Details

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📄 Product Description

The Shure BLX14R/SM31 Wireless Rack-Mount Fitness Headset System delivers professional Shure sound, simple setup, and all-day performance for instructors, trainers, and active performers. The included SM31FH fitness headset microphone is moisture-resistant and built for tough environments, making it perfect for fitness classes, aerobics, dance, and stage applications.

Paired with the BLX4R half-rack receiver and BLX1 bodypack transmitter, this system provides up to 14 hours of battery life, a 300 ft (100m) operating range, and effortless one-touch frequency scan and selection. Rugged rack-mount hardware and accessories are included for professional setups.

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✅ Key Features

• Professional Shure Audio – Clear, natural sound for speech and vocals

• Moisture-Resistant SM31FH – Ideal for fitness instructors and active use

• Rack-Mountable BLX4R Receiver – Durable half-rack design with easy installation

• BLX1 Bodypack Transmitter – Lightweight and secure for high-movement activities

• Reliable Wireless Range – Up to 300 ft (100m) line of sight

• Quick Setup – One-touch frequency scan & channel selection

• Long Battery Life – Up to 14 hours with 2 AA batteries

• Expandable System – Operate up to 12 compatible channels per band*

• Versatile Applications – Perfect for gyms, dance studios, stage, and events

(*Region and environment dependent)

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⚙️ Technical Specifications

System

• Receiver: BLX4R Half-Rack Single-Channel Receiver

• Operating Range: Up to 300 ft / 100m (line of sight)

• Frequency Range: UHF (varies by region)

• Simultaneous Systems: Up to 12 per frequency band

Headset Microphone (SM31FH + BLX1 Transmitter)

• Type: Electret condenser fitness headset microphone

• Polar Pattern: Cardioid

• Frequency Response: 45 Hz – 20 kHz

• Features: Moisture-resistant design for fitness applications

• Transmitter: BLX1 bodypack transmitter

• Connector: TA4F (TQG)

• Battery Life: Up to 14 hours (2x AA)

Receiver (BLX4R)

• Rack-Mountable: Yes (kit included)

• Outputs: XLR and ¼” (6.35 mm) jack

• Indicators: LED (Audio, Ready, Battery)

• Controls: Group & channel selection, power switch

• Antennas: 2x detachable ¼ wave antennas

• Power Supply: PS24 (included)

In the Box

• 1x BLX4R Half-Rack Receiver

• 1x SM31FH Fitness Headset Microphone

• 1x BLX1 Bodypack Transmitter

• 1x Clothing Clip

• 2x ¼ Wave Antennas

• 1x Rack-Mount Kit

• 1x PS24 Power Supply

• 2x AA Batteries

• Windscreens

• User Guide