exporting a 1 bar kick loop

hi,i am exporting a 1 bar kick loop,which i have done in battery on a midi track.
i am exporting with the battery channel set at 0db,but when i import the resulting audio file ito the project it is not as loud as the original midi track.
why is this?

Master ouput set wrong?

that culd be it yes,as i have it set to-5 or so.