One extra that rockbox has that would help with getting the higher frequencies in Rockbox is the extra treble that is seperate from the main equalizer.
http://download.rockbox.org/manual/rockbox-sansae200/rockbox-buildch6.html#x9-1070006.3
One extra that rockbox has that would help with getting the higher frequencies in Rockbox is the extra treble that is seperate from the main equalizer.
http://download.rockbox.org/manual/rockbox-sansae200/rockbox-buildch6.html#x9-1070006.3