This standard specifies the environmental test requirements and test methods for broadcast radios, broadcast and television receivers (including CRT, LCD, PDP receivers), tape recorders, audio & video recording and reproducing products, and audio frequency power amplifiers (amplifiers). It is applicable to the evaluation of the adaptability of the environment during the design, production and testing of the above equipment. The standard covers environmental tests such as low temperature, high temperature, collision, vibration, and low pressure to ensure the Stability and durability of products under various environment conditions, providing technical support for the Reliability of audio & video equipment.