Details

---

🔊 Product Introduction

The Shure BLX14/SM31 Wireless Fitness Headset System is designed for fitness instructors, presenters, and performers who demand professional-quality sound and total freedom of movement. Featuring the SM31FH cardioid condenser fitness headset microphone with moisture-repellent construction, it withstands high-humidity environments such as gyms, fitness classes, and outdoor training. Paired with the BLX1 bodypack transmitter and BLX4 single-channel receiver, this system delivers legendary Shure sound with up to 14 hours of battery life and a range of up to 300 feet (100m). Easy setup, reliable RF performance, and rugged construction make the BLX14/SM31 the perfect wireless headset solution for active professionals.

✅ Key Features (Bullet Points)

• Includes SM31FH cardioid condenser fitness headset mic with moisture-repellent design

• BLX1 bodypack transmitter with clothing clip for secure fit

• BLX4 tabletop single-channel receiver with easy one-touch QuickScan setup

• Transparent Shure audio for fitness instruction, presentations, and performances

• 14 hours of continuous operation with 2 × AA batteries

• Operating range up to 300 ft (100m) for maximum mobility

• Rugged, sweat-resistant headset ideal for high-humidity environments

• Expandable up to 12 compatible systems per frequency band* (region dependent)

• Ships with windscreens, clothing clip, PS24 power supply, carrying case, and user guide

⚙️ Basic Specifications

• System Type: Wireless fitness headset microphone system

• Receiver: BLX4 single-channel diversity tabletop receiver

• Transmitter: BLX1 bodypack transmitter

• Microphone: SM31FH cardioid condenser fitness headset

• Frequency Response: 45 Hz – 20 kHz

• Polar Pattern: Cardioid

• Operating Range: Up to 100 m (300 ft)

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

• Simultaneous Systems: Up to 12 per frequency band (region dependent)

• Accessories Included: Windscreen, clothing clip, PS24 power supply, carrying case, user guide