First, I want to thank Cayin for organizing this product review tour, which provides me this great opportunity to try out this IEM. I used to have the Gadget Acquisition Syndrome (GAS), constantly chasing the latest gadget. As I aged and budget burns, the syndrome is cured in recent years. Now I settled down with FIIO M11 + AudioSense T800 as my daily gear with the philosophy that, instead of the endless chase of the better gadgets, I just need a set good enough. What is good enough? The answer is different for different people. The combination of...