I know it may sound weird due to price difference and Sennhsier's own naming of the products and all, but I am genuinely interested in comparison between these two. Recently I've found out about the world chi-fi and after hearing friend's 40$ earphone basically being on par with my 300$ Senn...

Hey guys! I own a pair of Sennheiser IE80. Friend bought KZ ZSX and I tried them, just to be amazed at how 7 times cheaper iems almost match mine and even surpass them in some aspects. ZSX sounded clearer, more detailed and precise, and bass even tho described as "boomy" and "veiled" was more...