Hi all my head fi ers friends The first time I heard my 1+2 plus was impressed me the soundstage so big like I hear from home rigs. The separation is very good , that I can imagine where the Sanger and the orchestra like to be there in live concert hall. The transparency is top notch The natural and neutral iem I have heard, if your rigs set up increase the sound quality from 1+2 increase too Follow your set up My portable set up as follow Source : iPhone 4 s Dac : class - dB and class solo old Dac amp : : go dap x LME upgrade version Amp ...