First listening refers to a small listening room, which is usually used for individuals to enjoy music or conduct recording debugging. Its space is relatively small, and the design pays attention to the performance of sound quality and personal comfort. Sound-absorbing materials and acoustic processing technology are usually used to reduce the interference of echo and noise and provide a better audio experience. The first hall refers to a large concert hall or performance venue, which is used to hold concerts, concerts and other large-scale music activities. It has a large space, and its design pays attention to the spread of sound quality and the comfortable feeling of the audience. The first hall usually adopts professional acoustic design and sound equipment to ensure that music can spread evenly in the whole space and bring shocking music experience to the audience.