Features

  • Seamless Q-SYS integration with audio transport and control via standard Gigabit Ethernet protocols and hardware
  • Capable of providing up to 5,000 watts continuous and 8,000 watts peak with 70V or 100V direct drive on each output of the CXD4.3Q and CXD4.5Q, and on bridged output pairs of the CXD4.2Q
  • Flexible Amplifier Summing Technology™ (FAST) permits total amplifier power to be distributed across one, two, three, or all four channels
  • PowerLight universal switch mode power supply with PFC for highest efficiency, improved audio performance, and low weight
  • Mic/Line input Euroblock connectors and touch-proof Euroblock loudspeaker connections
  • Eight bi-directional GPIO connections that can be used for analog or digital inputs or outputs to/from Q-SYS
  • Built-in energy saving modes ensure that the amplifier will draw the minimum amount of AC power while still providing outstanding audio quality
  • Q-SYS technical support is available 24/7 - worldwide
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    Item #: CXD4.2Q

    Description

    2000W Q-SYS Network Amplifier using FAST channel combining technology. 4 Mic/Line input channels, 500 watts/ch at 8Ω, 700 watts/ch at 4Ω, 625 watts/ch at 2Ω, with GPIO and Analog Standalone mode

    Specifications

    The QSC CXD-Q Series represents a revolutionary advancement in amplifier technology

    and innovation, coupled with outstanding

    integration capability as part of a Q-SYS

    system. Designed specifically for the needs of

    integrators, CXD-Q provides efficient, robust

    and extraordinarily high fidelity power to drive

    multiple channels and configurations of

    loudspeakers – all with optimal energy and

    rack space efficiency. The CXD-Q Series

    consists of three powerful, four-channel amplifiers, each a Q-SYS peripheral enabling audio

    routing, processing, and control. Provided

    in the amps is the capability to configure and

    combine channels in various ways to drive a

    wide range of loudspeaker systems including

    70V and 100V without the use of transformers.

    These amplifiers not only provide the power

    and processing make your system perform

    better, they offer outstanding efficiency

    ensuring that energy costs will be kept to a

    minimum over the life of the installation.

    Flexible Amplifier Summing

    CXD-Q amplifiers feature Flexible Amplifier

    Summing Technology™ (FAST) that actively,

    two, three or all four outputs. On the CXD4.3Q

    and CXD4.5Q, this power can also be used to

    drive 70V or 100V speaker lines directly from

    any one or all of the four outputs.

    This flexibility allows CXD-Q Series amplifiers

    to drive (for example) two full-range surface

    mounted speakers along with a subwoofer

    and one 100V distributed speaker line; or a

    high-power subwoofer and a bi-amplified

    full-range loudspeaker; three 70V distributed

    speaker lines and a low impedance surface

    mount speaker line; or a single high-power

    channel driving monster subwoofers.

    Q-SYS Connectivity

    The CXD-Q amplifiers benefit from the

    strength of the Q-SYS platform. They are

    true Q-SYS peripherals meaning that they

    can connect on a Q-LAN Ethernet network

    and source and recieve audio signals. In

    addition to the four Mic/Line input and output

    channels, the CXD-Q amplifiers affer eight

    bi-directional Q-SYS GPIO ports for further

    interfacing with other equipment. It also

    means that when the CXD-Q amps are in a

    Q-SYS design the Q-SYS Core manages the

    system design and amplifiers. If for any

    reason an amplifier goes off-line or has a

    fault, the Core can alert the operator and

    ensure that system retains its integrity.

    Power & Space Efficiency

    CXD-Q Series amplifiers use QSC’s next

    generation class-D power amp design in combination with a custom power stage utilizing a

    new output device. These purpose built MOSFET devices provide high voltage operation

    without needing a full bridge output and offer

    better audio quality and thermal performance

    due to co-location of the semiconductors.

    CXD-Q amplifiers benefit from the proven PowerLight power supply, made even

    better with Power Factor Correction (PFC)

    that aligns the current waveform with the

    AC mains voltage waveform. PFC enables

    CXD-Q Series amps to draw current from the

    wall in a more efficient and controlled manner

    resulting in incredible power from a single

    standard AC breaker.

    The CXD-Q amplifiers also incorporate several energy conservation and efficiency strategies. One such tool is the unique multi-stage

    sleep mode that saves energy when possible

    without sacrificing performance.

    With four channels of Mic/Line input and four

    channels of amplification in just 2RU, the

    CXD-Q amplifiers replaces equipment taking

    up as much as three times the rack-space.

    Integration Simplicity

    Q-SYS is a complete integrated system that

    encompasses everything from the audio input

    to the output of the loudspeakers. As part of

    a Q-SYS system, the CXD-Q amplifiers are

    just some of the many peripherals that can be

    intuitively placed in a design and wired into

    the system. The centralized design maintains

    operational simplicity because not only does it

    allow for a “whole system” design philosophy,

    but the Q-SYS Core configures and manages

    all peripherals to ensure that all elements of

    the system are functioning correctly.

    With the complete integration facilities provided by Q-SYS, and the power efficiency

    provided by the custom MOSFET and FAST,

    the CXD-Q amplifiers are perfect for nearly

    every installation application.

    Features

    • Seamless Q-SYS integration

    with audio transport and

    control via standard Gigabit

    Ethernet protocols and

    hardware

    • Capable of providing up to

    5,000 W continuous and

    8,000 W peak with 70V /

    100V direct drive on the

    CXD4.3Q and CXD4.5Q

    • Flexible Amplifier Summing

    Technology™ (FAST) permits

    total amplifier power to be

    distributed across one, two,

    three or all four channels

    • PowerLight universal

    switchmode power supply

    with PFC for highest effiency,

    improved audio performance,

    and low weight.

    • Mic/Line input Euroblock

    connectors and touch-proof

    Euroblock loudspeaker

    connections.

    • Eight bi-directional GPIO

    connections that can be

    used for analog or digital

    inputs or outputs to/from

    Q-SYS

    • Built-in energy saving modes

    ensure that the amplifier will

    draw the minimum amount of

    AC power while still providing

    outstanding audio quality

    • Q-SYS technical support is

    available 24/7 - worldwide

    CXD-Q Series

    Multi-Channel Network

    Processing Amplifiers

    CXD4.2Q | CXD4.3Q

    | CXD4.5Q

    CXD4.2Q | CXD4.3Q | CXD4.5Q

    CXD-Q Series Specifications

    4 Independent Channels

    A, B, C, D

    2 Channels BTL Bridged

    A+B or C+D

    Doubles Voltage

    2 Channels Parallel

    AB or CD

    Doubles Current

    1 Channel 3CH Parallel

    ABC

    Triples Current

    1 Channel Bridged/Parallel

    AB+CD

    Doubles Current and Voltage

    1 Channel 4CH Parallel

    ABCD

    Quadruples Current

    CXD4.2Q CXD4.3Q CXD4.5Q

    Peak Peak Peak

    70 V N/A 500 W 1000 W

    100 V N/A 625 W 1250 W

    8Ω 500 W 900 W 1200 W

    4Ω 700 W 1400 W 2000 W

    2Ω 625 W 1200 W 1600 W

    8Ω 1200 W 2400 W 4000 W

    4Ω 1500 W NR* NR*

    2Ω NR* NR* NR*

    8Ω 500 W 1300 W 1250 W

    4Ω 950 W 2000 W 2400 W

    2Ω 1200 W 2500 W 4000 W

    8Ω 500 W 1400 W 1400 W

    4Ω 950 W 2400 W 2500 W

    2Ω 1800 W 3500 W 4500 W

    8Ω 1600 W 3500 W 4500 W

    4Ω 2500 W 5000 W 7500 W

    2Ω NR* NR* NR*

    8Ω 500 W 1400 W 1600 W

    4Ω 1000 W 3000 W 3000 W

    2Ω 1700 W 5000 W 5300 W

    NR* = Not Recommended due to excessive current draw

    BOLD = Optimal configuration for the load and channel count

    CXD-Q Series Specifications

    CXD4.2Q CXD4.3Q CXD4.5Q

    Typical Distortion

    8Ω

    4Ω

    0.01 - 0.03%

    0.03 - 0.06%

    0.01 - 0.03%

    0.03 - 0.06%

    0.01 - 0.03%

    0.03 - 0.06%

    Maximum Distortion

    4Ω - 8Ω 1.0% 1.0% 1.0%

    Frequency response (8Ω)

    20 Hz - 15 kHz +/- 0.2 dB

    20 Hz - 20 kHz +0.2 dB / -0.7 dB

    20 Hz - 15 kHz +/- 0.2 dB

    20 Hz - 20 kHz +0.2 dB / -0.7 dB

    20 Hz - 15 kHz +/- 0.2 dB

    20 Hz - 20 kHz +0.2 dB / -0.7 dB

    Noise

    Unweighted Output Unmuted

    Weighted Output Muted

    -101 dB

    -109 dB

    -101 dB

    -109 dB

    -101 dB

    -109 dB

    Gain (1.2V setting) 34.0 dB 38.4 dB 38.4 dB

    Damping factor >150 >150 >150

    Input impedance >10k, balanced or unbalanced >10k, balanced or unbalanced >10k, balanced or unbalanced

    Input Sensitivity

    Continuously Variable: Vrms 1.23mV to 17.35V

    dBu -56 to 27

    dBv -58.2 to 24.8

    Vrms 1.23mV to 17.35V

    dBu -56 to 27

    dBv -58.2 to 24.8

    Vrms 1.23mV to 17.35V

    dBu -56 to 27

    dBv -58.2 to 24.8

    Controls and indicators (front) Power • Channel MUTE Buttons • Channel SELECT Buttons • Channel Input Signal and CLIP LED Indicators

    • Channel Output and LIMIT LED Meters • NEXT, PREV, ID Buttons • Control Knob

    Controls and indicators (rear) AC Power Disconnect

    Input connectors 3-pin Phoenix

    Output connectors 8-pin Phoenix Speaker

    Amplifier and load protection Short circuit, open circuit, thermal, RF protection. On/Off muting, DC fault shutdown, active inrush limiting

    AC Power Input Universal Power Supply 100 - 240 VAC, 50 - 60 Hz

    Dimensions (HWD) 3.5” x 19” x 12”

    (89mm x 482mm x 305mm)

    3.5” x 19” x 16”

    (89mm x 482mm x 406mm)

    3.5” x 19” x 16”

    (89mm x 482mm x 406mm)

    Weight, Net / Shipping 18.5 lb (8.4 kg) / 22 lb (10.0 kg) 21.0 lb (9.5 kg) / 25 lb (11.3 kg) 22.0 lb (10.0 kg) / 26 lb (11.8 kg)

    Agency approvals UL, CE, RoHS/WEEE compliant, FCC Class A (conducted and radiated emissions)

    Carton contents IEC Cable, Quick Start Guide, Phoenix Connectors

    Burst Power- 20 ms 1 kHz sine burst, all channels driven

    Continuous Power- EIA 1 kHz 1% THD, all channels driven

    CXD4.5Q Spec Sheet 09/19/2016

    please recycle

    1675 MacArthur Boulevard • Costa Mesa, CA 92626 • Ph: 800/854-4079 or 714/957-7100 • Fax: 714/754-6174

    © 2016 QSC, LLC all rights reserved. QSC, Q-SYS and the QSC logo are registered trademarks of QSC, LLC in the U.S. Patent and Trademark office and other

    countries. All other trademarks are the property of their respective owners. Patents may apply or be pending.