its hard 2 say, i mean i love they way its sounds. it juss adds bass 2 songs that dont have any basically. makes ying yang twinz whisper- wait sound like a low bass monster track.
to give u an idea of how it sounds....play snoopdoggs drop it like its hot...with a 20hz sinewave in the background..and thats what u have.....i believe me it sound awsome.....i had 2 of them....i'm buying another one next month....(the previous 2 got stolen by the cops)