This part of IEC 60268, is applicable to headphones, headsets, earphones and earsets, intended to be used on, or in, the human ear. It also applies to equipment, such as pre-amplifiers, passive networks and power supplies which form an integral part of the headphone system.

It does not deal with:
safety, for which reference should be made to IEC 62368-1 or another appropriate standard;
the characteristics of microphones of headsets, for which reference should be made to IEC 60268-4;
earphones and other devices for hearing aids, for which reference should be made to IEC 60118-0;
headphones for audiometry;
headphones and other devices which form part of an active ear-defender system, although some of its provisions may be applicable.
This standard specifies the characteristics which should be included by the manufacturer in specifications, and relevant methods of measurement. It includes a classification of the different types of earphone, mainly characterized by the way in which the transducer is coupled acoustically to the ear, and a classification code which may also be used for marking.

Test Requirement 测试要求：

头戴受话器及耳机 Headphones and earphones

Sample Size 样品数量 / 送样规格: 4pcs finished products
Lead Time / TAT (Turn Around Time) 测试周期: 常规服务 Regular service 12 working days

Report Summary 报告摘要: