The effects options that the EAX interface offers are limited, and offer no choices beyond effect settings.

On the other hand, other possibilities, such as Karaoke, CMSS 3D (mapping from a multichannel stereo source), Time Scaling and Audio Clean-Up seem to work identically to the way they operate on a built-in card.

The possibility of removing hissing noises and other miscellaneous sounds from old recordings, and to do so in real time, is an indisputable asset that the Audigy 2 NX shares with other top-of-the range cards manufactured by Creative.