Sonetics®

Site Navigation

  • Solutions
  • Products
    • Headsets
    • Connect
    • ComHubs & Base Stations
    • Intercoms
    • Accessories
  • Industries
  • Support
  • Blog
  • Contact

Site Search

Expand Site Search Form Hide Site Search Form

Utility Navigation

  • About
  • Blog
  • Technology
  • Contact
  • 800-833-4558

Shop Navigation

Expand Shop Navigation Hide Shop Navigation
  • Shop All
  • Replacement Parts
  • Radio Cables
  • Headset Ruggedizers

Support

  • 800-833-4558
  • M – F, 6:30 A.M.  – 5 P.M. PACIFIC
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

HOW CAN WE HELP YOU?

Management System Certified ISO 9001:2015
  1. Sonetics
  2. Service & Support
  3. Headset Support
  4. APX373 Support

Site Directory

    • Systems
    • Headsets
    • Connect
    • ComHubs / Base Stations
    • Intercoms
    • All Accessories
    • Construction
    • Public Works
    • Manufacturing
    • Food Processing
    • Utilities
    • First Responders
    • Aviation
    • Marine
    • Directional Drilling
    • Towing & Recovery
    • Contact Support
    • Radio Interface Guide
    • Repairs & Returns
    • Firmware
    • Blog
    • Technology
    • Events
    • Become a Partner
    • Contact Us
    • About Sonetics Corporation
    • Careers
    • Press Releases
    • Sonetics Facebook
    • Sonetics Instagram
    • Sonetics Twitter
    • Sonetics Linkedin
    • Sonetics Youtube
  • Privacy
  • Site Map

Sonetics Corporation 800-833-4558 17600 SW 65th Ave Lake Oswego, OR 97035 USA

Copyright © 2025 Sonetics Corporation. All rights reserved.