Shure
Shure BLX14/P31-J11 Wireless Headset Microphone
★★★★★
Professional wireless headset mic system with 300-foot range and up to 14 hours of battery life.
$379.00*
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*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 BLX1 bodypack transmitter operates up to 14 hours using two AA batteries under typical conditions.
COMPLETE HEADSET AUDIO SETUP: Includes BLX4 single-channel receiver, BLX1 bodypack transmitter, and PGA31 cardioid headset mic with windscreen and clothing clip. Also includes power supply, 2 AA batteries, and user guide.
IDEAL FOR HANDS-FREE PRESENTATION: The PGA31 headset mic features a comfortable headband and cardioid pickup designed to focus on speech while allowing presenters, instructors, and performers to move freely.
SHURE ENGINEERED RELIABILITY: Built with Shure’s trusted UHF wireless design and simple setup, supporting up to 12 compatible systems per band for reliable, scalable performance.
Specifications
System Type
Wireless Headset Microphone System
Microphone
PGA31 Headset Condenser
Polar Pattern
Cardioid (Unidirectional)
Transmitter
BLX1 Bodypack
Receiver
BLX4 Single-Channel
Frequency Band
J11
Operating Range
Up to 300 feet (100m)
Battery Life
Up to 14 hours (2 × AA)
Output Connectivity
XLR
ASIN
B085WGMNHP
Pros & Cons
👍 Pros
- 300-foot operating range provides generous freedom of movement on stage or in a venue
- 14-hour battery life on two AA batteries minimizes mid-event interruptions
- PGA31 headset mic's cardioid pattern effectively isolates the speaker's voice from ambient noise
- Simple one-touch setup gets the system running quickly without technical expertise
- Shure's reputation for reliable wireless performance in live sound environments
👎 Cons
- Single-channel receiver limits you to one wireless mic at a time — no expansion without additional receivers
- J11 frequency band is region-specific, so the system may not be legal to operate in all areas
- PGA31 headset mic is functional but lacks the audio refinement of higher-end Shure capsules
- No rechargeable battery option included — ongoing AA battery costs add up over time
Frequently Asked Questions
What frequency band does the J11 model operate on?
The J11 band operates in a specific frequency range assigned by region. Check Shure's Wireless Frequency Finder tool before purchasing to confirm the J11 band is approved for use in your area.
What microphone is included with this system?
It comes with the Shure PGA31 headset microphone, which features a cardioid (unidirectional) polar pattern designed to pick up your voice clearly while rejecting background noise.
How long does the battery last in the bodypack transmitter?
The BLX1 bodypack transmitter runs up to 14 hours on two standard AA batteries.
Can I use this system with a mixer or PA system?
Yes. The BLX4 single-channel receiver has a standard XLR output that connects directly to mixers, powered speakers, or PA systems.
Does the system require any special software or programming to set up?
No. The BLX system is designed for quick, straightforward setup — power on the receiver and transmitter, sync them, and you're ready to go without any software configuration.
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