Question Headphone Problem Samsung I9000

Hello Members,
Yesterday I bought new Headphone(Headset) for my phone Samsung Galaxy S I9000.My Problem Is That The sound is very very bad no bass no vocals.I have Tried The Fix Of Supercaio but still not help i have also try DSP And Viper But nothing helped.
If Anyone Has A Fix or A Hardware fix please PM or Write it down.

Thanks