I had vsonic gr02be but I sold them and I want to buy something else. I listened to vsonic gr07be, vsd1, t-peos h-100, rock-it sound r-50, sony xba-3, xba-4, hifiman re-400, shure 215 but most of all I liked the sony xba-3. There is a small problem they have little sub bass region and since I...