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Shure SLX4 Wireless Receiver (Freq: J3)

Model: SLX4-J3

Shure SLX4 Wireless Receiver (Freq: J3)
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About: Shure SLX4 Wireless Receiver (Freq: J3)

The SLX4 receiver brings unprecedented ease of use to wireless with Automatic Frequency Selection and Automatic Transmitter Setup. With included rack hardware and detachable antennas, it is ready for immediate installation right out of the box.  


SLX Wireless Systems feature the patented Audio Reference Companding for crystal-clear sound beyond the limits of conventional wireless technology.

  • Automatic Frequency Selection
  • Automatic Transmitter Setup
  • 960 Selectable frequencies across 24 MHz bandwidth
  • Detachable 1/4 wave antennas
  • Microprocessor-controlled diversity
  • RF presence LED
  • 5-segment audio meter
  • Multi-function, backlit LCD
  • Low battery indicator
  • Frequency and power lockout
  • Rugged metal chassis
  • Volume control on rear of unit
  • 1/2 rack design
  • Furnished rack hardware
  • Non-slip bumpers for use out of rack
  • XLR and 1/4" outputs




42 mm H x 197 mm W x 134 mm D (1.65 x 7.76 x 5.28 in.)



816 g (1 lb. 13 oz.)



Galvanized steel


Audio Output Level (ref. +/– 38 kHz deviation with 1 kHz tone)  

XLR connector (into 600 Ω load): –13 dBV

1/4 inch connector (into 3000 Ω load): –2 dBV


Output Impedance  

XLR connector: 200 Ω

1/4 inch connector: 1kΩ


XLR output  

Impedance balanced

Pin 1: Ground

Pin 2: (+)

Pin 3: (-)



–105 dBm for 12 dB SINAD, typical


Image Rejection  

>70 dB, typical


Power Requirements  

12–18 Vdc at 150 mA, supplied by external power suppl


Operating Range Under Typical Conditions

100m (300 ft.)


Note: Actual range depends on RF signal absorption, reflection, and interference

Audio Frequency Response (+/– 2 dB)  

Minimum: 45 Hz

Maximum: 15 kHz


Note: Overall system frequency depends on microphone element.

Total Harmonic Distortion (ref. +/– 38 kHz deviation, 1 kHz tone)  

0.5%, typical


Dynamic Range  

>100 dB A-weighted


Operating Temperature Range

–18°C (0°F) to +50°C (+122°F)


Note: battery characteristics may limit this range

Transmitter Audio Polarity  

Positive pressure on microphone diaphragm (or positive voltage applied to tip of WA302 phone plug) produces positive voltage on pin 2 (with respect to pin 3 of low impedance output) and the tip of the high impedance 1/4-inch output.

UPC: 042406121606

Reviews: Shure SLX4 Wireless Receiver (Freq: J3)

There are currently no product reviews.

Warranty: Shure SLX4 Wireless Receiver (Freq: J3) Warranty:

30 Days

Manufacturer's Warranty:

2-year limited

Rechargeable batteries: 1-year limited

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