Where can I get the expanded manual for the Rumble digital amplifier? You can view and download the manual right here! Related articles Fender® Bass Amplifier Owner's Manuals How do I set up the Tone app to use with my Rumble digital amp? Fender® Acoustic Instrument & Preamp Owner's Manuals Where can I get a copy of the Rumble Stage/Studio v2.0 Manual Addendum? Why can’t I see my Mustang® GT or Rumble digital amp as a Bluetooth available device?*