Pricing and availability

We compare 600+ stores and found this item at 7 stores. Prices updated .

Guitar Center
3.5 (3)
$429.00
Amazon
4.4 (234)
$429.00 New
$386.10 Used (Like New)
Reverb
$411.31 New
$343.20 Used
Musician's Friend
5.0 (7)
$429.00
zZounds
5.0 (4)
$429.00
B&H
3.7 (3)
$429.00

Average Price: $416

Standard/Professional

$299

$700+

Price Tier

Budget

Standard

High-end

Price History

Based on price data from 5 merchants for "Shure BLX14 / SM31-H9". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.

* Product prices and availability are updated by Equipboard every 24hrs and are subject to change. Equipboard may receive compensation for purchases made at participating retailers linked on this site. This compensation does not affect what products or prices are displayed, or the order of prices listed. For more information, please refer to our affiliate disclosure.

Description

The Shure BLX14 / SM31-H9 Wireless Microphone System is a game-changer for fitness instructors, presenters, and performers who thrive on freedom of movement. This robust system pairs Shure's legendary sound quality with an intuitive setup, making it a reliable choice for those who need to stay hands-free while delivering crisp and clear vocals. The SM31FH headset microphone is specifically engineered to withstand moisture, thanks to its hydrophobic fabric, ensuring long-lasting performance even in humid environments or during intense workouts.

The system is comprised of the BLX4 receiver, which offers a streamlined setup with its QuickScan frequency selection to automatically find the clearest channel. The BLX1 bodypack transmitter is lightweight and designed for comfort, featuring adjustable gain control and an easy on/off switch to keep things simple during dynamic sessions. With a transmission range of up to 300 feet and a battery life of up to 14 hours on just two AA batteries, this system ensures uninterrupted performance.

Whether you're leading a fitness class, presenting on stage, or performing in a live band, the Shure BLX14 / SM31-H9 offers the reliability and quality you need to deliver your message with confidence.

Key Features:

  • Includes SM31FH cardioid condenser headset microphone with moisture-repelling hydrophobic construction
  • BLX4 receiver with one-touch QuickScan for fast frequency selection
  • BLX1 bodypack transmitter with adjustable gain and easy on/off switch
  • Up to 14 hours of continuous use with two AA batteries
  • Operating range of up to 300 feet (line of sight)
  • Compatible with up to 12 systems per frequency band
  • Lightweight, durable design for comfortable wear during extended use

Product specs

Application Fitness/Active
Configuration Headset Wireless System
System Simultaneous Channels Up to 12
System Analog/Digital Analog
System Frequency Range 512-542 MHz
System Operating Range 300 ft. Line-of-sight
System Frequency Response 50Hz-15kHz
System Microphone Included Yes
Microphone Form Factor Headworn
Microphone Color Black/Orange
Microphone Type Condenser
Microphone Polar Pattern Cardioid
Microphone Frequency Response 40Hz-20kHz
Transmitter Form Factor Bodypack
Transmitter Dynamic Range 100dB (A weighted)
Transmitter Battery Type 2 x AA
Transmitter Battery Life Up to 14 hours
Transmitter Connector TA4M
Transmitter Dimensions 4.3" x 2.5". x 0.8"
Receiver Antenna Type Fixed
Receiver Type Table Top
Receiver Front Panel Display Yes
Receiver Displays LCD
Receiver Outputs 1 x XLR, 1 x 1/4"
Receiver Dimensions 1.5" x 7.4" x 4"
Receiver Weight 0.5 lbs.

FAQs

Is the Shure BLX14/SM31-H9 suitable for fitness instructors?

Yes, the Shure BLX14/SM31-H9 is designed specifically for fitness applications, providing a secure and comfortable fit with its headworn microphone, making it ideal for active use.

What is the operating range of the Shure BLX14/SM31-H9 wireless system?

The Shure BLX14/SM31-H9 offers an operating range of up to 300 feet line-of-sight, allowing for flexibility and mobility during performances or fitness sessions.

How long does the battery last on the Shure BLX14/SM31-H9 transmitter?

The transmitter for the Shure BLX14/SM31-H9 has a battery life of up to 14 hours using two AA batteries, providing extended use for long sessions or events.

What type of polar pattern does the SM31 microphone have?

The SM31 microphone features a cardioid polar pattern, which helps to minimize background noise and focus on the user's voice, making it effective in noisy environments.

Can the Shure BLX14/SM31-H9 system handle multiple channels simultaneously?

Yes, the Shure BLX14/SM31-H9 can operate up to 12 simultaneous channels, which is useful for environments requiring multiple wireless systems.

PT. Goshen Swara Indonesia

PT. Goshen Swara Indonesia

BLX14/SM31 UNBOXING

Video thumbnail for BLX14/SM31 UNBOXING by PT. Goshen Swara Indonesia

BLX14/SM31 UNBOXING

PT. Goshen Swara Indonesia

PT. Goshen Swara Indonesia

Video thumbnail for Watch Before You Buy Shure Wireless Microphone and Receiver by Jenn Doheney Amazon Influencer: Mindful Shopper

Watch Before You Buy Shure Wireless Microphone and Receiver

Jenn Doheney Amazon Influencer: Mindful Shopper

Jenn Doheney Amazon Influencer: Mindful Shopper

Reviews

PROS

  • Exceptional sound clarity even in large, echo-prone spaces

  • Comfortable for long wear without slipping, even during intense physical activities

  • Reliable battery life lasting through multiple performances or classes

  • Moisture-resistant design suitable for fitness instructors and performers

  • Easy to set up and channel adjustment resolves connectivity issues

  • Compatible with other Shure wireless microphones for versatile use

  • Durable construction, ideal for high-intensity environments and frequent use

  • Lightweight design makes it easy to forget you're wearing it

  • No latency or sound-fidelity loss when moving around

  • Hyper-cardioid design minimizes feedback, enhancing audio quality

CONS

  • Requires additional purchase of XLR Female to 1/4 Inch TS Cable for some setups

  • Bodypack is not waterproof, needing extra protection in sweaty environments

  • Some units reported to stop functioning within a month

  • Not the most discreet design, might not "blend into your face"

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Shure BLX14 / SM31-H9.

Comparisons

  • The Shure GLXD16 is mentioned as superior to the BLX4, justifying its higher cost with more reliable performance and better frequency response.

    Source
  • The Line 6 G30 is recommended as an alternative to the BLX4, though it requires using RF1 mode to reduce dropouts.

    Source

User experience

  • It's noted that the BLX4 may introduce phasing issues, especially beyond the 5th fret, affecting musical applications.

    Source
  • Some users experience an audible noise with each note played on the BLX4, suggesting potential interference or unit defects.

    Source

Use cases and applications

  • The BLX4 might be suitable for spoken word but reportedly lacks the frequency response needed for musical performances.

    Source

Based on 0 Reviews and 0 Ratings

5 star
4 star
3 star
2 star
1 star

More Shure Wireless Microphones

Accessories & Related Items

Artist usage

Community setups

Similar

Gear Guides