QSC CX902

EN
11
Specifications 2-Channel Low-Impedance Models
CX302 CX502 CX702 CX902 CX1102
OUTPUT POWER (Watts)
20 - 20k Hz, 0.03% THD, 8 Ohms/Ch. 200 300 425 550 700
20 - 20k Hz, 0.05% THD, 4 Ohms/Ch. 325 500 700 900 1100
1k Hz, 1.0% THD (EIA), 8 Ohms/Ch. 215 325 475 625
1k Hz, 1.0% THD (EIA), 4 Ohms/Ch. 375 550 825 1050
1k Hz, 1.0% THD (EIA), 2 Ohms/Ch. 600 800 1200 1500 1700
Bridge Mono, 20 - 20k Hz, 0.1% THD, 16 Ohms 400 600 850 1100 1400
Bridge Mono, 20 - 20k Hz, 0.1% THD, 8 Ohms 700 1000 1500 2000
Bridge Mono, 1k Hz, 1.0% THD, 8 Ohms
Bridge Mono, 1k Hz, 1.0% THD, 4 Ohms 1200 1600 2400 3000 3400
DISTORTION, SMPTE-IM <0.01% <0.01% <0.02% <0.02% <0.02%
FREQUENCY RESPONSE 20 - 20k Hz, ±0.2dB at 10dB below rated output power, all models (-3dB points: 8 Hz and 100 kHz)
SIGNAL to NOISE, unweighted, 20 - 20k Hz -106 dB -107 dB -106 dB -104 dB -106 dB
VOLTAGE GAIN 31.5x (30dB) 40.0x (32dB) 50.5x (34dB) 56.6x (35dB) 56.6x (35dB)
INPUT SENSITIVITY, Vrms
for rated power into 8 Ohms 1.26 (+4.2dBu) 1.23 (+4.0dBu) 1.16 (+3.5dBu) 1.17 (+3.6dBu) 1.35 (+4.8dBu)
for rated power into 4 Ohms 1.14 (+3.4dBu) 1.12 (+3.2dBu) 1.05 (+2.6dBu) 1.06 (+2.7dBu) 1.17 (+3.6dBu)
OUTPUT CIRCUIT TYPE AB AB H H H
INPUT IMPEDANCE 6k ohms unbalanced, 12k ohms balanced, all models
DYNAMIC HEADROOM 2 dB at 4 Ohms, all models
DAMPING FACTOR >500 at 8 Ohms, all models
AMPLIFIER PROTECTION Short circuit, open circuit, thermal, ultrasonic and RF protection. Stable into reactive or mismatched loads
COOLING Continuously variable speed fan; back-to-front air flow through heat sink tunnel
CONTROLS Front: AC POWER switch, gain controls (1 control per channel, 21 detents)
Back: 10-position DIP switch with Clip Limiter (1 per Ch.), LF Filter on/off (1 per Ch.)
LF filter select: 33 or 50 Hz (1 per Ch.), Stereo/Parallel/Bridge mode selection switches
LED INDICATORS POWER (green, 1 each), SIGNAL, -10dB, -20dB (green, 1 each per Ch.), CLIP (red, 1 each per
channel), BRDG and PAR (yellow, 1 each)
CONNECTORS Input: 3-pin terminal blocks ("euro" or "Phoenix" type) and XLRs (pin 2 positive)
Output: barrier strip connectors with protective shroud
Other: QSC DataPort connector (supports full “V1”feature set)
LOAD PROTECTION Turn-on/turnoff muting, AC coupling (DC fault blocking), Clip limiting.
POWER REQUIREMENTS Refer to rear panel serial number label. Configured at factory for 100, 120 or 220-240 VAC, 50- 60 Hz.
DIMENSIONS 19.0" (48.3 cm) W, 3.5" (8.9 cm) H, 14" (35.6 cm) D (from front mounting rails, including rear support ears)
WEIGHT 21 pounds (9.5 kg) net; 27 pounds (12.3 kg) shipping
SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE