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Contact Support

Support For APX373 Radio Transmit Headset

Quick Start Guide
User Manual
Product Sheet

How-To’s

Features

  • Basic Features on Wireless Headsets
  • How It Works: Listen-Through Technology
  • Charging Your Wireless Headset
  • Connecting Your Direct Wire Radio or Device
  • Reconfigure the Headband on a Sonetics Wireless Headset
  • Adjusting Microphone Sensitivity
  • How to Adjust Main Volume on an Apex Wireless Headset
  • How to Adjust Listen-Through Volume on an Apex Wireless Headset
  • How to Access the Advanced Menu on an Apex Wireless Headset
  • How to Change Advanced Menu Settings on an Apex Wireless Headset

Fitment

  • How to Adjust Overhead Fit on an Apex Wireless Headset
  • How to Adjust Under-Helmet Fit on an Apex Wireless Headset

Power & Charging

  • How to Turn On an Apex Wireless Headset
  • How to Turn Off an Apex Wireless Headset
  • How to Use the 12VDC Wall Adapter to Charge an Apex Wireless Headset

Hearing Protection

  • How It Works: Hearing Protection
  • How It Works: Noise Reduction Ratings

Update Firmware

  • Installing the Sonetics Configuration Utility software
  • Update and Configure Wireless Headsets

Customize

  • How to Replace the Headband and Ruggedizers on a Sonetics Wireless Headset

Troubleshoot

  • My headset will not turn on. What do I do?

FAQs

  • Apex 3-Series Wireless Headset
  • Hearing Protection

TALK WITH ONE OF OUR EXPERTS TODAY.

800-833-4558

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  1. Sonetics
  2. Service & Support
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  4. APX373 Support

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