Warm, Entertaining And Yet Very Refined And Revealing...   If this is what you looking for, stop reading this review and go out buying one of these!  ( The product was tested at 249,99$ )  Because this is simply one of the most enjoyable headphones beneath the 500$ mark. The Philips Fidelio X1 was released by Philips Home Audio department in 2012 and had since then quite the fanbase and many great reviews.    With the Philips X1s, Philips was trying to bring their first true high-end headphone to the market, for critical home listening. Most of...