3M Peltor CH-3 FLX2 Headset Series (MT74H52A-110 / MT74H52B-110 / MT74H52P3E-110) – Professional Communication Headset (External PTT Required)

Product Overview

The 3M PELTOR CH-3 FLX2 Headset Series is a professional-grade communication solution designed for use in high-noise industrial environments. Engineered for durability and performance, these headsets deliver clear communication and effective hearing protection when used with compatible two-way radios and external push-to-talk (PTT) devices.

Featuring the flexible FLX2 connection system, the CH-3 headset allows seamless integration with a wide range of communication systems, making it ideal for complex and scalable deployments. Its noise-cancelling boom microphone ensures clear voice transmission, even in demanding conditions.

Available in headband, neckband, and helmet-mounted configurations, and in both yellow and black variants, the CH-3 FLX2 offers versatility to suit various working environments and PPE requirements.

Key Features

• External PTT Configuration: Requires external push-to-talk adapter for flexible system integration.
• 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 compatibility with a wide range of radios and accessories.
• Multiple Wearing Styles: Headband, neckband, and helmet-mounted options available.
• Dual-Ear Audio: Delivers clear sound to both ears for improved communication.
• Robust Industrial Design: Built for long-term use in demanding conditions.

What Is Included

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

System Capabilities

• Two-Way Communication: Enables clear voice transmission via connected radios.
• Modular System Integration: Works with external PTT units and communication systems.
• Hearing Protection: Reduces exposure to hazardous noise levels.
• PPE Compatibility: Helmet-mounted version integrates with safety helmets.
• Scalable Deployment: Ideal for large or customised communication setups.

Technical Specifications

• Model Variants:
  • MT74H52A-110 – Headband, Yellow (SNR 32 dB)
  • MT74H52B-110 – Neckband, Yellow (SNR 31 dB)
  • MT74H52P3E-110 – Helmet Mounted, Yellow (SNR 32 dB)
  • MT74H52A-110 SV – Headband, Black (SNR 32 dB)
  • MT74H52P3E-110 SV – Helmet Mounted, Black (SNR 32 dB)
• Type: Communication Headset (External PTT Required)
• Connectivity: FLX2 interface
• Audio / Performance: High attenuation with dual-ear audio
• Microphone: Noise-cancelling boom microphone
• PTT / Controls: External PTT required (no PTT on cup)
• Construction: Rugged industrial-grade materials
• Compatibility: Radios via FLX2 and compatible PTT adapters
• 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 reliable communication across active job sites.
• Manufacturing: Supports coordination in noisy production environments.
• Utilities & Infrastructure: Ideal for field-based teams.
• Logistics & Warehousing: Improves team communication and efficiency.
• Industrial Operations: Ensures clear 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 provides a flexible and scalable communication solution for professionals working in high-noise environments. Its external PTT configuration allows integration into customised communication systems tailored to specific operational needs.

With durable construction, high attenuation, and clear audio performance, it delivers reliable communication and protection for demanding industrial applications.

Setup & Compatibility

The headset connects via the FLX2 interface and requires a compatible external push-to-talk (PTT) adapter to operate with two-way radios. This modular setup allows users to select the most suitable PTT and radio combination for their environment.

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

Why Choose This Product

The 3M PELTOR CH-3 FLX2 headset (external PTT version) is ideal for organisations requiring a flexible and scalable communication system. Its compatibility with a wide range of radios and accessories makes it a reliable solution for complex and professional deployments.

Product Information

• Manufacturer: 3M PELTOR
• Model: MT74H52A-110 / MT74H52B-110 / MT74H52P3E-110
• Category: Communication Headsets
• Type: Headset (External PTT Required)
• Connectivity: FLX2 interface
• Compatibility: Radios and communication systems via PTT
• Usage: Industrial and high-noise environments
• Warranty: Typically 12 months