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QSC CMX300Va 200 watt Contractor Power Amplifier

QSC CMX300Va 200 watt Contractor Power Amplifier
QSC CMX300Va 200 watt Contractor Power Amplifier
QSC CMX300Va 200 watt Contractor Power Amplifier

QSC CMX300Va 200 watt Contractor Power Amplifier

Item #110221
(0 Reviews)
USD$480.00 Request Price Match
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QSC CMX300Va 200 watt Contractor Power Amplifier


  • "Flex-Use" loading options allows CMX Series amps to drive low-impedance loads down to 2 ohms, and certain models can direct-drive (no output transformer) 70V and 100V distributed loudspeaker systems
  • "Flex-Use" input connectivity choices including actively balanced barrier strip, XLR, or 1/4" TRS
  • "Flex-Use" output connectivity choices include NL4 Speakonô and detachable terminal block
  • Rack mountable with chassis less than 16" (40.6 mm) deep
  • 1-dB recessed, detented gain controls for fast, accurate, and repeatable settings
  • Tamper-proof security cover for gain controls
  • Recessed rear DIP switches for easy selection of stereo, parallel, or bridged mode operation, and enabling/disabling low-frequency filter protection
  • Low-noise variable-speed fans with rear-to-front airflow help keep amplifiers and racks cool


  • Stereo Mode (both channels driven)
    • 8ohms FTC 0.1% THD: 185 W
    • 8ohms EIA 0.1% THD: 200 W
    • 4ohms FTC 0.1% THD: 280 W
    • 4ohms EIA 0.5% THD: 300 W
    • 2ohms EIA 1% THD: 300 W
    • 70V Direct EIA 1% THD: ñ
    • 100V Direct EIA 1% THD: ñ
    • FTC: 20 Hzñ20 kHz after preconditioning
    • EIA: 1 kHz
  • Bridge Mono Mode:
    • 8ohms FTC, 0.1% THD:530 W
    • 8ohms EIA, 0.1% THD: 600 W
    • 4ohms EIA, 1% THD: 830 W
    • 70V Direct Drive EIA, 1% THD: 600 W
    • 100V Direct Drive EIA, 1% THD: -
    • FTC: 20 Hzñ20 kHz after preconditioning; both channels driven simultaneously
    • EIA: 1 kHz
  • Signal to Noise (20 Hzñ20 kHz, 8ohms): > 100 dB
  • Input Sensitivity into 8ohms: 1.15 V (+3.4 dBu)
  • Max Voltage Gain: 31.6◊ (30 dB)
  • Output Circuitry: Class AB
  • Current Draw (pink noise program)
    • Typical, 1/8 power 4ohms, 120 V: 4.4 A
    • Typical, 1/8 power 4ohms, 230 V: 2.2 A
    • Severe, 1/3 power 4ohms, 120 V: 6.6 A
    • Severe, 1/3 power 4ohms, 230 V: 3.3 A
  • Distortion (SMPTE-IM): < 0.02%
  • Distortion (typical)
  • 20 Hzñ20 kHz: 10 dB below rated power: < 0.03% THD / 4ohms and 8ohms
  • 1.0 kHz and below: full rated power: < 0.03% THD / 4ohms and 8ohms
  • Frequency Response: 20 Hzñ20 kHz: ±1 dB; -3 dB points: 5 Hz and 50 kHz
  • Damping Factor (1 kHz and below): >300 at 8ohms
  • Input Impedance: 10 kohms unbalanced, 20 kohms balanced
  • Input Clipping: 10 V rms (+22 dBu)
  • Cooling: Continuously variable-speed fan, rear-to-front air flow
  • Connectors (each channel):
    • Input: Active balanced; barrier strip, XLR and 1/4 (6.3 mm) ñ TRS tip and XLR pin 2 positive
    • Output: Detachable terminal block and Neutrik Speakon
  • Controls:
    • Front: AC switch, Channels 1 & 2 gain knobs
    • Rear: 10-position DIP switch
  • Indicators: Power-on: Green LED / Signal: Green LED (1 per channel) / Clip: Red LED (1 per channel)
  • Amplifier Protection: Stable into reactive or mismatched loads
  • Load Protection: On/off muting, AC coupling (CMX 300Va and CMX 500Va), triac crowbar (CMX 800Va and CMX 2000Va on each channel)
  • Power Requirements: 120 or 230 VAC, 50 ñ 60 Hz
  • Dimensions (HWD)
    • 2 RU models: 3.5" (8.9 cm) 2 rack spaces x 19" (48.3 cm) rack mounting x 15.9" (40 cm) deep to rear support ears
    • 3 RU model (CMX 2000Va): 5.25" (13.3 cm) 3 rack spaces x 19" (48.3 cm) rack mounting x 15.9" (40 cm) deep to rear support ears
  • Weight - Net: 35 lb (15.9 kg)
  • Weight - Shipping: 41 lb (18.6 kg)
… [ More ]
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