New designed 8.5mm speaker driver RE-600S done a lot of basic research on the small size speaker driver project, the ultimate success of the design and produced 8.5mm speaker. It uses NdFeB magnets, and adopted the light weight but strong titanium- plated diaphragm, not only for the details with great accuracy, the quality of the low-frequency, transient performance and dynamic range has a remarkable performance. Composite wires As a high-end in-ear earphone, RE-600S uses the mixed cable of expensive single crystal copper and single crystal silver wire. Compared to the traditional copper wires, RE-600S composite wires can present the essence of music, allowing the listener to experience the rich details. Luxurious appearance Not only the sound quality, RE-600S also makes the production excellence, the earphone shell is made of precision cutting of integrated molding aluminum, and then coated with glossy piano paint, even more luxurious. Package RE - 600s adopted the new design of outside packaging, packaging luxurious. At the same time, the RE - 600s comes with different size of silicone eartips, The listeners can choose different specifications of silicone eartips according to your ear canal size, which has comfortable wearing feeling. Specification : Driver : 8.5mm single dynamic Impedance : 16 Ohm Sensitivity : 102dB/1mW Frequency : 15 Hz -22 KHz Net Weight : 12.9g Package : HiFiMAN RE-600S Earphones 11 pairs of Eartips 10 pcs filters Carry case