Shure AD4D Wireless Mic

Axient Digital offers dual and quad receiver options that open the door to a full range of features, from high-performance RF to transparent digital audio. The AD4D Two-Channel Digital Receiver sets a new standard in spectral efficiency. Groundbreaking performance features include wide tuning, low latency, and High Density (HD) mode, ensuring solid performance in the most challenging RF environments. Networked control and signal routing options bring a new level of management and flexibility to your entire workflow.

What's Included:
• AD4D
• Power cable
• User guide

Main Features:
• 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 digital output
• AES3 output
• Channel Quality meter displays RF signal-to-noise
• Locking AC connectors
• Optional DC module available to support redundant power

Specification:
• RF Carrier Frequency Range: 470–960 MHz, varies by region (See Frequency Range and Output Power table)
• Working Range: 100 m (330 ft) Note: Actual range depends on RF signal absorption, reflection and interference.
• RF Tuning Step Size: 25 kHz, varies by region
• Image Rejection: >70 dB, typical
• RF Sensitivity: −98 dBm at 10-5 BER
Latency Analog Output:
 • STD: 2.08 ms
 • HD: 2.96 ms
Audio Frequency Response:
 • AD1: 20 – 20 kHz (±1 dB)
 • AD2: Note: Dependent on microphone type
Signal-to-Noise Ratio(Dynamic Range):
 • XLR Line Output: 120 dB A-Weighted, 117 dB Unweighted
 • Digital (AES3/Dante), 130 dBA-Weighted, 126 dB Unweighted
• Total Harmonic Distortion: -6 dBFS, 1 kHz, System Gain @ +10 <0.01%
• System Audio Polarity: Positive pressure on microphone diaphragm produces positive voltage on pin 2 (with respect to pin 3 of XLR output) and the tip of the 6.35 mm (1/4-inch) output.
• Operating Temperature Range -18°C (0°F) to 50°C (122°F) Note: Battery characteristics may limit this range.
• Storage Temperature Range -29°C (-20°F) to 65°C (149°F)
Audio Output:
 • Gain Adjustment Range: −18 to +42 dB in 1 dB steps (plus Mute setting)
Configuration:
 • XLR: Transformer Coupled Balanced (1=ground, 2=audio +, 3=audio −)
 • TRS: Transformer Coupled Balanced (Tip = Audio +, Ring = Audio -, Sleeve = Ground)
• Impedance: 100 Ω, Typical, XLR Line Out
Full Scale Output (200K Ωload):
 • LINE setting: +18  dBV
 • MIC setting: −12  dBV
 • TRS: +8  dBV
• Mic/Line Switch: 30 dB pad
• Phantom Power Protection: Yes
• Dimensions: 44 x 483 x 333 mm H x W x D
• Weight: 4.6 kg (10.1 lbs), without antennas
• Housing: Steel; Extruded aluminum
• Power Requirements: 100 to 240 V AC, 50-60 Hz, 0.55 A max.
Thermal Power Dissipation:
 • Maximum: 23 W (78 BTU/hr)
 • Idle 15 W (51 BTU/hr)
• DC Power Requirements: 10.5 to 32V DC4 A max.
• Network Interface: 10/100 Mbps, 1Gbps, Dante Digital Audio
• Network Addressing Capability: DHCP or Manual IP address
• Maximum 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 to 13.5 V DC, 150 mA maximum, per antenna switchable on-off
RF Carrier Frequency Rangemodel dependent:
 • AD4D=A: 470–636 MHz
 • AD4D=B: 606–810 MHz
 • AD4D=C: 750–960 MHz