rharv is exactly right.

Get to know your monitors. Try playing some commercial CDs through your system and see if the bass is light on those too. If they sound ok, then it's probably safe to lift the bass level in your own recordings. If they don't, adjust your monitor EQ until they do and then your own recordings should sound better.

If you decide to lift the bass level, you might want to look at compressing or limiting it as well, or it could affect your overall mix level.

ROG.