Fender Rumble 40 1x10" 40-Watt Bass Combo

1 x 10" 40-watt Bass Combo with 4-band EQ, Three Voicing Options, XLR Direct Out, and Footswitchable Overdrive
Fender Rumble 40 1x10
Fender Rumble 40 1x10

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Fender Rumble 40 1x10" 40-Watt Bass Combo
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Vintage Vibe with Modern Features!

Fender gives bassists of all levels a solid amp that can handle anything. Plug into the Fender Rumble 40 for serious bass tone in a compact package! This black beauty offers a basement-friendly 40 watts, complete with both gain and blend controls in the overdrive section, so you can bring the perfect amount of overdrive into your sound. In fact, an optional footswitch is available that lets you easily bring the overdrive in and out whenever you need some extra tonal tenacity.

Fender Rumble 40 Bass Combo Amp at a Glance:
  • Sound-shaping and more
  • More than just a solid performance tool
  • A single 10" speaker for serious punch
Sound-shaping and more

The Rumble 40 combo's 4-band EQ helps to shape your sound, and the 3-button voicing palette sculpts the sound further. Choose between bright (adds a treble zing to the sound), contour (low-end boost), or vintage (classic bass tone with deep lows and vintage character). These give you a ton of flexibility to find your signature sound. The XLR line output can pump the tone you love straight into the PA for bigger gigs. This will make your sound tech happy, since it'll greatly simplify getting you pumped into the PA. Need a little extra teeth for a particular song or passage? The Rumble 40's built-in overdrive has your back. Get the optional footswitch for instant onstage convenience.

More than just a solid performance tool

The Rumble 40 combo isn't just about performance, though; it also helps you practice. It's stuffed with a handy aux input that you can plug your iPod, laptop, drum machine, or other practice gear into. And there's an 1/8" headphone jack, so you can practice late into the night.

A single 10" speaker for serious punch

Fender loaded the Rumble 40 with a single 10" speaker - the perfect choice for making sure your bass punches through the mix.

Fender Rumble 40 Bass Combo Amp Features:
  • Basement-friendly 40 watts
  • Single 10" speaker delivers serious punch
  • Vintage vibe with modern features
  • Footswitchable overdrive for extra aggression (footswitch available separately)

Additional Media

Bass Guitar Amp Buying Guide

Tech Specs

Type Solid State
Number of Channels 1
Total Power 40W
Speakers 1 x 10"
Effects Overdrive
EQ 3-band (Semi-parametric Midrange)
Inputs 1 x Instrument, 1 x 1/8" (Aux)
Outputs 1 x 1/8" (Headphones), 1 x XLR
Footswitch I/O Yes
Height 16.5"
Width 16.5"
Depth 12"
Weight 18 lbs.
Manufacturer Part Number 2370300000

Customer Reviews

Based on 22 reviews
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Nice Little Amp

I was looking for a small bass amp that I could use in my home studio and at practice. The Rumble 40 is perfect. I was pleasantly surprised at the excellent sound and really light (less than 20 lbs). The eq control knob settings are very responsive and can dial in just the right tone for me using my American Standard Jazz. I am very pleased with this little Fender and of course Sweetwater is the best to deal with.


I was quite surprised with this little amp. It is great for rehearsals. It is super light and loud enough to play over drums. I didnt think it would be. I use it for bass and keyboards. It was perfect for a keyboard monitor. It has line outs to go into a board if u need it. It is a great little amp for the price. It has a couple midrange tones and cool stuff. I really recomend it.

Sounds Amazing

5 stars. I have 20 years experience with bass amps. I've heard everything; all the different tube amps for bass and guitar, class D, 70's-90's SS too. Fender hit a homer with this '14 Rumble 40. Wow it's loud deep sounding for such a little amp. Very usable in many situations. Lots of great sounds. The gain adds a surprising amount of warmth. The amp takes pedals very well! Cant wait to try recording it with a re20 in it's face.
Music background: Bass


i had a RUMBLE 30 that i just loved but sold to a bandmate who has a studio and needed to have a small bass amp on hand (was impressed with the tone and output of that unit for its size) ... picked up the RUMBLE 40 and i am very, very happy with it - i especially love the tone pre-sets (in addition to 3-band EQ), XLR direct out and overdrive/foot pedal options ... these have added even more flexibility to what was already a competent, highly portable basic package in the RUMBLE 30 ... that said, while the classic FENDER amp look is really cool, i do miss the kickback cab of the 30 for onstage work ... however, the new amp is really(!!!) lightweight and it fits easily on either an amp stand or on a simple A-frame guitar stand for tilt-back onstage monitoring - so there is an easy fix ... for me, this little amp has plenty of output for either small venues or as a near-field monitor for big stage gigs, and the XLR direct out feature puts plenty of signal into the board for boom out front (punch) and into the monitor mix for the band ... while we are an "old school" band (70's blues, rock, country) with live amps & floor monitors, we've been working to reduce our stage volume - so LESS IS MORE - another reason why this little package really works for us ... and while i love it, lugging around my all-tube vintage '71 FENDER BASSMAN 10 (4x10) combo amp to gigs is getting to be less & less fun (did i mention that the RUMBLE 40 is REALLY LIGHTWEIGHT???) ... bottom line, i don't think you can find a better throw-it-in-the-car-&-go amp than this, especially for the money ...
Music background: gigging musician, worship leader

Great Sound capability

I just used my Fender Rumble 40 on a large 500 seat niteclub venue Went direct Bet my bandmates that it would sound as good as my Ampeg with 6-10's I was right The baddest sound ever and the overdrive was just what the doctor ordered
Music background: Cover band musician
See also: Bass Combo Amps, Fender, Fender Bass Guitar Combo Amps