[DISCONTINUED] VOX APTW AmPlug Twin Guitar Headphone Amplifier Plugs directly into your guitar-a great-sounding headphone guitar amp that gives you serious sound fast AUX in jack lets you jam along with your CD/MP3 player 100% analog circuit faithfully simulates the response of the original amps Recreates the sound of the classic American clean 2 x 12-Inch combo amp, plus a chorus effect Up to 15 hours of battery life with two Alkaline AAA batteries