3M PELTOR CH-3 FLX2 Headset with Built-In PTT (MT74H52B-111 / MT74H52P3E-111 / MT74H52A-111 SV) – Integrated Push-to-Talk Communication Headset

Product Overview

The 3M PELTOR CH-3 FLX2 Headset with Built-In PTT is a professional communication solution designed for high-noise environments where reliable and efficient communication is essential. Featuring an integrated push-to-talk (PTT) button directly on the ear cup, this headset eliminates the need for external PTT devices, simplifying operation and improving usability.

Built with advanced noise-cancelling microphone technology and high attenuation performance, the CH-3 FLX2 ensures clear communication even in demanding industrial conditions. The FLX2 connection system allows flexible integration with a wide range of communication radios and systems.

Available in headband, neckband, and helmet-mounted configurations, as well as yellow and black variants, this headset offers flexibility for different working environments and PPE requirements.

Key Features

• Built-In Push-to-Talk (PTT on Cup): Eliminates need for external PTT devices, improving efficiency.
• Noise-Cancelling Microphone: Ensures clear communication in high-noise environments.
• High Noise Reduction (SNR 31–32 dB): Provides effective hearing protection.
• FLX2 Connection System: Enables flexible integration with radios and communication systems.
• Multiple Wearing Options: Headband, neckband, and helmet-mounted configurations available.
• Dual-Ear Audio: Clear sound delivered to both ears for improved communication.
• Durable Industrial Design: Built for long-term use in demanding environments.

What Is Included

• 3M PELTOR CH-3 FLX2 headset with built-in PTT (selected configuration)
• Noise-cancelling boom microphone
• Integrated FLX2 connection interface
• Headband, neckband, or helmet mounting system
• User documentation

System Capabilities

• Integrated Communication Control: PTT button on ear cup for fast and easy operation.
• Two-Way Communication: Enables clear voice transmission via connected radios.
• Hearing Protection: Reduces exposure to hazardous noise levels.
• PPE Integration: Helmet-mounted version integrates with safety helmets.
• Professional Operation: Designed for continuous use in industrial environments.

Technical Specifications

• Model Variants:
  • MT74H52B-111 – Headband, Yellow (SNR 32 dB)
  • MT74H52P3E-111 – Neckband, Yellow (SNR 31 dB)
  • MT74H52A-111 SV – Helmet Mounted, Yellow (SNR 32 dB)
  • MT74H52B-111 (Black Variant) – Headband (SNR 32 dB)
  • MT74H52P3E-111 SV – Helmet Mounted, Black (SNR 32 dB)
• Type: Communication Headset with Built-In PTT
• Connectivity: FLX2 interface
• Audio / Performance: High attenuation with dual-ear audio
• Microphone: Noise-cancelling boom microphone
• PTT / Controls: Integrated push-to-talk button on ear cup
• Construction: Rugged industrial-grade materials
• Compatibility: Radios via FLX2 interface
• Usage: Industrial and high-noise environments

Approvals and Certifications

• EN 352-1 / EN 352-3 (depending on configuration)
• CE Approved
• Designed for professional communication systems
• Tested for industrial hearing protection standards

Ideal Applications

• Construction: Enables fast communication with simplified PTT access.
• Manufacturing: Supports coordination in noisy production environments.
• Utilities & Infrastructure: Ideal for field teams requiring reliable communication.
• Logistics & Warehousing: Improves workflow and team communication.
• Industrial Operations: Ensures consistent communication in high-noise settings.

Industries and Use Cases

• Construction
• Manufacturing
• Utilities
• Logistics
• Infrastructure
• Industrial Maintenance

Product Benefits

The 3M PELTOR CH-3 FLX2 headset with built-in PTT simplifies communication by integrating push-to-talk functionality directly into the ear cup. This eliminates the need for external accessories, reducing complexity and improving efficiency.

With high attenuation, durable construction, and flexible wearing options, it provides a reliable and practical solution for professionals working in demanding environments.

Setup & Compatibility

The headset connects via the FLX2 interface to compatible radios and communication systems. The built-in PTT button allows immediate communication without requiring additional accessories.

The helmet-mounted version integrates directly with compatible safety helmets, ensuring full PPE compatibility in industrial applications.

Why Choose This Product

The 3M PELTOR CH-3 FLX2 with built-in PTT is a practical and efficient communication solution for professionals who require simplicity and reliability. By integrating push-to-talk functionality into the headset, it reduces equipment requirements while maintaining high performance.

Product Information

• Manufacturer: 3M PELTOR
• Model: MT74H52B-111 / MT74H52P3E-111 / MT74H52A-111 SV
• Category: Communication Headsets
• Type: Headset with Built-In PTT
• Connectivity: FLX2 interface
• Compatibility: Radios and communication systems via FLX2
• Usage: Industrial and high-noise environments
• Warranty: Typically 12 months