The Nady Systems Axehead Mini Headphone Guitar Amp is small and versatile. This mini amp plugs directly into your guitar or bass for instant, pro sounding audio—anytime, anywhere. It is the ideal practice tool—listen through your headphones, crank it up without disturbing anyone around you! No need for bulky amp! You can also tailor your tone, from ultra clean to heavy distortion. The AxeHead is ideal for home use, college dorms, traveling…wherever the music takes you.