Overview
Shure Axient AD4D Two-channel Digital Wireless Receiver, A: 470 to 636 MHz
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.
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.
- 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 iOS app
- Front panel headphone jack enables Dante Cue and Dante Browse monitoring
- Configurable Ethernet switch for redundant Dante or AES67 digital output
- AES3 output
- Channel Quality meter displays RF signal-to-noise
- Locking AC connectors
Specifications / Documents
- Wireless Technology: Digital UHF
- Number of RF Channel Frequencies: 6640
- Diversity: True Digital Diversity
- RF Frequency Band: A:470 to 636 MHz
- RF Bandwidth: 166 MHz
- Frequency Step Size: 25 kHz
- Max Operating Range: 328.1' / 100 m
- Max Transmitters per Band: 120
- 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 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 XLR 3-Pin Male Balanced Output
- 1 XLR (AES3) 3-Pin Male Output
- 2 1/4" TRS Female Balanced Output
- 1 1/4" TRS Female 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 xRJ45 (1 Gb/s)
- Network Protocols: DHCP, Dante, Manual IP
- Word Clock I/O:
- 1 BNC Input
- 1 BNC Through
- Impedance: XLR Outputs:100 Ohms (Balanced)
- Approximate RF Sensitivity: -98 dBm
- Adjacent Channel Isolation: >70 dB
- Spurious Rejection: >80 dB
- Power Requirements: AC Input
- AC Input Power: 100 to 240 VAC, 50 / 60 Hz at 0.68 A
- Display & Indicators: 1 xBacklit 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)
