Shure AXT400 Dual Channel Wireless Receiver (470 - 698 MHz)

 

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  • Featuring the most advanced analog and digital audio technology and featuring up to 228 MHz of wideband tuning, the AXT400 Dual Channel Receiver delivers unrivaled RF and audio performance. Its suite of groundbreaking functionalities optimize setup efficiencies and live performance control and reliability. Innovative new features include ShowLink Remote Control, for real-time wireless transmitter adjustments, Frequency Diversity for seamless dual-frequency switching, and Interference Detection & Avoidance, providing the highest assurance of flawless performance even in congested RF environments and increasingly limited white space availability. Advanced digital connections include dual Ethernet ports for networked control and monitoring via Shure Wireless Workbench 6 software, as well as AES3 outputs and word clock for digital consoles.

    Features

    Electronics

    • Unparalleled audio quality by combining the most advanced analog and digital audio technology to deliver low system noise, flat frequency response and the widest available dynamic range.
    • World-class RF performance with extremely wide RF dynamic range and precision selectivity.
    • Wideband tuning
      • Expansive tuning bandwidth of up to 228 MHz equal to 4 transmitter bands.
      • Simplifies receiver inventories a single receiver covers the entire US TV band.
    • Interference Detection & Avoidance automatically detects interference and moves signal to a clear, compatible channel in a fraction of a second.
    • Frequency Diversity mode
      • Ensures seamless, uninterrupted audio for mission-critical transmitters in extreme RF settings.
      • Receives audio from a single source on 2 independent frequencies.
      • Uses signal from both frequencies to provide optimized audio on a single channel.
    • UHF-R compatibility ensures support for all features and functionality of UHF-R transmitters.

    Connectivity

    • RF signal cascade connects up to 5 receivers using 1 RF signal source.
    • 2 Ethernet ports allow convenient computer and ShowLink Access Point connection.
    • IEC in/out power ports enable daisy-chaining of AC power.
    • AES3 digital audio output can be used simultaneously with XLR and 1/4" analog audio outputs.

    ShowLink Remote Control

    • Comprehensive real-time remote control of all transmitter parameters.
      • Remote gain adjustability: Remotely adjust a performer's transmitter gain in real time.
      • Remote frequency change: Execute a synchronized frequency change with a linked receiver in a split second.
      • Remote RF Mute: Conserves power and RF spectrum.

    The Axient Wireless Management Network from Shure establishes a dramatic new threshold of control, convenience and confidence in RF transmission, reception and spectrum management for mission-critical audio applications.

    Axient features new-to-the-world technologies that drive a range of innovative wireless audio system capabilities. Individually compelling, these features collectively represent forward-thinking innovation by Shure, and realize the most complete vision yet for the integration of RF management and control solutions in a single wireless platform.

    Features

    ShowLink Remote Control

    • Enables real-time remote adjustments of all transmitter parameters using a wireless network connection between linked Axient transmitters and receivers. Whether performers are on stage in the middle of a show, or off stage waiting for their cue, ShowLink lets engineers make crucial changes to their transmitter settings - without ever  leaving the control booth.
    • Remote frequency changes, gain adjustments, RF mute enabling, RF output power adjustments, and more are all possible over the ShowLink network. Simply add a ShowLink Access Point to any Axient network and instantaneous wireless transmitter control is realized over a wide coverage area for up to 16 transmitters. Additional Access Points can be used to extend coverage area and increase the number of supported channels. Real-time wireless remote control, now possible with ShowLink. Only from Shure.

    Spectrum Management

    • The Axient Spectrum Manager offers precision wideband scanning and on-board compatible frequency calculation, as well as backup frequency monitoring, ranking and deployment - all on demand. The Spectrum Manager not only captures a detailed scan of your venue and displays it graphically, it can also listen in on a particular signal or store the data from a site survey to be used later.
    • Together with Shure Wireless Workbench 6 software, Axient Spectrum Management tools open up a rich graphical interface for viewing the RF world and choosing the optimal frequencies for all wireless channels on a production.

    Frequency Diversity

    • Unparalleled in wireless microphone technology, Frequency Diversity enables audio transmission from a single source on two independent radio frequencies, providing the best possible protection against interference for the most important performances. With Frequency Diversity mode enabled, the Axient Receiver continuously analyzes signal quality and uses both frequencies to provide optimized audio on a single channel.
    • With two independent RF signals transmitting the same audio, the presence of direct RF interference on one frequency causes zero interruption. Instead of producing annoying dropouts or audio artifacts, the receiver seamlessly and automatically switches to the other frequency, delivering clean, uninterrupted audio.

    Interference Detection & Avoidance

    • Interference can come from anywhere - other wireless microphones, intercoms, digital devices - wreaking havoc with the frequencies selected to make the show happen. Axient receivers are equipped with sensitive interference detection circuitry that alerts users when a signal is compromised.
    • In the event of signal degradation, Axient Interference Avoidance technology enables engineers to move to a clean, compatible frequency  - manually or automatically. Respond to an alert by either manually selecting a new frequency, or, when used in conjunction with the Axient Spectrum Manager, back-up frequencies are constantly monitored, ranked, and deployed automatically the instant interference is detected.
    • Interference Detection and Avoidance delivers the confidence of knowing that no matter what happens, interference will not ruin the show. Only Axient can provide such an incredible level of control and flexibility.

    Power Management

    • Axient Power Management provides a comprehensive suite of smart, high performance batteries and chargers, with detailed visibility of critical battery parameters.
      • View remaining battery power accurate to within 15 minutes on transmitters, receivers and WWB6
      • Monitor percentage of capacity and time to full charge, visible on the Rack Mount Charging Station and WWB6
      • Track battery health using charging cycle count and percentage of original capacity
    • Axient batteries seamlessly and securely lock into the transmitter body. Advanced battery chemistry provides up to 9.5 hours of run-time with zero-memory effect. Batteries can be charged to 50% capacity in one hour and to full capacity in three hours.
    • Charging options start with the Rack Mount Charging Station, which offers touring-ready battery storage and charging solution with comprehensive status display. Configurable for up to 8 bodypack or handheld batteries, it provides easy metering of all battery status parameters on the front panel display, and is fully networkable for monitoring of all charging status parameters via WWB6. Portable chargers are a compact alternative that allows convenient charging anytime, anywhere.

    Wireless Workbench 6

    • Shure Wireless Workbench 6 software is the most comprehensive wireless system control available. It provides a rich interface to manage every facet of a performance over the network, from pre-show planning to live performance monitoring.
    • Before the show, Wireless Workbench 6 utilizes saved scan files to provide detail about the RF environment from off-site, and also includes a database of TV channels based on location to help with the planning process. When connected to the Axient Spectrum Manager, Wireless Workbench performs live RF scans and analysis, with detailed graphic overlays and device markers on a high-resolution frequency plot.
    • Comprehensive frequency coordination uses the scan data, TV channel database, and advanced compatibility algorithms to create and assign a list of clean, viable frequencies for any number of channels in a system, plus backup frequency management.
    • During the show, Wireless Workbench 6 enables live remote adjustments to networked hardware for instant changes to frequency, gain, RF output power, and more. Customize controls in a familiar channel strip interface to show audio and RF meters, battery life, and volume control for each channel of a wireless system. Configurable user alerts provide quick response options through the software to solve interference issues when detected, or for battery life and RF signal strength conditions.
    • Delivering the ability to coordinate, monitor, and control the most complex wireless systems all from a laptop computer, Wireless Workbench 6 truly unleashes the full power of Axient.
  • RF Carrier Frequency Range 470–952 MHz
    Note: varies by region
    Working Range Under typical conditions: 150 m (500 ft)
    Line of Sight, outdoors for a single system: 500 m (1600 ft)
    Note: Actual range depends on RF signal absorption, reflection and interference.
    Audio Frequency Response 40 – 18 kHz (+1, -3 dB)
    Note: Dependent on microphone type
    RF Tuning Step Size 25 kHz
    Modulation 45 kHz max. deviation FM, Audio Reference Companding with pre- and de-emphasis
    Dynamic Range XLR Output: >118 dB, A-weighted
    AES3 Output: >130 dB, A-weighted
    Image Rejection >120 dB, typical
    RF Sensitivity -110 dBm for 12 dB SINAD, typical
    Spurious Rejection >110 dB, typical
    Ultimate Quieting >110 dB, A-Weighted
    Squelch Quieting >115 dB, A-Weighted
    Latency <1 ms
    Total Harmonic Distortion 45 kHz max. deviation <0.3%, A-weighted, typical
    System Audio Polarity Positive pressure on microphone diaphragm (or positive voltage applied to tip of WA302 phone plug) produces positive voltage on pin 2 (with respect to pin 3 of low-impedance output) and the tip of the high impedance 1/4-inch output.
    Gain Adjustment Range 0 to -30 dB (in 1 dB steps), plus Mute setting
    Dimensions 44 mm x 483 mm x 366 mm (1.7 in. x 19.0 in. x 14.4 in.), H x W x D
    Weight 5.5 kg (12.0 lbs)
    Housing Steel; Extruded aluminum
    Power Requirements 100 to 240 V AC, 50-60 Hz
    Current Drain 1.1 A RMS (referenced at 120 V AC)
    Operating Temperature Range -18°C (0°F) to 63°C (145°F)
    Storage Temperature Range -29°C (-20°F) to 74°C (165°F)
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