MP3 sounds bad on my Motorola's speaker...

[GangstaRap]

I'm intrested of copy some of my music (MP3 Files) to my new Motorola K1 but i'm havin a problem.
some of the MP3 files sounds really bad on the outside speaker,
i'm probably not much of a genius when it comes to this but i think its the songs' bass that ruins the smoothness (maybe the speaker is not build to it? ).
not to mention the fact that some of the MP3's files sounds louder then the other...

is there any way i can upgrade my MP3's?
maybe to weaken the bass a lil' bit and increasing the songs' Treble somehow?

any help appreciated!
Thanks!

[guns1inger]

Not without re-encoding, which is likely to degrade the overall quality further.

You can use MP3gain to normalise a folder full of files without re-encoding. This will at least put them all at the same volume level.

[GangstaRap]

Hi guns1inger!
thanks for postin.
Does MP3gain can reduce the bass?

[guns1inger]

No. For that you will have to open each file, adjust it, and re-encode it.

[TooLFooL]

it is the bass that's ruining it.... i use goldwave, you can use it or audacity to apply a highpass filter. set the cutoff between 300-500 Hz. when you save your file, save it as a 64kbps mono mp3. you will have a tiny mp3 file that sounds great on the phone.