Amplifiers used: Fiio E7 and Woo Audio WA3   Alright so several weeks ago i purchased the Ultrasone Pro 750 headphones. I paid $225 on Amazon along with a Fiio E7. I've had them for almost a month and i believe i can now form a solid opinion on these headphones. I'll give a brief overview and then go a little more in depth. Let me say these headphones are CLEAR and CRISP. These are ridiculosly detailed. The highs are crisp, the midrange is radiant, and the lows are exceptional. The highs although are piercing, not neccesarily in a bad way but...