Sorry about that. The save sound settings did not include the EQ settings. Attached are the edited config files that includes the EQ and sound settings. Here is what it looks like...
# .cfg file created by rockbox 449dff4M-120414 - http://www.rockbox.org
volume: -21
balance: 0
bass: -4
treble: 7
channels: stereo
stereo_width: 100
replaygain type: track
replaygain noclip: off
replaygain preamp: 0
crossfeed: meier
eq enabled: on
eq precut: 40
eq band 0 cutoff: 90
eq band 1 cutoff: 30
eq band 2 cutoff: 1320
eq band 3 cutoff: 4000
eq band 4 cutoff: 12000
eq band 0 q: 5
eq band 1 q: 13
eq band 2 q: 7
eq band 3 q: 10
eq band 4 q: 8
eq band 0 gain: 50
eq band 1 gain: 30
eq band 2 gain: 90
eq band 3 gain: 60
eq band 4 gain: 60
dithering enabled: off
timestretch enabled: off
compressor threshold: 0
compressor makeup gain: auto
compressor ratio: 4:1
compressor knee: soft knee
compressor release time: 500
I tried the settings on my Sansa e280 and they work quite well, so I'm assuming these settings work with any Sansa player coupled with Senn CX300s.