Best MXR Bass Pedals 2026

Alright, let's talk MXR bass pedals. They've got a serious legacy, stretching back to the days of phasers and fuzzes for guitar, but their bass offerings have really come into their own. If you're looking for something that's going to add some serious character and versatility to your bass tone - something beyond the usual fuzz and chorus - MXR is a brand worth digging into. They're not always the easiest to dial in, but when they work, they really work.

Last updated: May 6, 2026 • Next update: May 13, 2026

MXR MB301 Bass Synth - Professional Music Instrument Photo
#1

MXR MB301 Bass Synth

Studio Recording Tone Enhancement Professional Bass Setup
Key Feature:
The MB301 is a fantastic entry point into bass synth territory, especially if you’re after that classic funk and slap sound. Ian Martin Allison's influence shines through with its surprisingly versatile voice shaping and a really usable sub oscillator. It's perfect for gigging bassists wanting a compact, reliable synth foundation.
PROS
  • • Analog circuitry delivers thick, warm, and responsive synth tones
  • • Voice/Shape buttons offer surprisingly diverse sonic palettes
  • • Sub mix control allows for subtle or massive low-end augmentation
  • • Compact size makes it pedalboard-friendly for most bassists
CONS
  • • Limited modulation depth compared to dedicated synth pedals
  • • Envelope response can be a little sluggish with extreme settings
  • • Voice selection can feel slightly overwhelming initially
4.7/5 Expert Rating
Sound:
7/10
Build:
9/10
Value:
9/10
MXR Bass Envelope Bundle PS A1 RB - Professional Music Instrument Photo
#2

MXR Bass Envelope Bundle PS A1 RB

Professional Bass Setup Tone Enhancement Studio Recording
Key Feature:
This MXR bundle delivers that iconic, funky envelope filter sound you've heard on countless recordings. The included Rockboard cover is a smart addition for pedalboard users, keeping your gear safe and secure. It's a great entry point for bassists wanting to explore this expressive effect, or for those looking for a reliable and well-built workhorse pedal.
PROS
  • • Classic MXR envelope filter sound, instantly recognizable and usable
  • • Rockboard pedalboard cover offers excellent protection and secure mounting
  • • True bypass preserves your bass's natural tone when the effect is off
  • • Sens control allows for a wide range of subtle to aggressive response
CONS
  • • Envelope filter sound isn't universally appealing; takes practice to master
  • • The Rockboard cover is only compatible with specific pedal sizes and mounting systems
  • • Limited control over the decay characteristics compared to some higher-end filters
4.4/5 Expert Rating
Sound:
9/10
Build:
7/10
Value:
7/10
MXR Bass Chorus Bundle PS A1 RB - Professional Music Instrument Photo
#3

MXR Bass Chorus Bundle PS A1 RB

Bass-Specific Effects Professional Bass Setup Bass Players
Key Feature:
This MXR Bass Chorus Bundle is a solid entry-level chorus pedal with a few extra tricks. The X-Over feature keeps the low end defined, and the analog circuit gives it a pleasing warmth. It's perfect for bassists wanting a classic chorus sound without excessive complexity or a premium price tag.
PROS
  • • Solid MXR build quality; feels rock-solid and dependable.
  • • The X-Over function is genuinely useful for bass clarity.
  • • Analog circuit delivers a warm, musical chorus tone, not sterile.
  • • Rockboard cover is a nice touch, protecting the pedal from dust.
CONS
  • • Chorus can get muddy quickly if settings aren't dialed in carefully.
  • • The flanger mode feels like an afterthought; not its strong suit.
  • • Power adapter not included; a common but frustrating omission.
4.6/5 Expert Rating
Sound:
9/10
Build:
7/10
Value:
9/10
MXR Bass Comp Bundle PS A1 RB - Professional Music Instrument Photo
#4

MXR Bass Comp Bundle PS A1 RB

Tone Enhancement Professional Bass Setup Live Performance
Key Feature:
This MXR Bass Comp bundle is a solid entry point into bass compression. The M87 delivers a transparent, musical compression, and the Rockboard cover keeps your pedal safe. It's perfect for gigging bassists or studio players who want to tighten up their low end without getting overly squashed – especially those seeking a vintage-inspired tone.
PROS
  • • MXR’s Constant Headroom Technology delivers exceptionally clean compression.
  • • Rockboard Pedalsafe Type A1 provides practical, secure pedal protection.
  • • The M87's attack and release controls offer nuanced dynamic shaping.
  • • Robust metal housing ensures durability for gigging and studio use.
CONS
  • • The included Rockboard cover is a bit basic, lacking aesthetic flair.
  • • 9V battery power isn't ideal for long gigs; AC adapter sold separately.
  • • Compression can be a learning curve for bassists new to the effect.
4.4/5 Expert Rating
Sound:
7/10
Build:
9/10
Value:
7/10
MXR M87 Bass Compressor - Professional Music Instrument Photo
#5

MXR M87 Bass Compressor

Tone Enhancement Bass Players Live Performance
Key Feature:
The MXR M87 Bass Compressor is a solid, reliable workhorse. It's fantastic for bassists needing consistent dynamics and a clean, powerful low-end—perfect for session players and gigging musicians who want a no-fuss, transparent compression solution without getting lost in a sea of knobs.
PROS
  • • Robust metal enclosure provides excellent durability for gigging musicians.
  • • CHT technology delivers transparent compression without unwanted distortion.
  • • Well-spaced controls allow for precise shaping of attack, release, and ratio.
  • • Versatile enough for subtle leveling to aggressive slap compression.
CONS
  • • Attack knob can be a bit sensitive, requiring careful adjustment.
  • • Limited flexibility compared to multi-function compressor pedals.
  • • Size is a bit larger than some competing bass compressor pedals.
4.4/5 Expert Rating
Sound:
9/10
Build:
8/10
Value:
7/10
MXR M80 Bass DI Plus - Professional Music Instrument Photo
#6

MXR M80 Bass DI Plus

Tone Enhancement Bass-Specific Effects Bass Players
Key Feature:
The MXR M80 Bass DI Plus is a seriously well-equipped direct box for bassists who want a bit of everything. It’s great for players who need a solid DI signal with shaping options and a touch of overdrive—perfect for funk, rock, or even a little blues where you want to add some warmth and aggression without needing a separate overdrive pedal.
PROS
  • • Rugged metal housing inspires confidence on stage and in the studio
  • • Versatile EQ section shapes tone from scooped mids to aggressive highs
  • • Distortion offers usable grit, not just fuzz – surprisingly musical
  • • Gate effectively tames unwanted noise without choking sustain
CONS
  • • Size and weight make it less ideal for gigging bassists with limited space
  • • Distortion character might be too subtle for players seeking extreme distortion
  • • EQ controls, while versatile, could benefit from more precise markings
4.5/5 Expert Rating
Sound:
9/10
Build:
8/10
Value:
8/10
MXR Bass Octave Bundle PS A1 - Professional Music Instrument Photo
#7

MXR Bass Octave Bundle PS A1

Professional Bass Setup Bass Players Tone Enhancement
Key Feature:
This MXR Bass Octave Deluxe is a solid entry-level option for bassists wanting to explore sub-octave textures. It's surprisingly versatile thanks to the Growl and Girth knobs, letting you dial in everything from 80s-inspired synth bass to a deeper, more organic low-end. A great starting point for anyone curious about octave effects.
PROS
  • • Delivers a genuinely usable sub-octave tone, not just a muddy rumble.
  • • Growl and Girth controls offer surprising tonal shaping possibilities.
  • • MXR's robust build quality ensures reliable gigging performance.
  • • Bundle provides immediate octave functionality without needing separate units.
CONS
  • • Can introduce a bit of noise, especially at higher settings.
  • • The octave tone isn’t as pristine as some higher-end, dedicated octave modules.
  • • Size can be a factor on smaller pedalboards, requiring careful planning.
4.5/5 Expert Rating
Sound:
9/10
Build:
9/10
Value:
9/10
MXR Bass Octave Bundle PS A1 RB - Professional Music Instrument Photo
#8

MXR Bass Octave Bundle PS A1 RB

Bass Players Live Performance Tone Enhancement
Key Feature:
This MXR Bass Octave Bundle is a fantastic entry point for bassists looking to add some serious low-end thump and creative textures to their sound. The Growl and Girth knobs offer a surprising amount of tonal shaping, making it perfect for everything from 80s-inspired synth bass lines to adding weight to more modern grooves. It’s a solid, reliable pedal for gigging and studio work.
PROS
  • • Excellent low-end depth with the 'Girth' control for a powerful sound
  • • Growl knob adds crucial harmonic richness to the octave effect
  • • MXR's robust build quality ensures reliable performance over time
  • • The bundle provides immediate octave capabilities without additional purchases
CONS
  • • Can introduce muddiness at higher settings if EQ isn’t dialed in properly
  • • True bypass might be preferred by some for pristine signal integrity
  • • The octave range isn’t as extensive as some higher-end dedicated octave units
4.4/5 Expert Rating
Sound:
9/10
Build:
7/10
Value:
8/10
MXR M288 Bass Octave Deluxe - Professional Music Instrument Photo
#9

MXR M288 Bass Octave Deluxe

Bass Players Live Performance Studio Recording
Key Feature:
The M288 is a solid, affordable option for bassists looking to add some serious low-end punch and experimentation to their sound. The Growl and Girth controls really set it apart from simpler octave pedals, letting you sculpt the octave’s character. It's a great choice for players wanting 80s-inspired synth tones or just a little extra rumble.
PROS
  • • Growl control significantly improves octave tone realism and clarity.
  • • Girth knob offers substantial tonal shaping, from deep to synth-like.
  • • MXR’s robust build quality ensures durability for gigging bassists.
  • • Offers a versatile range of octave effects, from subtle to extreme.
CONS
  • • True bypass isn't present, potential for slight tone coloration.
  • • Can introduce muddiness at higher octave and Girth settings.
  • • Footprint is relatively large, may be an issue for smaller pedalboards.
4.6/5 Expert Rating
Sound:
7/10
Build:
7/10
Value:
7/10
MXR M 81 Bass Preamp - Professional Music Instrument Photo
#10

MXR M 81 Bass Preamp

Studio Recording Live Performance Tone Enhancement
Key Feature:
The MXR M 81 is a seriously useful little box for bassists. It’s got a clean DI out for recording or live sound, plus a flexible EQ section that lets you really dial in your tone. It’s a great option for gigging bass players who need a reliable preamp and DI in one pedal, especially those wanting to shape their low-end.
PROS
  • • Excellent EQ flexibility with parametric mids for precise shaping
  • • DI output is clean and robust, a great stage solution
  • • Solid MXR build quality; feels durable and ready for touring
  • • Input/Output controls allow for gain staging and level matching
CONS
  • • Can be a bit bulky for smaller pedalboards or gig bags
  • • Mid-frequency control range might be limited for some tonal needs
  • • Battery operation isn't ideal for long gigs; AC adapter recommended
4.7/5 Expert Rating
Sound:
8/10
Build:
8/10
Value:
8/10
MXR Bass Chorus Bundle PS A1 - Professional Music Instrument Photo
#11

MXR Bass Chorus Bundle PS A1

Bass-Specific Effects Tone Enhancement Professional Bass Setup
Key Feature:
This MXR Bass Chorus Bundle is a great entry point into chorus effects for bass players. The X-Over function is a real winner, keeping your low frequencies clear and defined while adding a lush, swirling texture. It's an ideal choice for session players or anyone wanting a reliable, versatile chorus effect without breaking the bank, and the included cover is a nice touch for protecting your investment.
PROS
  • • Solid MXR build quality; feels robust and ready for the road
  • • Bass-focused X-Over preserves low-end frequencies beautifully
  • • Versatile chorus tones, easily dialable from subtle shimmer to flanger-like swirl
  • • Protective cover is a genuinely useful, thoughtful inclusion
CONS
  • • Analog circuitry can be a bit noisy at higher intensity settings
  • • The flanger mode feels like an afterthought, lacks depth
  • • Size might be a constraint for smaller pedalboards – it’s a standard MXR housing.
4.5/5 Expert Rating
Sound:
7/10
Build:
7/10
Value:
7/10
MXR M84 Bass Fuzz Deluxe - Professional Music Instrument Photo
#12

MXR M84 Bass Fuzz Deluxe

Professional Bass Setup Bass Players Bass-Specific Effects
Key Feature:
The M84 Bass Fuzz Deluxe nails that classic, saturated fuzz tone – think vintage Ampeg SVT with a serious dose of grit. It’s a straightforward pedal, ideal for bassists chasing a specific, thick fuzz sound, especially those playing genres like doom, stoner, or psychedelic rock. The Dry blend is a real winner for adding warmth without losing your fundamental bass frequencies.
PROS
  • • Vintage-voiced fuzz delivers thick, woolly bass tones perfect for stoner rock.
  • • Dry blend control allows for subtle saturation or full-on fuzz.
  • • Robust MXR construction ensures durability for gigging musicians.
  • • Tone control offers a wide range, from dark and muddy to more articulate.
CONS
  • • Can get muddy at higher gain settings, especially with active basses.
  • • Limited versatility – primarily a fuzz pedal, not a broad tone-shaping tool.
  • • 9V battery operation can be inconvenient for extended gigs.
4.6/5 Expert Rating
Sound:
7/10
Build:
7/10
Value:
9/10
MXR M 83 Bass Chorus Deluxe - Professional Music Instrument Photo
#13

MXR M 83 Bass Chorus Deluxe

Bass Players Professional Bass Setup Tone Enhancement
Key Feature:
The M 83 Bass Chorus Deluxe is a seriously useful pedal for bassists wanting classic chorus sounds without losing the low-end punch. The X-Over feature is a game-changer, and the flanger mode is a nice bonus for adding some extra character. It’s a great choice for session players and gigging bassists who need a reliable and versatile chorus effect.
PROS
  • • Excellent bass-focused chorus tones, avoids muddy low-end issues
  • • The X-Over function preserves fundamental bass frequencies beautifully
  • • Robust MXR build quality; feels solid and reliable
  • • Flanger mode adds a surprisingly useful alternative texture
CONS
  • • Intensity control can be a bit too sensitive, requiring careful tweaking
  • • Stereo operation is internal, lacking a dedicated footswitch
  • • Chorus depth isn't as extreme as some boutique offerings.
4.5/5 Expert Rating
Sound:
8/10
Build:
8/10
Value:
8/10
MXR M 280 Vintage Bass Octave - Professional Music Instrument Photo
#14

MXR M 280 Vintage Bass Octave

Bass-Specific Effects Tone Enhancement Bass Players
Key Feature:
This M280 is a fantastic recreation of a classic MXR circuit, delivering a surprisingly clean and powerful sub-octave sound. It's a solid choice for bassists wanting to add some serious low-end thump to their sound, especially those leaning towards funk, dub, or heavier genres, and it's surprisingly affordable.
PROS
  • • Excellent tracking, even with fast basslines and complex rhythms.
  • • The MID switch provides crucial tonal shaping for clarity.
  • • Solid metal housing feels robust and gig-ready; reliable build.
  • • Dual sub-octave voices offer a wide range of low-end textures.
CONS
  • • Lacks battery operation, requiring a power supply – a modern inconvenience.
  • • The MID trimpot adjustment is internal, limiting fine-tuning.
  • • Can introduce some muddiness if not carefully dialed in with EQ.
4.9/5 Expert Rating
Sound:
7/10
Build:
8/10
Value:
7/10
MXR M 82 Bass Envelope Filter - Professional Music Instrument Photo
#15

MXR M 82 Bass Envelope Filter

Bass-Specific Effects Studio Recording Professional Bass Setup
Key Feature:
The M 82 is a fantastic recreation of the classic MXR 808 bass envelope filter. It nails that funky, percussive sound that defined 80s basslines. If you’re looking for that vintage vibe without the vintage price tag, this is a solid choice for funk, slap, and even some rock bass tones.
PROS
  • • Excellent auto-wah character, true to the original 808 bass circuit
  • • Robust aluminum die-cast enclosure provides lasting durability
  • • Intuitive controls allow for quick and precise envelope filter shaping
  • • Dry blend feature preserves bass frequencies and adds fullness
CONS
  • • Can be overly sensitive to pick attack, requiring careful gain staging
  • • Limited tonal range compared to more complex, digital envelope filters
  • • The 'Q' control can become overly aggressive quickly, losing clarity
4.8/5 Expert Rating
Sound:
9/10
Build:
7/10
Value:
8/10

How to Choose the Best Bass Pedals

1

Heritage & Design Philosophy

MXR's roots are in effects that add something, not just clean boosts. They lean into saturated, characterful sounds - think vintage amp tones and unique textures, rather than pristine, transparent processing. This isn't about sterile clarity.

2

Tone Characteristics

That's that distinct MXR vibe. It's often described as having a "forward" sound - meaning it cuts through a mix well, even with heavier distortion. The low-end is usually present, but can sometimes need a little tweaking to avoid muddiness, especially with overly aggressive settings. The mids are often where the magic happens - that fat midrange honk that really defines a bass tone.

3

Build Quality

These are generally solid pedals. The stompboxes are metal, the footswitches are reliable, and the pots feel decent. They're not boutique-level luxury, but they're built to withstand the rigors of gigging - something you can't always say about cheaper alternatives. The knob labels are often a bit small, though, which can be a pain in low light.

4

Versatility

MXR's bass pedals aren't just one trick ponies. While some are obviously designed for specific sounds (like the Bass Distortion+), many offer a surprising amount of tonal flexibility. You can dial in everything from subtle overdrive to full-blown fuzz, and often find usable sounds in between. The blend knob on some models is especially crucial for preserving your fundamental tone.

5

Signal Integrity

MXR pedals generally maintain good signal integrity, meaning you're not losing a ton of low-end or dynamics. However, pushing them into extreme distortion can sometimes introduce a little noise - a trade-off for that extra saturation. It's rarely a dealbreaker, but something to be aware of, especially if you're recording in a quiet environment.

Buying Guide

Don't expect pristine, transparent sounds from MXR. They're designed to add something, and that's where their strength lies. If you're after a subtle clean boost, look elsewhere. Pay attention to the blend knob - it's your friend for preserving the fundamental tone. Also, be prepared to spend some time dialing them in; they can be a little less intuitive than some other brands.

Our Methodology

We're not looking at spec sheets here. We're playing these pedals through a variety of basses - P-basses, Jazz basses, a few boutique instruments - into a couple of different amps, from a Fender Rumble to a GK 410. We've A/B'd them against industry standards, and most importantly, we've put them through the ringer in band rehearsals and simulated gig situations to see how they hold up under pressure.

Frequently Asked Questions

Most newer MXR bass pedals are true bypass, which means they don't color your tone when they're off. However, some older models might be buffered, so check the specs before you buy if that's a concern.
Absolutely. While designed for bass, many MXR pedals work great on guitar, especially for adding fuzz, distortion, or modulation. Just be mindful of the increased output and potential for muddiness on guitar, especially with higher gain settings.
The Bass Distortion+ is specifically voiced for bass frequencies, with a more pronounced low-end and a more controllable distortion response. The standard Distortion+ can work on bass, but it might be a little too harsh and thin.
Like any distortion pedal, MXR pedals can introduce some noise, especially at higher gain settings. It's generally manageable, but if you're recording in a very quiet environment, you might need to consider a noise gate.
It's tricky, but possible! Use the blend knob to retain your clean signal, and dial back the drive/distortion. Experiment with EQ settings to shape the tone and avoid muddiness. It's more about enhancing a clean tone than creating one from scratch.

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