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23 May 2025

SHURE SLX4-UK RADIOMIC RECEIVER Diversity, works with all SLX transmitters and MX690/890

Stock code
74-6356
Brand
Shure
Model number
  • SLX4-UK
SHURE SLX4-UK RADIOMIC RECEIVER Diversity, works with all SLX transmitters and MX690/890
SHURE SLX4-UK RADIOMIC RECEIVER Diversity, works with all SLX transmitters and MX690/890

SLX4 Wireless Receiver

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.  Model SLX4L available with logic output for use with software echo cancellation and remote battery life monitoring.  Logic-enabled transmitters include MX690 and MX890.

SLX4:    Wireless Receiver

SLX4L:  Wireless Receiver with Logic Output

Features

SLX Wireless Systems feature Shure's 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
  • Optional logic functionality for software echo cancellation and remote battery life monitoring (SLX4L only)

Specifications

Dimensions

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

Weight

816 g (1 lb. 13 oz.)

Housing

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: (-)

Sensitivity

–105 dBm for 12 dB SINAD, typical

Image Rejection

>70 dB, typical

Power Requirements

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

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.

Logic Connections (SLX4L only)

Pin 1: Logic output, Transmitter Mute Status. Mute=low (0 V). Sinks up to100 mA.

Absolute maximum -0.7 to 5.5V DC
Pin 2: Logic ground
Pin 3: Logic output, Battery Status. Good=low (0 V). Sinks up to 100 mA.

Absolute maximum -0.7 to 5.5V DC

User Guides

SHURE MICROPHONES - Microflex Series - Lavalier, overhead, boundary

Combining sleek, low profile aesthetics and a 'complete selection of microphones and mounting options, Microflex microphones include the highest standard of quality and efficiency' for installed audio applications. All models offer Shure CommShield Technology, which guards against unwanted radio interference from consumer wireless devices such as cell phones and PDA’s.

In addition, condenser cartridges fit every model in the Microflex product line for enhanced convenience and consistent sound. The polar pattern of the cartridge supplied is indicated by the model number suffix: C = Cardioid, S = Supercardioid, O= Omnidirectional, N= No Cartridge Supplied (to purchase separately see R183B, R184B and R185B for black or R183W, R184W and R185W for white capsules).