Yes, under the effects browser go to the audio section. Add the effect "Channel EQ". Then go the audio tab, in the inspector, and under the effects panel you'll see Channel EQ. On the right of the channel eq title is a square button that looks like an audio board. Click that button and you'll see fcpx version of what Dan's is messing with.
That's true but, you could also use it on a good back up take.