Yinhe Pro 05: 1356Hz, 85.0g, 5.9mm (internal KLC)
Fang Bo B2: 91.9g, 1320Hz, 6.0mm (internal ...)
Fang Bo B2X: 89.7g, 1399Hz, 6.0mm, and 91.3g, 1442Hz. 6.1mm (internal ...)
Yinhe Pro 01: 88.8g. 1485Hz. 5.8mm (external ALC)
Conclusion, the Pro 05 is not that fast compared to the B2X, a little...