
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
*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.
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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
Pros & Cons
👍 Pros
- The BETA 58A supercardioid capsule delivers a forward, articulate midrange that cuts through a live mix without harsh sibilance
- Rack-mount receiver with XLR output integrates cleanly into professional FOH and monitor signal chains
- 14-hour battery life on standard AA cells means no transmitter failures mid-set, even on marathon gigs
- Up to 12-channel expandability lets you scale the system for full vocal ensembles without switching platforms
- One-touch frequency scan finds clear UHF channels quickly, reducing soundcheck time in crowded RF environments
👎 Cons
- No built-in pad or gain trim on the transmitter, so hot vocalists may clip the input before the signal reaches the mixer
- UHF diversity reception is basic compared to higher-tier Shure systems, which can show dropouts in heavily reflective metal venues
- The J11 frequency band is region-specific and may not be usable outside the United States without retuning
- Plastic transmitter body feels lighter than the wired BETA 58A, which some vocalists find less balanced in hand
- No rechargeable battery option included — ongoing AA battery costs add up for high-use installations