I bought this when my Sony XBA-N1AP had started to stop working and it totally goes beyond my dying pair for giving many little details which used to hide in my old earphones, yet they both share a very similar sound signature to each other. However, 1MORE Quad Driver steps to a slightly brighter path in terms of sound. Nonetheless, the Quad Driver still sounds great in dark-sounding music such as Doom Metal, Stoner Metal, Stoner Rock and so on. What surprised me the most is how it can separate each instrument so greatly. In busy-sounding music with...