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QSC CMX800Va Commercial Power Amplifier with 1200W

"Flex-Use" loading options and connectivity, rack mountable, tamper-proof security cover

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What's in the box:

  • QSC CMX800Va 1200W Commercial Power Amplifier (2 RU)
  • Limited Three-Year Warranty (Additional Limited 3-Year Warranty with Product Registration)

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Item Number 
QSC-CMX800VA
Vendor Part

The QSC CMX800Va 1200W Commercial Power Amplifier is a 2RU rugged unit designed to meet the needs of system integrators. This amplifier is used in facilities such as performance halls, houses of worship, sports clubs, gymnasiums, dance venues, pubs, and FGM/BGM systems. The amplifier uses a powerful, high-current toroidal transformer with filtering to ensure generous energy reserves. This allows the amplifier to effortlessly handle high-level transients, even when driving rigorous 2Ω speaker loads.

The amplifier output sections feature rugged class H architecture. The efficient class H output section reduces AC current draw and cuts down on unnecessary heat. Automatic current limiting protects the amplifier from damage until a short is corrected. It also features DC protection systems to prevent loudspeaker damage in the unlikely event of an output transistor failure. DC voltage from the power supply is never passed directly to your speakers, even in the case of an output circuit breakdown.

Features:

  • "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 ¼" TRS
  • "Flex-Use" output connectivity choices include NL4 Speakon™ 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

Be sure to check out the brochure and video for more information!

Specifications for the QSC CMX800Va Commercial Power Amplifier

{ "Stereo Mode (both channels driven)" : { "8Ohms / FTC 20 to 20, 000 Hz / 0.1% THD" : "450 W ", "8Ohms / EIA 1, 000 Hz / 0.1% THD" : "500 W ", "4Ohms / FTC 20 to 20, 000 Hz / 0.1% THD" : "650 W ", "4Ohms / EIA 1, 000 Hz / 0.5% THD" : "800 W ", "2Ohms / EIA 1, 000 Hz / 1% THD" : "1200 W ", "70 V Direct Drive / EIA 1, 000 Hz / 1% THD" : "400 W" }, "Bridge Mono Mode" : { "8Ohms / FTC 20 to 20, 000 Hz / 0.1% THD" : "1300 W ", "8Ohms / EIA 1, 000 Hz / 0.1% THD" : "1500 W ", "4Ohms / EIA 1, 000 Hz / 1% THD" : "2400 W ", "70 V Direct Drive / EIA 1, 000 Hz / 1% THD" : "2000 W ", "100 V Direct Drive / EIA 1, 000 Hz / 1% THD" : "2300 W" }, "Signal to Noise Ratio" : "20 to 20, 000 Hz, 8Ohms: > -100 dB", "Input Sensitivity at 8 ohms" : "1.23 V (+4.0 dBu)", "Voltage Gain" : "At 8Ohms: 46 x (33 dB)", "Output Circuit" : "2-tier Class H", "Power Requirements" : { "Typical, 1/8 Power Pink Noise at 4Ohms, 120 VAC" : "6.3 A ", "Typical, 1/8 Power Pink Noise at 4 Ohms, 230 VAC" : "3.2 A", "Severe, 1/3 Power Pink Noise at 4Ohms, 120 VAC" : "15.6 A ", "Severe, 1/3 Power Pink Noise at 4Ohms, 230 VAC" : "7.8 A" }, "Distortion" : { "SMPTE-M" : "< 0.01% ", "20 to 20, 000 Hz at 10 dB below rated power (typical)" : "< 0.03% THD / 4Ohms and 8Ohms ", "1, 000 Hz and below full-rated power (typical)" : "<0.03% THD at 4Ohms and 8Ohms" }, "Frequency Response" : { "20 to 20, 000 Hz" : "+/-1 dB ", "-3 dB points" : "5 to 50, 000 Hz" }, "Damping Factor" : "> 300 at 8Ohms (1, 000 Hz and below)", "Input Impedance" : "10 kOhms unbalanced, 20 kOhms balanced", "Input Clipping Level" : "10 Vrms (+22 dB)", "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) - TRS tip and XLR pin 2 positive ", "Output" : "Detachable terminal block and Neutrik Speakon" }, "Controls" : { "Front" : "AC switch, channel 1 and 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)" }, "Protection" : { "Amplifier" : "Stable into reactive or mismatched loads ", "Load" : "On/off muting, AC coupling, triac crowbar" }, "Power Requirement" : "120 and 230 VAC, 50 to 60 Hz", "Dimensions (H x W x D)" : "3.5" /132.08mm (2 rack space) x 19"/482.60mm (rack mounting) x 15.9"/ 88.90mm (deep to rear support ears)", "Weight" : "50.5lbs / 22.91kg" }

Research Materials for the QSC CMX800Va Power Amplifier


We've added technical materials to help with your buying decision. Even if you're technically inclined, you may want to consider talking to our sales techs to make sure this item is the right fit for your particular use.

QSC-CMX800Va Specifications (specs)

QSC-CMX800Va Manual

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