Shure BLX14/SM31-H9

Overview

The Shure BLX14/SM31-H9 is a wireless cardioid fitness headset microphone system designed to provide clear and reliable audio for fitness instructors, active performers, and presenters who require hands-free communication while moving. It features a moisture-repellent cardioid headset microphone that stays securely in place during intense workouts or performances. With a wireless range of up to 300 feet and a battery life lasting up to 14 hours, this system supports freedom of movement and long sessions without interruption.

Key features

• Wireless range of up to 300 feet allows unrestricted movement in large spaces
• Moisture-repellent cardioid headset microphone designed to stay secure during vigorous activity
• QuickScan technology automatically selects the clearest frequency to minimize interference
• Supports up to 12 channels operating simultaneously within the same frequency band for multi-user environments
• Includes BLX4 single-channel receiver, BLX1 bodypack transmitter, and SM31FH headset microphone for a complete wireless solution
• Battery life of up to 14 hours ensures reliable performance throughout extended sessions

Key specs

• Operating range: up to 300 feet
• Battery life: up to 14 hours
• Microphone type: cardioid headset (SM31FH)
• Receiver type: BLX4 single-channel
• Transmitter type: BLX1 bodypack
• Frequency management: QuickScan for automatic frequency selection
• Simultaneous channels supported: up to 12 per frequency band

Connectivity and compatibility

This system connects wirelessly between the BLX1 bodypack transmitter and the BLX4 receiver, providing a stable audio link suitable for fitness studios, stages, and large event spaces. The cardioid microphone design helps reduce background noise, making it well suited for environments with ambient sound. It integrates easily with standard audio setups through the receiver’s output connections.

Performance and reliability

Built to endure demanding conditions, the headset microphone resists moisture from sweat, ensuring consistent audio quality during intense physical activity. The QuickScan feature simplifies setup by automatically finding the clearest frequency, reducing the risk of dropouts or interference. With a long battery life and robust wireless range, this system supports uninterrupted use in professional fitness classes, presentations, and performances.

Ideal uses and environments

The BLX14/SM31-H9 is a strong choice for fitness instructors, dance teachers, and active presenters who need hands-free, high-quality audio while moving freely. It fits well in gyms, studios, outdoor fitness events, and any setting where reliable wireless communication is essential. Its ability to support multiple channels simultaneously also makes it suitable for group classes or multi-presenter setups.

Orders are processed within 2 business days, which includes verification, packing, and dispatch. Shipping costs are calculated at checkout based on destination, total weight, and selected speed. Free shipping applies to carts over $100 (excluding heavyweight items). All available options and final pricing are clearly shown before payment so you can choose the service that best fits your needs.

Deliveries are handled by major carriers such as USPS, UPS, and FedEx. Estimated delivery times are displayed at checkout and may vary depending on service level and location. Please note that these are estimates and can be affected by weather, holidays, or carrier volume. Once your order ships, you’ll receive a tracking number for real-time updates from pickup to final delivery.

Providing an accurate shipping address helps prevent delays, and changes may be limited once the order has been dispatched. P.O. boxes are supported only when permitted by the selected carrier. Packaging and handoff are optimized to protect items during transit, though oversized or high-weight products may require special handling. All shipping methods and any related constraints are clearly shown during checkout.

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Returns are accepted within 30 days of delivery. Items must be unused, in the same condition received, and include all tags, manuals, accessories, and original, unaltered packaging. To start a return, please email us for approval. Items sent back without approval may be refused or returned to the sender. If any item is kept, its value will be deducted from the refund.

Non-returnable items include opened TVs, combos, or monitors 37″ or larger, opened computers or software, electronic downloads, opened consumables (film, paper, bulbs, media, ink), custom or modified computers, special-order or “nonreturnable” items, submerged underwater gear, and opened educational media.

After inspection, refunds are issued to the original payment method. Please allow 5–7 business days for the credit to post. Shipping and handling are nonrefundable. If an item is used, incomplete, or not in its original condition, a 30% restocking fee may apply. Direct exchanges are not offered. To exchange an item, please purchase the replacement separately and return the original for a refund.

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We act solely as a reseller. Any product warranty is provided and administered by the manufacturer, not by our store. That means eligibility, coverage, and outcomes are determined by the manufacturer’s policy for each brand and model. Before purchasing, we recommend reviewing the warranty terms on the manufacturer’s website or in the product documentation to confirm what is covered and for how long.

If you need warranty service, please file the claim directly with the manufacturer. They may require proof of purchase, the product serial number, original packaging, photos, or basic troubleshooting. Some brands ask you to register the product or obtain a case number before shipping it for repair or replacement. We don’t submit or approve claims, but we can point you to the correct support links and contact details.

Keep your invoice and packaging in a safe place, and report any functional issues to the manufacturer as soon as they appear. If you’re unsure whether a problem is covered, the manufacturer’s support team can confirm next steps and timelines. While we cannot intervene in decisions or outcomes, we’re happy to provide purchase documentation or guidance so you can move through the warranty process smoothly.

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