Imagine if you could put the power of a live concert performance or immersive theater experience in your pocket. For anyone who wants better sound from their home, car, and mobile audio systems, ZO is the only accessory that delivers a dramatic performance upgrade, instantly transforming your sound into the ultimate hi-fi experience. With customizable settings, you're in control as you personalize the sound to your ears, gear, and media. ZO does what media players, equalizers, amplifiers, headphones, and your ears can't do on their own. So stop just listening, and start experiencing with the power of ZO.