Hi everybody! In pursuit of lower midrange quality earphones I purchased KZ ZSN, TRN V80, Moondrop Crescent and ZhiYin Z5000. I threw a lot of money in vain as all of them suck. I own some mid class supraaural headphones such as ATH-W1000, ATH-A550Z and some low class Philips SHP9500 and the...