This sequence follows the test standard detailed in EN50332-1 (2013) for measuring the maximum sound pressure for portable music players and the earphones/headphones they are bundled with. The test involves loading a weighted pink noise stimulus file (as specified by IEC 268) onto the portable device and playing it through the earphones at the player’s maximum volume.
A revised version of our sequence for Max SPL of headphones to EN-50332 is now available. This incorporates all the changes made in the 2013 revision of the standard. This includes a new sequence for testing Bluetooth and USB headphones to meet the standard’s additional stipulations for testing digital devices.