The Pignose 7-100 guitar amplifier is the answer to the worldwide demand for a high quality, economical and completely portable amplifier. It's powered by six AA batteries (not included) or by an optional AC adapter which can be stored inside the amplifier case. The Pignose 7-100 gives the electric guitar the same mobility as the acoustic, and it weighs only five pounds! You can attach a standard guitar strap and sling the Pignose over your shoulder. It's a Practice Amp- with a Pignose, you can practice anywhere at any time. It features a full array of tones from clean to crunchy! The Pignose 7-100 combines economy with quality and will never outlive its usefulness when you buy up to bigger amps. It will always be handy for traveling and for working on quick ideas on the road. And it has a preamp out jack! It's a Studio and Performing Amp- the Pignose 7-100 sound is so good that many players use it as a preamp in stage and studio performances. This is done by sending the preamp out sig