耳机性能（Earphone performance）.docVIP

耳机性能（Earphone performance） Now that computer technology is really a lot, I think an encyclopedia is difficult to accommodate, in recent years the rapid development of PC hardware, but only one point, since PC has a voice, there is no much room for improved. So, in order to pursue higher quality, a better PC headset or speaker is also necessary, but do not blindly pursue high priced headphones. In fact, for most consumers, on the computer barrier is to listen to MP3, see movies, chat, just to monitor the level of headphones is not required, spend one thousand or hundreds of meaningless. This time our eyes should be on par with the domestic brands, like SOMIC, Kunshan Jiahe one of these domestic manufacturers, R D and sales has been mainly focused on the PC headset, and the product quality has a good reputation in the industry and users, is a quasi professional headset of choice. However, headphones are small, but the requirements of the production process is quite high, the purchase also has a lot of knowledge. First of all, from the index analysis, the common headset technical indicators are: headset structure, sensitivity, frequency response range, impedance, harmonic distortion, wire, switching mode, etc.. When you buy headphones, you may wish to pay attention to the following points: Earphone structure: Headset, the headset can be divided into open, semi open and closed. Enclosed is your soft ear pad that wraps your ears and covers it completely. This headset has a larger sound pad, so it has a larger size, but with a sound pad, it can be used in a noisy environment without being affected. Open headphones are popular headphones. This type of aircraft is characterized by the use of spongy microcellular foam plastic sound pad ear pads. It is compact and comfortable to wear. It is no longer a heavy pad and has no sense of isolation from the outside world, but it has a lower frequency loss. Semi open is a new integrated headset headset closed and open two headset ad