When i mean acceptable, it means Bass that doesn't sound like destroying your earphones... I remember trying out DSP Manager for the first time, and i kept tweaking everything to More Bass... When i put on my earphones and listen to some songs, I felt like i'm dying xP... The bass gave me distortion because it can handle the Bass and i decided to tweak to something more reasonable... And this is what i came up with...

Dynamic Range Compression (DFC): ENABLED
Select Sound Effect: MODERATE

Bass Boost: ENABLED
Select Effect Strength: MODERATE

Equalizer: ENABLED

Follow the picture for the Preset...

If your there is some distortion coming out from your earphones, choose SLIGHT for DRC Sound Effect...

This is just a leak ed version but still...SUPER FAST