Shure
Shure BLX2/Beta58 K3E
Best handheld transmitter for vocalists needing reliable, noise-rejecting live performance audio.
The Shure BLX2/Beta58 K3E is a professional UHF handheld transmitter, part of the reliable BLX series. It features the acclaimed Beta 58 vocal capsule for clear sound capture and a supercardioid pattern to minimize background noise. Operating within the K3E frequency band (606-630 MHz) with 10 mW transmission power, it ensures stable wireless performance for live sound applications. This transmitter is powered by AA batteries and comes with a 3-year warranty, making it a dependable choice for vocalists.
$280.00
Owner Satisfaction
4.6
/ 5
Category Rank
90
/ 254
#90 in Wireless Transmitters
Price vs Category Average
-66%
Below average
Transmitting Type
Handheld Transmitter
/ Handheld Transmitter
Who it's for
- Vocalists needing industry-standard clarity and feedback rejection
- Novice users requiring fast and effortless frequency setup
- Performers needing reliable battery life for small to medium stages
Who should skip it
- Production teams managing large-scale events with many microphones
- Touring professionals needing rugged metal equipment for heavy use
- Engineers working in environments with high RF interference
Performance breakdown
Vocal Clarity
The legendary Beta 58 capsule delivers crisp, studio-grade vocal presence live.
Feedback Rejection
Supercardioid pattern effectively isolates vocals while ignoring stage noise and bleed.
Signal Stability
Reliable UHF transmission maintains a clean connection in standard live environments.
Build Durability
Rugged construction withstands the inevitable drops and bumps of touring life.
Operational Simplicity
Intuitive design allows performers to set up and sync in seconds.
Battery Efficiency
Standard AA power provides consistent performance throughout long performance sets.
Key Specs
Transmitting Type
Handheld Transmitter
Frequency Range
K3E 606 - 630 MHz
Transmission Power
10 mW
Frequency Response
50 / 16,000 Hz
Directional Characteristic
Supercardioid
Power Source
2x AA batteries or rechargeable batteries
Capsule Type
Dynamic Capsule
Sales Unit
1 piece(s)
Features
- Integrated Beta 58 vocal capsule
- Supercardioid pattern rejects ambient noise
- Reliable UHF wireless performance
- Stable transmission within K3E band
- Professional vocal applications
- Powered by AA batteries
What customers say
This system is highly recommended for its outstanding value, primarily driven by the exceptional sound quality of the Beta58A capsule. Users consistently praise the crisp, punchy vocal reproduction and excellent off-axis rejection, making it ideal for singers and presenters. Setup is remarkably simple, often described as plug and play due to the automatic frequency scanning technology. While reliability is strong for standard use, the plastic construction of the receiver and transmitter components is a noted area of concern regarding long-term durability compared to premium models. For those seeking professional sound quality and ease of use at an entry level price, this system delivers excellent performance.
Know before you buy
The Beta 58 capsule features a supercardioid polar pattern, which is highly effective at isolating your voice and rejecting unwanted stage noise from the sides. It is specifically tuned for professional vocal applications, offering a clearer, more focused sound than standard dynamic capsules.
This transmitter is designed for the Shure BLX series and must be used with a receiver that operates on the K3E frequency band (606-630 MHz). Please verify your receiver's frequency range before purchasing to ensure compatibility.
The BLX2 transmitter is powered by two AA batteries, which typically provide up to 14 hours of continuous use. We recommend using high-quality alkaline or rechargeable batteries to ensure consistent performance throughout your set.
The K3E band operates between 606 and 630 MHz. Because wireless regulations vary by region, we recommend checking your local frequency coordination guidelines to ensure this band is clear and legal for use in your specific location.
While the Beta 58 capsule is optimized for vocal clarity and frequency response, its dynamic design is robust enough to handle various sound sources. However, it is specifically engineered to handle the proximity and gain requirements of live vocal performance.
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$280