The Zoom G1 Four and G1X Four feature over 70 effects and amp models, looper and drum machine. Plus, access ZOOM Guitar Lab’s additional library of downloadable effects. Plug in and be amazed! X is for Xpression The G1X Four comes with ZOOM’s expression pedal, which provides control over effects such as volume, wah, delay and pitch. Stay Looped In The built-in looper can record up to 30 seconds of playing, allowing you to create dynamic, multi-part arrangements. Your Favorite Amps & Cabinets With 13 classic amps and cabinets like Fender, Marshall, Orange and more, the G1 series brings big stage sound wherever you go.