Shure BLX14/SM31 H8E

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Shure BLX14/SM31 H8E

Shure

BLX14/SM31 H8E

4.4 Expert Rating

Product Info

Article Number: 387839
Brand: Shure
Model: BLX14/SM31 H8E
Price: $526.90

* Prices may vary. Check retailer for current pricing and availability.

This Shure BLX14/SM31 is a solid, dependable wireless headset system, ideal for presenters, instructors, or anyone needing hands-free vocal clarity. The SM31’s sound is surprisingly good for a headset mic, and the BLX14 transmitter is comfortable enough for long rehearsals or presentations. It’s a great balance of performance and affordability for this type of application.

Product Description

  • Shure BLX14/SM31 H8E
  • Wireless Set
  • SM Presenter Series
  • UHF wireless system with BLX1 pocket transmitter and SM31 headset microphone
  • Up to 12 systems simultaneously
  • Pilot tone
  • Microprocessor-controlled antenna diversity
  • Quick-Scan function for free frequency detection
  • Condenser SM31 microphone capsule
  • Frequency range: 45 - 20
  • 000 Hz
  • Directional characteristic: Cardioid
  • Plastic receiver
  • Integrated antennae
  • XLR and jack outputs
  • Audio status LEDs
  • Frequency range: H8E (518-542 MHz)
PROS
  • • SM31 capsule delivers clear, intelligible vocal reproduction
  • • BLX1 pocket transmitter is lightweight and comfortable for extended use
  • • Quick-Scan frequency selection simplifies setup in crowded RF environments
  • • Receiver’s integrated antennas offer good coverage without external options
CONS
  • • Plastic receiver construction feels less robust than metal alternatives
  • • Limited frequency band (H8E) can restrict channel availability in dense areas
  • • SM31’s cardioid pattern can pick up unwanted sounds if not positioned carefully

Product Video

Key Features

Frequency Band H8E (518-542 MHz)
Channels Up to 12 systems simultaneously
Range Approximately 100 ft (line of sight)
Mic Type Condenser
Battery Life Approximately 8 hours (transmitter)
Receiver Outputs XLR and 1/4 in jack

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Frequently Asked Questions

The SM31 doesn't quite match the SM58's robust, full-bodied sound, but it's remarkably clean and intelligible for a headset, especially for speech-focused applications.
Yes, the limited bandwidth can be susceptible to interference; the Quick-Scan feature helps, but operating in a crowded RF environment might still present challenges.
The BLX14 transmitter uses proprietary Shure batteries; while some third-party alternatives exist, compatibility and performance aren't guaranteed.

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