Unleash pristine sound and reliable performance with the Shure SLXD14/UL4B Wireless Bodypack System with UL4B Lavalier Microphone. This versatile system is ideal for presentations, lectures, live performances, and more.

Upgrade your sound with the Shure SLXD14/UL4B Wireless System. It's the perfect choice for anyone who demands clear, dependable audio for their presentations, performances, or other events.

Key Features

• Studio-Quality Audio: Enjoy transparent 24-bit digital audio that captures every detail, from rich lows to crisp highs. (frequency range depends on microphone)
  
• Rock-Solid Connection: Never worry about dropouts or interference. The system boasts digital predictive switching diversity for exceptional signal stability.
  
• Long-Range Performance: Operate with confidence up to 300 feet away, thanks to the impressive 100-meter operating range.
  
• Multiple Systems, Seamless Setup: Use up to 32 compatible systems per frequency band for large-scale events. Easy pairing and automatic frequency selection streamline setup.
  
• Extended Battery Life: Enjoy up to 8 hours of operation on 2 AA batteries. Upgrade to the optional Shure SB903 rechargeable battery for even greater convenience and detailed battery health monitoring.

Technical Specifications

Included
1 Single channel receiver
1 Bodypack transmitter
1 Lavalier microphone
2 AA batteries
2 1/4 wave antennas
2 Bulkhead adapters
2 22" BNC cables
1 Power supply
1 Black vinyl zippered bag
1 Rack mount bracket (short)
1 Rack mount bracket (long)
1 Linking plate
1 Hardware kit
1 Quick start guide
1 Warranty
4 Adhesive foot

SLXD1
Battery Type
Rechargeable Li-Ion or 1.5 V AA batteries
Dimensions
98 x 68 x 25.5 mm (3.86 x 2.68 x 1 in.), H x W x D
Weight
89 g
Housing
PC/ABS
Connector
4-Pin male mini connector (TA4M)
Impedance
1 MΩ
Maximum Input Level
8.2 dBV (2.57 Vrms, 7.27 Vpp)
Preamplifier Equivalent Input Noise (EIN)
-118 dBV
Antenna Type
1/4 wave
Occupied Bandwidth
<200 kHz
Modulation Type
Shure proprietary digital
Power
1 mW or 10 mW

SLXD4
Dimensions
SLXD4: 42 x 197 x 152 mm (1.65 x 7.76 x 5.98 in.), H x W x D
Weight
SLXD4: 816 g, without antennas
Housing
Galvanized Steel
Power Requirements
15 V DC @ 600 mA, supplied by external power supply (tip positive)
Spurious Rejection
>75 dB, typical
Connector Type
BNC
Impedance
50 Ω
Phantom Power Protection
1/4" (6.35 mm): Yes
XLR: Yes
Audio Frequency Response
20 Hz– 20 kHz (+1, -2 dB)
Gain Adjustment Range
-18 to +42 dB in 1 dB steps
Configuration
1/4" (6.35 mm): Balanced (Tip = audio +, Ring = audio -, Sleeve = ground )
XLR: Balanced (1=ground, 2=audio +, 3=audio −)
Impedance
1/4" (6.35 mm): 1.3 kΩ (670 Ω Unbalanced)
XLR (line): 400 Ω (200 Ω Unbalanced)
XLR (mic): 150 Ω
Full Scale Output
1/4" (6.35 mm): +15 dBV differentially (+9 dBV single)
XLR: LINE setting= +15 dBV, MIC setting= -15 dBV
Mic/Line Switch
30 dB pad
Network Interface
Single Port Ethernet 10/100 Mbps
Network Addressing Capability
DHCP or Manual IP address
Maximum Cable Length
100 m (328 ft)

UL4
Microphone Capsule
MEMS
Polar Pattern
Cardioid
Frequency Response
40 Hz to 20 kHz
Sensitivity
MTQG: -42 dBV/Pa
Self-Noise, A-Weighted, Equivalent Acoustical
MTQG: 32 dB SPL-A
Signal-To-Noise Ratio
MTQG: 62 dB-A
Maximum SPL
130 dB SPL,1 kHz at 1% THD, typical
Dynamic Range
98 dB typical
Microphone Current Draw
530 µA, maximum
Bias Voltage
Recommended Operating Voltage
3.5-5 V DC minimum, 5.5 V DC maximum
Housing
Molded ABS
Polarity
MTQG: Positive pressure on diaphragm produces positive voltage on pin 3 with respect to pin 1
Cable Diameter
1.6 mm
Cable Length
66 in. (1.67 m)
Net Weight
12.5 g (0.44 oz.)