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QSC CX404 250W 4-Channel Power Amplifier

$1,835.00
SKU
QSC-CX404
  • Manufacturer: QSC

Three models that range in power from 170 watts to 450 watts per channel Compact size-all models only 2 RU and 14" deep for reduced rack cost and floor space Channels 1&2 and 3&4 bridgeable for maximum flexibility

More Information
MPN (manufacturer part number)CX404
UPC (Universal Product Code)0 684284001498
ConditionNew
SpecsSTEREO MODE (All Channels Driven) 8 ohms 20 Hz-20 kHz 0.05% THD - 170W 250W 4 ohms 20 Hz-20 kHz 0.05% THD - 250W 400W* 2 ohms 1 kHz 1% THD - 450W not recommended 70V 20 Hz-20 kHz 0.05% THD 200W - - 70V 1 kHz 0.05% THD 220W - - 70V 1 kHz 1% THD 300W - - BRIDGED MONO MODE 16 ohms 20 Hz-20 kHz 0.1% THD - 340W 500W 8 ohms 20 Hz-20 kHz 0.1% THD - 500W 800W* 4 ohms 1 kHz 1% THD - 900W not recommended 140V 20 Hz-20 kHz 0.1% THD 400W - - 140V 1 kHz 0.05% THD 440W - - 140V 1 kHz 1% THD 600W - - Noise, 20Hz-20kHz <-105 dB <-106 dB <-106 dB Input Sensitivity 1.26Vrms 1.22Vrms 1.22Vrms Gain (for full-rated output power) 35 dB @ 70.7V 29 dB @ 8 ohms 31 dB @ 8 ohms Input Clipping 10 Vrms (+22 dB) 10 Vrms (+22 dB) 10 Vrms (+22 dB) Output Circuitry AB+B AB+B AB+B Distortion (SMPTE-IM) Less than 0.02% Less than 0.01% Less than 0.01% ALL MODELS Distortion (Typical) 20 Hz-20 kHz: 10 dB below rated power 1.0 kHz and below: full rated power Less than 0.01% THD Less than 0.01% THD Frequency Response (typical) 20 Hz-20 kHz, ± 0.2 dB 8 Hz-50 kHz, +0/-3 dB Damping Factor Greater than 500 (1 kHz and below) Input Impedance 6k ohms unbalanced, 12k ohms balanced Cooling Variable speed fan, rear to front airflow through tunnel heat sink Connectors, each channel Input: 3 position Euro-style detachable barrier block, Ch 1,2,3 & 4 DataPort: HD-15 Connector, Ch 1+2, Ch 3+4 Output: Six-position barrier strip with monitor connections, Ch 1+2, Ch 3+4 Amplifier Protection Full short circuit, open circuit, thermal, ultrasonic, & protection. Stable into reactive or mismatched loads. Load Protection On/off muting, DC-fault power supply protection Indicators PARALLEL INPUTS: Red LED BRIDGED: Yellow LED PWR-ON: Green LED CLIP/PROT: Red LED (1 per channel) LEVEL-10 dB: Yellow LED (1 per channel) LEVEL-20 dB: Yellow LED (1 per channel) SIGNAL -35 dB: Green LED (1 per channel) Controls Controls Front: AC switch, Ch.1 and Ch.2 gain knobs Rear: DIP switch for Ch.1 and Ch.2: clip limiter on/off, LF filter on/off, LF filter freq select 33 Hz or 75 Hz for non-V models; 50 Hz or 75 Hz for V models; inputs parallel or stereo; bridge mode Dimensions 19" (48.3 cm) rack mounting, 3.5" (8.9 cm) tall (2 rack spaces), 14" (35.6 cm) deep (from front mounting rails) Weight 21 lb (9.5 kg) net, 27 lbs (12.3 kg) Shipping Power Requirements 100, 120, 230 Vac, 50-60 Hz
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