Hello! I had westone 4r, but just recently upgraded to SE846 due to getting an amazing deal on it. I'm a little dissapointed. I'm using a Samsung Galaxy S6 Edge +, but there's alot of hissing on it, and also on my macbook pro. I've tried connecting it to a FiiO E10K (over 1 ohm impedance)...

Yo. I'm upgrading from my klipsch s4i's. I really like them(love bassy), but they're soon dead. I'm unsure of what to upgrade to between UE900 | XBA-30 | XBA-40. I can get the UE900 for 300$ = Heard good stuff about them. But then there's the price, and the quality build issue. I can get...