Distortions when listening silent with tone on, above 50% bass without equalizer

[mario]

Hallo, I hear strong distortions when listening to the music silent. I use HTC One X+ with Shure 215 Headphones. The mp3s I hear are 160kbit ant better. The ton is on. Bass setting above 50%. Equalizer is off. Have you an Idea what can be the reason of this? The other players don't distort the sound.

[maxmp]

Do you have beats on when listening to this sound? Try with beats off. Beats implement own volume control which is not comaptible with Poweramp DVC on some ROMs (or I would say, it's not compatible with high quality audio, as this noise is with or without Poweramp and hearable in any player - may be a bit less pronounced - for very low level sounds - this is so called Quantization noise introduced by limited precision of beats software dsp).

Thanks!

[mario]

Thank you maxamp for your prompt answer. I noticed that beats produces distortions, so I switched it off. The beats is worth nothing, anyway. I don't use is since the first day I have Poweramp.

I noticed that tone is the reason of the distortions when listening very silent. When it is off I hear no distortions, but it makes no fun to listen to the film soundtracks without more bass (about 50%) and treble, and Poweramp has the best bass boost thanks to the tone on. With the equalizer I could not reach such a nice deep bass.