Basic introduction Chinese name: mbth, a model record company: reference essence: American record brand. Employee: 10 employee official website:: reference/brand profile, brand figures, brand profile The founder believes in the creed of "small is good". Up to now, only 10 employees, but this trademark is a well-known fever brand, and has attracted a number of famous artists and excellent orchestras with its quality, such as Minnesota Symphony Orchestra, Seattle Symphony Orchestra, pianist Eastaugh Min, etc. Its "Invincible Disc" and "The Voice of RR" are both audio-visual CDs commonly used by enthusiasts. Dr Keith O 'Zhan Sen, the chief recording engineer of Reference Headphones, is a legend in the recording field. He has more than 30 years' working experience and won Grammy awards for many times. The microphone he designed can accurately capture the reverberation effect of the recording studio and give the audience a strong sense of stage space. The goal of RR Company is to reproduce the real sound effect of the concert hall. In the production of CD, Zhan Sen's original HDCD technology provides a more accurate and musical level for digital records. On the player equipped with HDCD decoding device, the sound effect has been obviously improved.