Shure AD4QNP=-B 4-Channel Digital Wireless Receiver for AD / ADX Transmitters - B Band - 606-810 MegaHertz
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 AD4Q Four-Channel Digital Receiver sets a new standard in spectral efficiency. Groundbreaking performance features include wide tuning, low latency, High Density (HD) mode, and Quadversity, ensuring solid performance in the most challenging RF environments. Networked control, AES3 + AES67 + Dante output, and signal routing options bring a new level of management and flexibility to the entire workflow.
Features:
- • Wide tuning range up to 184MHz for seamless operation
- • True digital naversity reception per channel for reliable drop-out resistance
- • Networked control with Wireless Workbench and ShurePlus Channels app for easy management
- • Quadversity mode for extended antenna coverage and improved RF signal-to-noise
- • Front panel headphone jack enables Dante Cue and Dante Browse monitoring
- • Configurable Ethernet switch for redundant Dante digital output
- • Switchable XLR/AES3 outputs for versatile connectivity
- • Channel Quality meter displays RF signal-to-noise for easy monitoring
- • Locking AC connectors for secure power connection
- • Optional DC module available to support redundant power
Specifications:
- • Working Range: 100 m (330 ft)
- • 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:
- • Audio Frequency Response:
- AD1: 20 - 20 kHz (±1 dB)
- AD2: Note: Dependent on microphone type
- • Signal-to-Noise Ratio (Dynamic Range): typical, 20 Hz to 20 kHz, receiver gain setting = -12 dB
- XLR Line Output: A-Weighted: 120 dB / Unweighted: 117 dB
- Digital (AES3/Dante): A-Weighted: 130 dB / Unweighted: 126 dB
- • 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)
- • 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 Ω load):
- 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: 4.8 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 Power Dissipation:
- Maximum: 31 W (106 BTU/hr)
- Idle: 21 W (72 BTU/hr)
- DC Power Requirements: 10.5 to 32V DC, 4.0 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 Range model dependent: AD4Q=B: 606-810 MHz



This Shure AD4QNP=-B 4-Channel Digital Wireless Receiver is perfect for professional audio setups. It's designed for sound engineers, musicians, and event organizers who need high-quality wireless audio. With a working range of 100 m (330 ft), it's great for live performances, recording studios, and more. Its dimensions are 44 x 483 x 333 mm H x W x D and it weighs 4.8 kg (10.6 lbs) without antennas. It offers wide tuning, low latency, and networked control for seamless operation.