Powered by their flagship GT-series engine, BOSS's GT-1 guitar multi-effects pedal packs their best amp models and effects into a compact floor unit. A streamlined interface makes choosing and tweaking patches quick and easy. Keep an eye on your parameters with the easy-to-read backlit LCD. Take command of your performance with the GT-1's assignable control switch and expression pedal. Enjoy a clean, noise-free signal, courtesy of 24-bit converters and BOSS's proprietary Adaptive Focus method. The BOSS GT-1 guitar multi-effects pedal fits easily in your gig bag, thanks to its smooth, modern design, and runs for up to seven hours on four AA batteries.