Shure
Shure BLX14/CVL-H11 Wireless Lavalier Microphone System H11
★★★★★
condenser
Professional wireless lavalier system with 300-foot range, 14-hour battery life, and hassle-free single-channel setup.
$359.00*
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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
H11 (572–596 MHz) UHF FREQUENCY BAND: Operates on the H11 (572–596 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 LAVALIER AUDIO SETUP: Includes BLX4 single-channel receiver, BLX1 bodypack transmitter, and CVL cardioid lavalier mic with clip and windscreen. Also includes power supply, 2 AA batteries, and user guide.
IDEAL FOR PRESENTATIONS & SPEECH: The CVL clip-on lavalier mic offers discreet placement and cardioid pickup designed to focus on speech while reducing surrounding noise in classrooms, conferences, and worship spaces.
SHURE ENGINEERED RELIABILITY: Built with Shure’s trusted UHF wireless design and simple setup, supporting up to 12 compatible systems per band for reliable, flexible performance.
Specifications
Brand
Shure
Model
BLX14/CVL-H11
Microphone Type
Lavalier Condenser
Polar Pattern
Unidirectional
Wireless Range
300 ft / 100 m
Frequency Band
H11
Frequency Response
20 kHz
Number of Channels
1
Max Channels Per Band
12
Power Source
2x AA Batteries (included)
Battery Life
Up to 14 hours
Connector Type
XLR
Dimensions (L x W x H)
13.5 x 12 x 4 inches
Weight
2.76 lbs
Warranty
2 Years
Pros & Cons
👍 Pros
- 300-foot wireless operating range provides generous freedom of movement
- 14-hour battery life on two AA batteries minimizes mid-event interruptions
- Includes everything needed for a complete lavalier wireless setup out of the box
- QuickScan frequency selection simplifies setup and avoids interference
- Shure build quality and a 2-year warranty back the system's long-term reliability
👎 Cons
- Single-channel receiver means you need additional units for multi-mic setups
- The CVL lavalier has an omnidirectional pickup that can capture unwanted ambient noise
- H11 frequency band may not be approved in all regions so compatibility must be verified
- No rechargeable battery option built in — relies on disposable AA batteries
- Designed for smaller venues and may not suit large-scale professional touring rigs
Frequently Asked Questions
What frequency band does the H11 version operate on?
The H11 band operates on a specific frequency range designated by Shure. You should check Shure's Wireless Frequency Finder tool to confirm the H11 band is approved for use in your area before purchasing.
How long do the batteries last in the bodypack transmitter?
The BLX1 bodypack transmitter runs up to 14 hours on a single pair of AA batteries.
What is included in the box?
The system comes with the BLX4 single-channel receiver, power supply, BLX1 bodypack transmitter, belt clip, CVL lavalier condenser microphone, lav clip, windscreen, two AA batteries, and a user guide.
Can I run multiple BLX systems simultaneously?
Yes, you can run up to 12 channels per frequency band, allowing multiple BLX systems to operate side by side without interference.
What type of output connection does the receiver use?
The BLX4 receiver uses an XLR output connection for routing audio to a mixer, PA system, or recording device.
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