Plugs directly into your guitar/ bass —a great-sounding headphone guitar amp that gives you serious sound fast. Now available in nine styles: Lead, Bass, VOX AC30, Classic Rock, Metal, Acoustic, Night Train, Twin and Joe Satriani Signature. AUX in jack lets you jam along with your CD/MP3 player. 100% analog circuit faithfully simulates the response of the original amps. amPlug Night Train offers the intense, high-gain sound of the VOX Night Train amplifier. amPlug Twin Recreates the sound of the classic American clean 2 x 12" combo amp, plus a chorus effect.. AC30 emulates the AC30 top boost sound of a vintage VOX AC30. Up to 15 hours of battery life with two Alkaline AAA batteries. Quick and easy setup! Just connect amPlug to your guitar and enjoy serious sound. With its completely analog design, great care was also taken with amPlug's gain circuitry. The 'AC30' uses two natural-sounding gain stages to reproduce the distinctive AC30 tone. 'Classic Rock' uses four classical gain circuits to deliver that great sound. 'Metal' uses two stages of ultra-high gain plus a mid-cut circuit, giving you modern metal high-gain sound anywhere and anytime. 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 twenty seven 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.