Description
The BLX24/SM58 Handheld Wireless System is part of the BLX wireless systems family. Shure BLX Wireless Systems combine professional-quality sound with simple setup and an intuitive interface for legendary audio performance right out of the box. Precision-built and available in a variety of configurations, it’s the most accessible way to own the stage.
It includes BLX4 single-channel receiver, BLX2/SM58 handheld transmitter, microphone clip, power supply, 2 AA batteries, and user guide.
BLX4 Single Channel Receiver
This is single channel wireless receiver with microprocessor-controlled internal antenna diversity. The durable BLX4 features simple setup, intuitive controls, and microprocessor-controlled internal antenna diversity. One-touch QuickScan frequency selection quickly locates the best open frequency in case of interference. For use with BLX Wireless Systems.
Features
- XLR and ¼" output connectors
- Two-color audio status indicator LED
- Green: Normal audio levels
- Red: Excessive audio levels (overload / clipping)
BLX2/SM58 Handheld Wireless Microphone Transmitter
The BLX2/SM58 Handheld Wireless Microphone Transmitter works with BLX Wireless Systems. Featuring an integrated SM58 microphone cartridge, the BLX2/SM58 Handheld Wireless Microphone Transmitter delivers wireless audio with professional clarity and reliability.
For performers who wish to unplug from the wire, BLX Wireless Systems feature trusted Shure microphone and world-class design and construction. BLX Wireless Systems are built for legendary sound, right out of the box.
Features
- Works with BLX Wireless Systems
- Offers up to 14 hours of continuous battery life with 2 AA batteries
- Allows for custom handle design at designstudio.shure.com
- Integrated microphone capsule design
- Lightweight, rugged construction
- -10 dB gain attenuation
- Color ID caps (available separately)
Specifications
Overall System Specifications
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 0.5%, typical
Ref. ±33 kHz deviation with 1 kHz tone
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 lowimpedance output) and the tip of the high impedance 1/4-inch output.
BLX4 Single Channel Receiver
Output Impedance
XLR connector 200 Ω
6.35 mm (1/4") connector 50 Ω
Audio Output Level
Ref. ±33 kHz deviation with 1 kHz tone
XLR connector –27 dBV (into 100 kΩ load)
6.35 mm (1/4") connector –13 dBV (into 100 kΩ load)
RF Sensitivity -105 dBm for 12 dB SINAD, typical
Image Rejection >50 dB, typical
Dimensions 40 mm X 188 mm X 103 mm (H x W x D)
Weight 241 g (8.5 oz.)
Housing Molded ABS
Power Requirements 12–15 V DC @ 160 mA, supplied by external power supply (tip positive)
BLX2/SM58 Wireless Microphone Transmitter
Audio Input Level
Gain
- 0dB: -20 dBV maximum
- -10dB: -10 dBV maximum
Gain Adjustment Range 10 dB
RF Transmitter Output 10 mW, typical varies by region
Dimensions 224 mm X 53 mm dia. (8 7/8 X 2 1/8 in.)
Weight 218 g (7.7 oz.) (without batteries)
Housing Molded ABS
Power Requirements 2 LR6 AA batteries, 1.5 V, alkaline
Battery Life up to 14 hours (alkaline)
