Get bigger sound out of Apple gadgets with iWow - USATODAY.com: The iWow plugs into any Apple gadget that uses Apple's 30-pin connector. That includes iPhones, iPads and most iPods. When you connect headphones, earbuds or a cable to a full sound system, you immediately hear cleaner, richer and more detailed sound. Bass tracks have more definition, vocals are more separated from the music, and high notes don't get clipped.