An equalizer can help you adjust how audio sounds, and counter the shortcomings of your headphones.

These particular headphones can retain EQ profiles set from the app -- keeping those settings even when connected to a different device -- so the in-app EQ is worth using.

I HIGHLY reccomend against the use of the Winamp equalizer. If you want equalization, use one that is hardware based on your sound card. (Don't know if yours does or not, I know the Santa Cruz ...