Hi-Fi是英语Hight-Fifelity的缩写,译为“高保真”,它要求音响设备在重放过程中,对声音信号各指标不失真地放大、处理,以还原声源本来的面貌,强调的是原汁原味。近年来,随着科技的不断进步,不仅在音源方面达到了很高的要求,而且,播放器材也达到很高的水平,Hi-Fi耳机的出现,造就 Hi-Fi is an acronym for English Hight-Fifelity, translated as “high fidelity”, which requires audio equipment in the playback process, the audio signal of each indicator without distortion to enlarge, handle, in order to restore the original appearance of the sound source, emphasis Is original. In recent years, with the continuous improvement of science and technology, not only high requirements have been achieved in the audio sources, but also the equipment for broadcasting has reached a high level. The appearance of Hi-Fi headphones