Fender® FUSE™ It's software. And it's amazing. With it, you can custom hot-rod your Fender® FUSE™-compatible amp and connect with a worldwide community of musicians.Mustang · Get Started Now · V.2 · Band Tracks · Login · Support Fender® FUSE™ | Mustang™ Sep 21, 2015Upload and download user-created amp Presets and Fender-created Presets. The functionality of Fender® FUSE™ is greatly enhanced by the ability to share Presets with other users. Fender '57 Deluxe Greenbox and reverb. Report Abuse. By: Bo Lynge Learn more about this Author.