SRS Labs iWOW-3DF Audio Enhancement Adapter with Multicolor Faceplates for iPod, iPhone and iPad Delivers natural and immersive sound with deep and rich base. Enhances your listening experience by creating a bigger and wider sound field SRS iWow App (included) allows you to customize songs to your liking Dynamically locates and restores audio details buried in the source material Connects snugly and easily with one button control for audio enhancement providing ultra clear and crisp definition.