Mini-amp pedal. Made by Danelectro. Plug in just the guitar and you have a very cool mini amp with a powerful speaker built into the pedal! Great tone and great power. Then plug in the cord to the amplifier and it's a great distortion box. Very cool! Danelectro Mini-effects offer some of the best-quality effects out there in a tiny package, so you can throw as many as you want into your gig bag! Plus, at these prices, who can resist the urge to try out all the classic effects?