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The SLX4/SLX4L receivers bring 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.
SLX4: Wireless Receiver
SLX4L: Wireless Receiver with Logic Output
SLX Wireless Systems feature Shure's patented Audio Reference Companding for crystal-clear sound beyond the limits of conventional wireless technology.
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 O load): –13 dBV
1/4 inch connector (into 3000 O load): –2 dBV
Output Impedance
XLR connector: 200 O
1/4 inch connector: 1kO
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.