Fender Rumble 40

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Fender Rumble 40

Fender

Rumble 40

4.6 Expert Rating

Product Info

Article Number: 331985
Brand: Fender
Model: Rumble 40
Price: $328.90

* Prices may vary. Check retailer for current pricing and availability.

The Rumble 40 is a fantastic practice amp and a surprisingly capable gigging option for smaller venues. Its compact size and light weight make it easy to transport, and the built-in overdrive adds a bit of extra grit. Ideal for beginners and gigging bassists needing a portable, affordable solution.

Product Description

  • Fender Rumble 40
  • Bass Combo Amplifier
  • Class D
  • Power: 40 W
  • 1 x 10" 1x 10" Fender special design loudspeakers
  • 1 x Channel with switchable bright switch
  • Contour
  • vintage switch and overdrive
  • Controls: Gain
  • bright on/off
  • contour on/off
  • vintage on/off
  • drive
  • overdrive on/off
  • level
  • bass
  • low mid
  • high mid and treble
  • 6.3 mm Jack input
  • Headphone connector
  • Mini jack stereo AUX input
  • Line out XLR with Ground Lift
  • Soft touch radio potentiometer knobs
  • Dimensions (H x W x D): 41.91 x 41.91 x 30.48 cm
  • Weight: 8.16 kg
  • Design: Black vinyl covering with silver grill cloth
PROS
  • • Lightweight Class D amp delivers surprising power for its size
  • • Fender’s special design speakers provide a balanced, articulate tone
  • • Versatile EQ section with Contour control shapes bass response effectively
  • • Line output with ground lift is excellent for recording or live use
CONS
  • • Bright switch can be overly aggressive, lacking subtlety
  • • Limited channel options restrict more complex tonal sculpting
  • • Vinyl covering, while durable, isn’t the most premium aesthetic

Product Video

Key Features

Power (Watts) 40
Speaker 1 x 10in Fender special design
EQ Bands 4
DI Output XLR with Ground Lift
Effects None (Overdrive)
Weight 8.16 kg

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Frequently Asked Questions

It offers a good balance of power and portability, with Fender’s signature tone, but lacks the channel flexibility of some competitors.
It's a decent, usable overdrive – not a high-end distortion, but it adds a welcome edge for rock and blues styles.
The DI output is clean and reliable, making it suitable for basic live sound, though a more sophisticated mixer might offer more control.

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