QSC Audio CX302, CX502, CX702, CX902, CX1102, CX254, CX404, CX204V, CX302V, CX602V, CX1202V

Specifications 4-Channel Low-Impedance Models

OUTPUT POWER (Watts)

20 - 20k Hz, 0.03% THD, 8 Ohms/Ch.

20 - 20k Hz, 0.05% THD, 4 Ohms/Ch.

1k Hz, 1.0% THD (EIA), 8 Ohms/Ch.

1k Hz, 1.0% THD (EIA), 4 Ohms/Ch.

1k Hz, 1.0% THD (EIA), 2 Ohms/Ch.

Bridge Mono, 20 - 20k Hz, 0.1% THD, 16 Ohms Bridge Mono, 20 - 20k Hz, 0.1% THD, 8 Ohms Bridge Mono, 1k Hz, 1.0% THD, 8 Ohms Bridge Mono, 1k Hz, 1.0% THD, 4 Ohms

DISTORTION, SMPTE-IM

FREQUENCY RESPONSE

SIGNAL to NOISE, unweighted, 20 - 20k Hz

VOLTAGE GAIN

INPUT SENSITIVITY, Vrms

for rated power into 8 Ohms for rated power into 4 Ohms

OUTPUT CIRCUIT TYPE

INPUT IMPEDANCE

DYNAMIC HEADROOM

DAMPING FACTOR

AMPLIFIER PROTECTION

COOLING

CONTROLSFront:

Back:

LED INDICATORS
CONNECTORS	Input:
	Output:
	Other:
LOAD PROTECTION
POWER REQUIREMENTS
DIMENSIONS
WEIGHT

CX254	CX404
170	250
250
450	450
340	500
500	900
900
<0.01%	<0.01%

EN

20 - 20k Hz, ±0.2dB at 10dB below rated output power, all models (-3dB points: 8 Hz and 100 kHz)

-106 dB	-106 dB
29.0x (29dB)	36.5x (31dB)
1.28 (+4.4dBu)	1.22 (+3.9dBu)
1.08 (+2.9dBu)	EIA: 1.16 (+3.5dBu)
AB	AB

6k ohms unbalanced, 12k ohms balanced, all models

2 dB at 4 Ohms, all models

>500 at 8 Ohms, all models

Short circuit, open circuit, thermal, ultrasonic and RF protection. Stable into reactive or mismatched loads

Continuously variable speed fan; back-to-front air flow through heat sink tunnel

AC POWER switch, gain controls (1 control per channel, 21 detents)

10-position DIP switch (1 per channel pair) 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 (1 set per Ch. pair)

POWER (green, 1 each), SIGNAL, -10dB, -20dB (green, 1 each per Ch.), CLIP (red, 1 each per channel), BRDG and PAR (yellow, 1 each per Ch. pair)

3-pin terminal block ("euro" or "Phoenix" type)

barrier strip connectors with protective shroud, one barrier strip per Ch. pair

two QSC DataPort connectors (supports full “V1”feature set), one DataPort per Ch. pair

Turn-on/turnoff muting, AC coupling (DC fault blocking), Clip limiting.

Refer to rear panel serial number label. Configured at factory for 100, 120 or 220-240 VAC, 50- 60 Hz.

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)

21 pounds (9.5 kg) net; 27 pounds (12.3 kg) shipping

SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE

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