Dunu DK-3001 In-Ear Earphone Review

With a $500 USD asking price backed by 4 generations of experience, can the DK-3001 provide enough refinement to separate itself from other exemplary value and premium earphones?
With a $500 USD asking price backed by 4 generations of experience, can the DK-3001 provide enough refinement to separate itself from other exemplary value and premium earphones?