SHURE / SLX-D+ Single Receiver, JB Band

The SLX-D+ is a high-performance wireless system that adapts to any environment with versatile configurations and enables hands-free management. (Available March 2026)

Professional-Trusted Quality for Everyone

Delivers clear 24-bit digital audio with a dynamic range exceeding 118 dB

Automatic setup — once linked, the SLX-D+ receiver and transmitter maintain their connection even in the presence of RF interference

ShowLink® Ease enables wireless remote adjustment of transmitter parameters directly from the linked receiver

Adjustable parameters include:

Changing the transmitter frequency when an available frequency is detected

Output level adjustment

Transmitter lock and unlock

Transmitter firmware updates

RF status monitoring and parameter control via Wireless Workbench® or the WWB Mobile app
(WWB Mobile supports operation via Wi-Fi or Bluetooth)

All SLX-D+ receivers feature Shure’s patented Digital Feedback Reducer (DFR), which automatically reduces unwanted feedback should it occur

AES-256 encryption is standard across all SLX-D+ components and systems, providing secure operation

Powered by two AA batteries (included) or optional Shure SB903 rechargeable lithium-ion battery and charging accessories for maximum operating time

Product Overview

The SLXD4+ half-rack single-channel receiver introduces a new hands-free workflow for monitoring and management, designed for experienced production staff and professional engineers.
It delivers outstanding wireless performance in any application.

Wide-tuning SLXD+ transmitters and receivers remain continuously synchronized via the dedicated ShowLink® Ease control link. The system manages interference, scans for new channels, and automatically optimizes settings for clear transmission.
Monitoring and configuration from paired mobile devices are also supported.

Specifications

Operating Range: 100 m
(Note: Actual range depends on RF signal absorption, reflection, and interference)

RF Tuning Step Size: JB Band: 125 kHz

Image Rejection: >85 dB (typical)

RF Sensitivity: –97 dBm at 10⁻⁵ BER

Latency: 2.8 ms

High-Pass / Low-Cut Filter: 160 Hz, 12 dB/octave
(Note: HPF is off by default at factory settings)

Frequency Response: 20 Hz – 20 kHz (+1, –2 dB)

Automatic Dynamic Range (A-weighted, 20 Hz – 20 kHz, typical): 118 dB at 1% THD

THD (Total Harmonic Distortion): <0.02%

System Audio Polarity:
Positive pressure on the microphone diaphragm produces a positive voltage on pin 2 relative to pin 3 of the XLR output, and on the tip of the TRS output.
For TRS: positive pressure produces a positive voltage on the 6.35 mm (1/4") tip relative to the ring terminal.

Mic Offset Range: 0 to 21 dB (3 dB steps)

Operating Temperature Range: –18 °C to 50 °C (0 °F to 122 °F)

Storage Temperature Range: –29 °C to 74 °C (–20 °F to 165 °F)

Physical Characteristics

Dimensions (H × W × D): 42 × 197 × 152 mm (1.65 × 7.76 × 5.98 in)

Weight: 900 g (2 lb), excluding antennas

Housing: Zinc-plated steel

Power & RF

Power Requirements: 15 V DC (360 mA), external power supply (center-positive)

Spurious Rejection: >75 dB (typical)

Connector Type: BNC

Impedance: 50 Ω

Gain Adjustment Range: –18 to +42 dB (1 dB steps)

Audio Output

Configuration:

1/4" (6.35 mm) balanced:
Tip = Audio +, Ring = Audio –, Sleeve = Ground

XLR balanced:
Pin 1 = Ground, Pin 2 = Audio +, Pin 3 = Audio –

Impedance:

1/4" (6.35 mm): 1.1 kΩ (550 Ω unbalanced)

XLR (line): 500 Ω (250 Ω unbalanced)

XLR (mic): 150 Ω

Full-Scale Output:

1/4" (6.35 mm): +18 dBV (balanced), +12 dBV (unbalanced)

XLR (line): + dBV

XLR (mic): –12 dBV

Mic/Line Switch: 30 dB pad

Phantom Power Protection:

1/4" (6.35 mm): Yes

Networking

Network Interface: Single Ethernet port (10/100 Mbps)

Network Addressing: DHCP or manual IP address

Maximum Cable Length: Less than 100 m (328 ft)

Included Accessories & Warranty

Included Items:

SLXD4+ digital wireless receiver ×1

1/4-wave antennas ×2

Rack mount kit ×1

BNC cables ×2

BNC adapter connectors ×2

Power adapter ×1

Country of Manufacture: China

Warranty: 2 years