The MDR-R10 is the flagship headset known as the king of dynamic circles, first produced in 1989 at a price of $2,500 and produced only 2,000 pairs. In order to create the most cost-free headphones in Sony's history, several headphone technologies have been broken through. For example, beech wood was recognized as the most suitable acoustic material, and biodiaphragm technology was developed to set the tone for the later known CD3000 and QUALIA 010. The MDR-Z1R is Sony's latest flagship model, and players who are familiar with the abbreviation of the code name will know that this headset can be regarded as a major product in recent years when they see the R (Reference) word as the base. The Z1R still continues the traditional tone of Sony's headphones, with beautiful and full vocals and a more prominent musical taste. The detail restoration and control are excellent,But subject to the closed structure,The low frequency and sound field are not good,The official price is 12999element。