From Bongiovi Acoustics:
The Bongiovi DPS Plug-In makes everything sound better! This is a revolutionary audio enhancer that changes the way you listen to sound, whether it's your favorite music, movies, Internet communication, streaming video or games. DPS "plugs in" to your computer's sound system so all audio from any application on your Mac will receive the sonic benefits of DPS technology. The DPS Plug-In re-masters all Mac sound in real-time using the patented Digital Power Station audio enhancer technology. You may customize your sound using our library of audio profiles as well as the new DPS Equalizer and Volume Booster. DPS H.E.A.R. is also available to provide a satisfying listening experience at healthier volume levels.
What's new in this version:
Extended free promotional period.