Description
The Rumble 40 is the amp you throw in the car without thinking twice — 18 lbs, one 10″ Fender Special Design speaker, and 40 watts pushed through 8 ohms that fill a rehearsal room or small stage without strain. Bassists who’ve lugged heavier rigs will appreciate how much low-end authority Fender squeezed into this footprint.
Dial in your tone with dedicated Bass, Low-Mid, High-Mid, and Treble controls, then shape it further with the three-button voicing palette: Bright, Contour, and Vintage switches let you go from punchy modern slap to warm vintage thump on the fly. A foot-switchable overdrive circuit with its own Drive and Level controls gives you instant grit for a chorus or solo, no pedal required.
Round-trip flexibility comes from the aux input for jamming along to tracks, a headphone jack for silent practice, and a balanced XLR line out with ground lift for feeding a PA or recording interface direct from your amp.
- One 10″ Fender Special Design speaker, 8 ohms
- 40 watts @ 8 ohms, solid state
- Foot-switchable overdrive circuit (Drive/Level/Overdrive on-off)
- Bright, Contour, and Vintage voicing switches
- 1/8″ stereo aux in and headphone out
- XLR line out with ground lift
- Removable front grille, ivory soft-touch radio knobs
- 18 lbs — easy one-hand carry with molded plastic handle
Whether it’s living in your practice space or riding in the van as a backup combo, the Rumble 40 delivers dependable, classic Fender low end whenever you need it.









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