Founded in 1925, Shure Inc. is the world's leading manufacturer of microphones and audio electronics, including world-class microphones, advanced wireless audio systems, high-quality cartridges, mixers, digital signal processors, and personal monitoring systems. The most famous of these is the Shure microphone, which has been used by successive US presidents, including John F. Kennedy, Nixon, and Clinton, to deliver important speeches. Shure SRH1440 scored 81 points in Consumer Reports in the U.S., and the sound quality is excellent, which is in a neutral style. Slightly concave bass has good clarity and a slight lack of dynamics. The midrange is thorough, and the upper and lower parts are noticeable. The treble is malleable, but at the same time a little "aggressive". Compared with the previous Shure series headphones, the SRH1440 is more textured, and Shure's sincerity can be felt from the appearance to the wearing. In addition, if you like in-ear, you can choose Shure SE315, the price is about 1300 yuan, in addition to excellent sound quality, it also has better comfort and sound isolation than similar headphones.