VOX / amPlug2 AC30 headphone amplifier. This is a beautiful, fully functional item. The amPlug offers casual plug-in convenience directly into your guitar, with authentic sound thanks to its dedicated analog circuitry. This is the "AC30" type, delivering the AC30 top boost sound. It features 9 effects, including reverb and delay, for even more enjoyment! ■ Headphone guitar amplifier ■ AC30 type ■ No guitar cable needed. Plugs directly into your guitar. The latest version of the headphone guitar amplifier for the fastest, most authentic sound. ■ The entire fully analog circuit has been revamped for even clearer and more realistic sound quality. ■ Three modes are available for the amplifier sound. ■ Built-in 9 effects (Chorus x 3, Delay x 3, Reverb x 3) ■ VOX's unique analog technology incorporates a multi-stage gain circuit to reproduce the complex distortion of vacuum tubes. ■ Features a 180-degree rotating, folding plug mechanism, allowing angle adjustment to suit your guitar. ■ Battery-powered for up to 17 hours of use, so you can play anytime, anywhere. ■ Equipped with an AUX input jack for jam sessions with an MP3 player. ■ The multi-stage gain circuit, using a fully analog design, reproduces the sound of the original vacuum tube amplifier. You'll experience the evolved sound through carefully selected circuit configurations and components, including the differences between guitars and pickups, the responsiveness to volume adjustments on the guitar, and the feel of the speaker cabinet's airiness. ■ Input/Output terminals (stereo): Headphone out, AUX in ■ Power: 2 AAA batteries ■ Dimensions, weight: 86W x 80D x 31Hmm, 40g * This unit does not function as an amplifier on its own. Please prepare headphones separately.