Testing Maximum SPL of Headphones on portable music players – EN 50332
by admin • 21 July 2025 • Application Briefs, News
We are pleased to share a new Application Note (AN026) dedicated to EN 50332 compliance testing, the essential standard for evaluating the safety of personal audio devices such as headphones, earphones, and portable music players.

This document provides a step-by-step procedure for testing audio products using the CLIO audio measurement system covering EN 50332-1 “Headphones supplied with portable audio equipment”. The same procedure can be easily adapted to the EN 50332-2 “Headphones not supplied with the player”.
Whether you’re a manufacturer, acoustic engineer, or compliance lab, this application note offers:
- An overview of regulatory requirements
- Test setup and system configuration
- Measurement techniques to determine maximum SPL
- Guidance for interpreting and reporting results
📄 Download Application Note 026
Click here to access the PDF
Click here to download the Test Signals and Free Field correction curve