Shure AD4Q Quad Channel Axient Digital Receiver (B Band/608-810 MHz)


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  • Quad-channel receiver with power and RF accessories included.

    Dual and quad receiver options open the gateway to the full range of features, from high-performance RF and transparent digital audio to software control.


    • Wide tuning range up to 184 MHz
    • True digital diversity reception per channel for drop-out resistance
    • Networked control with Wireless Workbench software and ShurePlus Channels app
    • Optional DC module available to support redundant power
    • Front panel headphone jack enables Dante Cue and Dante Browse monitoring
    • ocking AC connectors
    • 3Configurable Ethernet switch for redundant Dante digital output
    • AES3 output
    • Switchable XLR and AES3 outputs
    • Channel Quality meter displays RF signal-to-noise

    Axient® Digital makes everything perfectly clear.
    Incorporating the most innovative wireless audio technology in the world, Axient Digital was engineered from the ground up for professional productions that demand flawless execution.

    With an unprecedented level of signal stability and audio clarity, plus flexible hardware options, advanced connectivity, and comprehensive control, it’s a wireless system built to take on the challenges of today—and tomorrow.

    One System. Powerful Possibilities.
    Both AD series and ADX series transmitters are compatible with a shared Axient Digital receiver platform. This scalable wireless system includes a groundbreaking micro-bodypack and provides incomparable sound for a wide range of applications and settings.

    Reliability Is In The Air.
    With outstanding signal quality in even the most complex, crowded environments, Axient Digital ensures maximum stability, range, and clarity for uncompromising audio you can trust — anywhere, every time.

    • Next-Gen Digital Radio
      A high-performance modulation scheme provides maximum signal stability.
    • Wide Tuning
      Up to 184 MHz across all receivers and transmitters for broad strategic spectrum coverage.
    • Spectral Efficiency
      A robust High Density mode dramatically increases system channel count.
    • Frequency Diversity
      Two identical signals transmit on independent frequencies, with one taking over automatically should the other degrade.

    The Sound Of Quality.
    Axient Digital defies limitations for both RF and audio quality. With industry-leading low latency, transparent frequency response, and wide dynamic range, Axient Digital lets nothing get in the way of true, pure sound. No matter the setting, you'll hear Shure audio quality you can count on.

    See Through The Noise.
    ShowLink® remote control, Shure Wireless Workbench® software, the ShurePlus™ Channels app, and networked battery monitoring provide unmatched control and insight for seamless performance.

    • ShowLink
      Real-time remote control of ADX transmitter parameters so settings can be changed right from the control booth.
    • Wireless Workbench
      Robust control software with advanced RF spectrum and Timeline plotting, frequency coordination, and live monitoring.
    • ShurePlus Channels
      Convenient mobile monitoring and control for iOS devices.
    • Networked Charging
      Smart batteries and chargers provide remote monitoring of critical parameters.

    Right Sized Receiver Options.
    Dual and quad receiver options open the gateway to the full range of features, from high-performance RF and transparent digital audio to software control. With Quadversity™, the AD4Q can assign four antennas to a single channel for greater coverage and signal quality.

  • Dimensions 44 mm × 483 mm × 333 mm (1.7 in. × 19.0 in. × 13.1 in.), H × W × D
    Weight 4.8 kg (10.6 lbs), without antennas
    Housing Steel; Extruded aluminum
    Power Requirements 100 to 240 V AC, 50–60 Hz; 0.68 A max
    Thermal Dissipation Maximum: 31 W (106 BTU/hr)
    Idle: 21 W (72 BTU/hr)
    Audio Output  
    Gain Adjustment Range –18 to +42 dB in 1 dB steps (plus Mute setting)
    Configuration 1/4" (6.35 mm): Transformer-coupled Balanced (Tip=audio, Ring=no audio, Sleeve=ground)
    XLR: Transformer-coupled Balanced (1=ground, 2=audio +, 3=audio -)
    Impedance Typical, XLR Line out 100Ω
    Full Scale Output
    200 kΩ load
    1/4" (6.35 mm): +8 dBV
    XLR: LINE setting= +18 dBV, MIC setting= –12 dBV
    Mic/Line Switch 30 dB pad
    Phantom Power Protection Yes
    Network Interface 10/100 Mbps, 1 Gbps, Dante Digital Audio
    Network Addressing Capability DHCP or Manual IP address
    Maximum Ethernet Cable Length 100 m (328 ft)
    Cascade output  
    Connector Type BNC
    Note: For connection of one additional receiver in the same band
    Configuration Unbalanced, passive
    Impedance 50 Ω
    Insertion Loss 0 dB, typical
    RF Input  
    Spurious Rejection >80 dB, typical
    Connector Type BNC
    Impedance 50 Ω
    Bias Voltage 12–13.5 V DC, 150 mA maximum, per antenna, switchable on/off
    RF Carrier Frequency Range AD4Q=A: 470–636 MHz
    AD4Q=B: 606–810 MHz
    AD4Q=C: 750–960 MHz
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