The scope of this standard is to set up a suitable measuring methodology allowing accurate measurement of the maximum sound pressure level produced by consumer's headphones and earphones when associated with portable audio equipment.

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• DIN DIN IEC 60268-7 : Sound system equipment - Part 7: Headphones and earphones (IEC 100/1365/CD:2008)
• ASA S1.4 : Specification for Sound Level Meters-ASA 47 - 1983; Includes Amendment S1.4a-1985

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