Shure
Shure BLX24R/B58-J11 Wireless BETA 58A Mic System
Wireless BETA 58A vocal clarity with 300-foot range and rack-mount reliability for demanding live stages and houses of worship
$539.00*
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Overview
Key Features
J11 (596–620 MHz) UHF FREQUENCY BAND: Operates on the J11 (596–620 MHz) UHF frequency band for dependable wireless audio transmission in regions where this spectrum is authorized. Verify local compliance before ordering.
PROFESSIONAL RANGE & ALL-DAY POWER: Provides reliable audio transmission up to approximately 300 ft (100 m) line-of-sight. The BLX2 handheld transmitter operates up to 14 hours using two AA batteries under typical conditions.
COMPLETE RACK-MOUNT AUDIO SETUP: Includes BLX4R half-rack receiver, BLX2 handheld transmitter with Beta 58A capsule, microphone clip, rackmount hardware kit, power supply, 2 AA batteries, antennas, and user guide.
BETA 58A SUPERIOR VOCAL PERFORMANCE: The Beta 58A dynamic mic capsule features a supercardioid pickup pattern engineered to capture clear vocals while helping isolate stage noise in live performance environments.
SHURE ENGINEERED RELIABILITY: Built with Shure’s trusted UHF wireless design and QuickScan for easy setup, supporting up to 12 compatible systems per band for stable, dependable performance.
Specifications
System Type
Wireless Microphone System
Microphone Capsule
BETA 58A Supercardioid Dynamic
Receiver Type
Single-Channel Rack Mount
Frequency Band
J11 (UHF)
Operating Range
Up to 300 ft (100 m)
Battery Life
Up to 14 hours (2x AA)
Audio Sensitivity
58 dB
Max Simultaneous Channels
12 per frequency band
Receiver Output
Balanced XLR
Brand
Shure
Model
BLX24R/B58-J11
Frequently Asked Questions
How does the BETA 58A capsule in this wireless system compare sonically to the wired version?
The supercardioid BETA 58A capsule is identical to the wired model, delivering the same bright, present midrange and tight off-axis rejection. The wireless transmission in the BLX system is designed to preserve that frequency response without coloring the signal.
Can I run multiple BLX24R systems simultaneously for a full band?
Yes — the BLX platform supports up to 12 compatible channels per frequency band. The rack-mount receiver includes frequency scan to find clean channels automatically, making multi-system deployment straightforward in dense RF environments.
What phantom power or external power does the handheld transmitter require?
The handheld transmitter runs on two standard AA batteries with up to 14 hours of life. No phantom power is involved — the BETA 58A capsule in wireless form is powered entirely by the transmitter's battery supply.
Does the J11 frequency band require licensing, and how do I verify it works in my area?
The J11 band operates in the UHF range and is license-free in most US regions. Shure provides a Wireless Frequency Finder tool on their website — always verify your venue's location before purchasing to avoid interference issues.
How does this receiver integrate with a standard FOH signal chain?
The BLX24R rack-mount receiver outputs a balanced XLR signal at mic level, so it drops directly into any mixer channel or stage box input. It occupies a single rack unit and includes mounting hardware for standard 19-inch racks.
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