Pricing and availability
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Price
Average Price: $416
Standard/Professional
$299
$700+
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Budget
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Price History
Based on price data from 5 merchants for "Shure BLX14 / SM31-H9". Prices shown reflect NEW condition. Tracking began Apr 2, 2026.
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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
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Is the Shure BLX14/SM31-H9 suitable for fitness instructors?
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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.
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What is the operating range of the Shure BLX14/SM31-H9 wireless system?
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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.
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How long does the battery last on the Shure BLX14/SM31-H9 transmitter?
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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.
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What type of polar pattern does the SM31 microphone have?
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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.
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Can the Shure BLX14/SM31-H9 system handle multiple channels simultaneously?
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Yes, the Shure BLX14/SM31-H9 can operate up to 12 simultaneous channels, which is useful for environments requiring multiple wireless systems.
Videos
PT. Goshen Swara Indonesia
BLX14/SM31 UNBOXING
Reviews
PROS
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Exceptional sound clarity even in large, echo-prone spaces
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Comfortable for long wear without slipping, even during intense physical activities
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Reliable battery life lasting through multiple performances or classes
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Moisture-resistant design suitable for fitness instructors and performers
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Easy to set up and channel adjustment resolves connectivity issues
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Compatible with other Shure wireless microphones for versatile use
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Durable construction, ideal for high-intensity environments and frequent use
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Lightweight design makes it easy to forget you're wearing it
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No latency or sound-fidelity loss when moving around
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Hyper-cardioid design minimizes feedback, enhancing audio quality
CONS
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Requires additional purchase of XLR Female to 1/4 Inch TS Cable for some setups
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Bodypack is not waterproof, needing extra protection in sweaty environments
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Some units reported to stop functioning within a month
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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.
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