New in box. From Loog Guitars: A short-scale electric guitar with a built-in amp and speaker, bundled with an app that teaches you music through AR, and free lessons! The Loog Mini Electric guitar has a built-in amp. Yep. We managed to fit an amplifier and a speaker in there! And we did it in a quite subtle way: there’s virtually no extra weight, no awkward knobs or controls and the classic Loog guitar silhouette stays unchanged.