They say practice-makes-perfect and Vox has something for the perfect practice session. It's called amPlug and is a tiny headphone amp that plugs directly in to your guitar - then just plug in your headphones and relish some great Vox tone.Jamming late at night? Don't want to wake the neighbors? Maybe you want to work out a lick with your MP3 player without taking the time to set up your amp. You want to play guitar right now. amPlug is the answer. Simply plug this palm-sized headphone guitar amp directly into your guitar, and enjoy serious guitar sound anywhere, anytime.Even with its ultra-compact size, amPlug perfectly reproduces the complex and warm distortion that is distinctive of a vacuum tube, as well as the powerful high gain produced by a large amp stack. Using analog modeling technology, amPlug delivers full-fledged amp sound.Even the circuit response of the original amp is simulated completely. The simulation extends not only to the response of the tone circuits, but also to the way in which the high frequency and gain are affected when you turn down the volume control of the guitar. Every detail has been faithfully reproduced.amPlug can be used in numerous ways. With up to fifteen hours of battery life, it's easy to take amPlug anywhere. In addition to practicing at home, it's a great way to warm up before a live performance or on the road. And amPlug is not just a convenient way to get great guitar sound. There's also an AUX input jack so you can jam along with your CD/MP3 player.AC30 emulates the AC30 top boost sound of a vintage VOX AC30, and uses two natural-sounding gain stages to reproduce the distinctive AC30 tone.Also available in Classic Rock, based on a UK-made amplifier head, and Metal, based on a California-made high-gain amplifier head.