Overview
The Shure BLX188/SM31 Wireless Dual Fitness Headset System combines professional-quality sound with simple setup and and up to 14 hours battery life for great audio performance for two presenters right out of the box. The system includes BLX88 tabletop dual-channel receiver, 2 SM31FH headset microphones with BLX1 bodypack transmitters, lavalier clips, power supply, 2 sets of AA batteries, windscreens and user guide.
Details
SUPERIOR AUDIO - Perform with Confidence
Get the show going with no wires attached. Professional Shure sound for every band and any vocal need.
RELIABLE SIGNAL - Extend your range
With a range of up to 300 feet (100m), you can take the show into the crowd without interruption.
EASY SETUP – Own the stage
BLX will have you up and running in record time with one-touch scan and selection.
BATTERY LIFE – 14 hours of power
Because BLX transmitters get up to 14 hours of power from a single pair of AA batteries, the show can go on and on (and on).
SYSTEMS EXPANSIONS – Run up to 12 channels per frequency band*
You’ll probably need to find a bigger stage before you run out of channels.
*Note: region and environment dependent.
VERSATILITY INCLUDED – You’ve got options
An impressive variety of Shure microphones are available in BLX systems, so you can find what works for you.
Specifications
System
Working Range
91 m (300 ft) Line of Sight
Note: Actual range depends on RF signal absorption, reflection and interference.
Audio Frequency Response
50 to 15,000 Hz
Note: Dependent on microphone type
Total Harmonic Distortion
Ref. ±33 kHz deviation with 1 kHz tone
0.5%, typical
Dynamic Range
100 dB, A-weighted, typical
Operating Temperature
-18°C (0°F) to 57°C (135°F)
Note: Battery characteristics may limit this range.
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.
BLX1
Audio Input Level
| max | -16 dBV maximum |
| min (0 dB) | +10 dBV maximum |
Gain Adjustment Range
26 dB
Input Impedance
1 MΩ
RF Transmitter Output
10 mW, typical
varies by region
Dimensions
4.33 in. X 2.52 in. X 0.83 in. (110 mm X 64 mm X 21 mm) H x W x D
Weight
2.6 oz. (75 g), without batteries
Housing
Molded ABS
Power Requirements
2 LR6 AA batteries, 1.5 V, alkaline
Battery Life
up to 14 hours (alkaline)