ohcrapgorillas
500+ Head-Fier
I would mess around with different tips or try altering the seal you have with the current ones you are using. Burn-in helps tremendously! And what is your source?
Man, tips ain't gonna fix this sound signature. They're going up for trade as soon as I have the time to write up the ad.
Sources were FiiO X1, Nexus 5 and gamma2 to O2.