QSC CX302 Two-Channel 200W at 8 Ohm Power Amplifier


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Dale #:QSC-CX302

Availability: In Stock

Available for immediate shipment and pick-up from our Jamaica, New York location. In-store pick-up is available Monday through Friday from 8:30 am to 5:30 pm
Free Shipping (Continental US)
  • The CX 2-Channel Series is designed to meet the specialized needs of sound contractors. Designed from the ground up, combining QSC's exclusive PowerLight technology with specific features to meet the requirements of fixed installations. With high output power, versatile loading options, high thermal capacity and reliability, the CX Series is the ideal solution to any permanently installed sound system.

    Now incorporating QSC's exclusive PowerLight technology. The CX302 is 325 watts (4 Ohms 20 Hz -20 kHz, 0.05% THD) per channel for distributed audio systems.

    The new CX amplifiers are equipped with many contractor specific features including 1 dB detented gain controls for easily repeatable settings and a custom security cover for tamper-proof installations. Active inrush limiting eliminates AC inrush current, cutting the need for power sequencers. CX amplifiers also include an HD15 Data Port connector to interface with QSControl, QSC's computer-controlled audio system, that allows remote amplifier monitoring and control via a standard Ethernet network.


    • Exclusive PowerLight switch-mode power supply technology for high performance and compact size
    • Custom integrated security cover for tamper proof installations
    • Variable speed fan for low noise
    • 1 dB detented gain controls for fast and accurate gain settings
    • Active inrush limiting eliminates AC inrush current, removing the need for expensive power sequencers
    • XLR and detachable Euro style input connectors
    • HD15 DataPort connector for QSControl computer control or signal processing accessories
    • Dip switch control for clip limiters, high pass filters, bridge mono and parallel operation
    • Selectable high pass filters protect speakers and prevent speaker transformer saturation with minimal effect on program material (33 Hz or 75 Hz)
    • Comprehensive front panel indicators including signal, clip, protect and QSC's exclusive bridge mono and parallel input LEDs
    • Barrier strip output connector
    • Comprehensive protection circuitry including DC, infrasonic, thermal overload and short circuit protection
    • Optional external transformer accessory pack for isolated 70 and 100 -volt outputs (converts CX302 to 400 watts per channel isolated output)
    • Compact size - only 2 rack units high and 14" deep for reduced rack cost and floor space
    • Light weight - all models weigh only 21 pounds (9.5 kg) for easier racking and shipping
    • 3-year warranty plus optional 3-year extended service contract
    • All CX Series amplifiers meet the European Union's, 2006 RoHS directive to restrict the use of hazardous materials used in electronic devices.
      STEREO MODE, Both Channels Driven
    8 ohms, 20 Hz-20 kHz, 0.05% THD200 W
    4 ohms, 20 Hz-20 kHz, 0.05% THD325 W
    2 ohms, 1 kHz, 1% THD600 W
    70V, 20 Hz-20 kHz, 0.05% THD400 W
    (with IT-42*)
    70V, 1 kHz, 0.05% THD-
    70V, 1 kHz, 1% THD-
    16 ohms, 20 Hz-20 kHz, 0.1% THD400 W
    8 ohms, 20 Hz-20 kHz, 0.1% THD700 W
    4 ohms, 1 kHz, 1% THD 1200 W
    140V, 20 Hz-20 kHz, 0.05% THD-
    140V, 1 kHz, 0.05% THD-
    140V, 1 kHz, 1% THD-
    Noise, 20 Hz-20 kHz>-107 dB
    Input Sensitivity @ 8 ohms1.26 Vrms
    Voltage Gain @ 8 ohms
    30 dB
    Output CircuitryAB+B
    Distortion (SMPTE-IM)Less than 0.02%
    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 Response20 Hz-20 kHz, +/- 0.2 dB
    Damping FactorGreater than 500
    Input Impedance6k ohms unbalanced, 12k ohms balanced
    Input Clipping10 Vrms (+22 dB)
    CoolingVariable-speed fan, rear-to-front air flow
    Connectors, each channel

    Input: 3-pin XLR & 3-pin detachable terminal blocks (1 each per channel)
    Output: Safety-shrouded barrier strip
    Amplifier ProtectionFull short circuit, open circuit, thermal, ultrasonic, and RF protection.
    Stable into reactive or mismatched loads.
    Load ProtectionOn/Off muting, DC-fault power supply shutdown

    19" (48.3 cm) wide, 3.5" (8.9 cm) tall (2 RU),
    14" (35.6 cm) deep (from front mounting rails)
    Weight21 lbs (9.5 kg) net
    27 lbs (12.3 kg) shipping
    * An isolation transformer (the IT-42) is available for the CX302, which converts its low-impedance outputs to isolated 400 W per channel constant-voltage outputs.
    Idle current
    (no audio program material)
    1/8 Power pink noise
    (typical of program material at maximum unclipped or rarely clipping power)
    8 ohms
    4 ohms
    2 ohms
    70 volts
    1/3 Power pink noise
    (typical of program material with severe clipping)
    8 ohms
    4 ohms
    2 ohms
    70 volts
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