA 92626 • Ph: 800/854-4079 or 714/957-7100 • Fax: 714/754-6174
CX 2-channel Spec Sheet - 05/15/09
Specifications subject to change without notice.
(typical of program material
with severe clipping)
(typical of program material at
maximum unclipped power)
QSC, the QSC logo and PowerLight are registered trademarks of QSC Audio Products, LLC in the U.S. Patent and Trademark office and other countries.
All other trademarks are the property of their respective owners. Patents may apply or be pending.
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