Shure Axient AD4DUS Two-Channel Digital Wireless Receiver - C Band

The Shure AD4D-US is a 2-channel wireless receiver housed in a rugged, single-rack unit complete with cable and mounting accessories. Part of the Axient Digital system, it delivers mission-critical signal stability and clear, transparent sound for professional productions that demand flawless execution.

Every feature has been stress-tested to enable seamless, uninterrupted audio in high-profile applications such as televised live performances, award shows and corporate events, the Broadway stage, secure government installations, and state-of-the-art meeting and training facilities.

The AD4D-US operates in a single 166-MHz ultrawide bandwidth that encompasses the entire usable UHF range from 470 to 636 MHz. It offers low 2ms latency, XLR/AES3 + AES67/Dante outputs, and 256-bit encryption. The Dante Cue and Dante Browse features enable high-fidelity headphone monitoring from any connected Dante-enabled device.

In standard mode, Axient Digital supports over 120 simultaneous channels. For high channel counts, HD mode allows up to 47 active transmitters per 6 MHz TV channel. The receiver is compatible with AD1, ADX1, ADX1M, AD2, ADX2, and ADX2FD transmitters.

Features:

• For Major Events, High-End Installations
• 2 x Digital Audio Channels, 1 Rackspace
• 166 MHz Ultrawide Tuning Range
• Expandable to 120+ Channels
• True Digital Diversity Reception
• 4 x Ethernet/Dante Ports
• XLR and AES3 Outputs
• RF Cascade Ports
• Secure AES-256 Encryption

Specifications:

• Number of RF Channel Frequencies: 6640
• Diversity: True Digital Diversity
• RF Frequency Band: C: 750 to 960 MHz
• RF Bandwidth: 166 MHz
• Frequency Step Size: 25 kHz
• RF Channel Scanning: Auto-Scan
• Max Operating Range: 328.1' / 100 m
• Max Transmitters per Band: 120
• Timecode Support: No
• Mobile App Compatible:
  • Yes: Android & iOS
  • App Name: ShurePlus
  • Functionality: Remote Control
• OS Compatibility:
  • Windows
  • macOS
• Latency: 2 to 2.9 ms (Selectable)
• Modulation: Proprietary
• Receiver:
  • Receiver Type: Rackmount
  • Mounting Options: Rackmount (with Included Hardware)
  • Rackmount Size: 1 RU (Full Rack)
  • Antenna: 2 x 1/2 Wave External, BNC (Rear-Mount)
  • Antenna Bias Voltage: 12 to 13 VDC, 150 mA (per Antenna)
  • Number of Audio Channels: 2
  • Audio I/O:
    • 2 x XLR 3-Pin Male Balanced Output
    • 1 x XLR (AES3) 3-Pin Male Balanced Output
    • 2 x 1/4" TRS Female Balanced Output
    • 1 x 1/4" TRS Female Balanced Headphone Output
  • Gain Range: -18 to +42 dB (1 dB Steps)
  • Pad: 30 dB
  • Audio Output Level:
    • XLR Outputs: +18 dBV (Line Level)
    • XLR Outputs: -12 dBV (Mic Level)
    • 1/4" Outputs: +8 dBV
  • Frequency Response: 20 Hz to 20 kHz ±1 dB (Dependent on Mic)
  • Network I/O: 4 x RJ45 (1 Gb/s)
  • Network Protocols: DHCP, Dante, Manual IP
  • Word Clock I/O:
    • 1 x BNC Input
    • 1 x BNC Through
  • Standalone Audio Interface Capable: No
  • Impedance: XLR Outputs: 100 Ohms (Balanced)
  • Approximate RF Sensitivity: -98 dBm
  • Adjacent Channel Isolation: >70 dB
  • Spurious: Rejection: >80 dB
  • Power Requirements: AC Input
  • DC Input Power: 10.9 to 14.8 VDC at 3.3A
  • AC Input Power: 100 to 240 VAC, 50 / 60 Hz at 0.68 A
  • Display & Indicators: 1 x Backlit LCD (AF Level, Battery Status, Channel, Frequency, Menu Navigation, Sync)
  • Housing: Steel
  • Operating Temperature: 0 to 122°F / -18 to 50°C
  • Storage Temperature: -20 to 149°F / -29 to 65°C
  • Dimensions: 19 x 1.7 x 13.1" / 483 x 44 x 333 mm (without Mounting Hardware, Antennas)
  • Weight: 10.1 lb / 4.6 kg (without Antenna)
• Packaging Info:
  • Package Weight: 15.2 lb
  • Box Dimensions (LxWxH): 22.9 x 17.6 x 3"