Bass Modulation Pedals

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  • 2 bit crusher
  • 17 chorus
  • 3 flanger
  • 2 filter
  • 5 phaser
  • 3 rotary
  • 2 ring modulator
  • 1 simulator
  • 8 tremolo
  • 5 vibrato
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True bypass

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  • 3 12 V
  • 1 18 V

Can be powered by battery

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  • 25 centre negative
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  • 26 barrel 2.1 mm (inner diameter)
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Whether your clean bass tone could do with a dose of atmosphere or your lightly distorted bass sound is screaming for a little depth, sticking a bass modulation effect pedal between your bass and your amp is an excellent idea.

The Three Most Popular Bass Modulation Effects

If you're on the verge of picking up your first bass guitar stompbox, then it's wise to start off with one of the three most popular modulators: chorus, flanger and phaser. At more civilised settings, chorus provides a wide bass sound with natural fluctuations in pitch, making it seem like there are two bass guitars. If you want to go one step further, go for a flanger effect. The original method of producing this effect involves two identical studio tapes that are played back with two identical tape machines, where one is slowed down by pressing down on the flange of one of the tape machines to create a delay. Phasers are another type of bass guitar effect that's capable of adding an extra dimension or movement to your sound. A phaser effect changes the phase of every second note, which can easily result in sweeping, aeroplane-like sound effects.

Vibrate or Shift Your Bass Sound

Besides the flavours already mentioned, there are various other interesting modulation pedals you can get for your electric or electro-acoustic bass. The oscillating sound of a vibrato effect is always a safe pick, especially if you're rocking a fretless bass. If you'd rather make your bass sound tremor in a different way, then be sure to browse through our tremolo pedals. Or, if your ears prick up the second you hear the rotating sound of a leslie cabinet hooked up to a deep-diving tonewheel organ, then by all means, grab a rotary-style effect pedal to flesh out your bass rig. For more bass effects, go to our range of Bass Pitch Shifters, Bass Filter Effects or Bass Fuzz Pedals.

Mooer LoFi Machine

The Mooer LoFi Machine treats you to sounds other bassists, keyboard players and guitarists won't be able to produce. This sample reducing pedal produces great electronic sounds by adjusting bit and hertz levels.

In stock
In stock
Order before 9:00pm = receive it on Friday
Recommended price £103
£57

Keeley Hydra Stereo Reverb/Tremolo Effect Pedal

Keeley blend studio quality reverbs, tremolos, and a tasteful vibrato in one solid, true bypass stompbox driven by the same Dream DSP as the legendary Eccos. This is the tone-drenching Hydra.

In stock
In stock
Order before 9:00pm = receive it on Friday (free)
Recommended price £359
£245

Aguilar Grape Phaser II Bass Guitar Effect Pedal

In the illustrious world of bass, Aguilar are the one to rule them all. Delivering nothing but high-quality, organic feeling sound, the swelling modulation that can be sculpted by the Grape II is nothing short of delicious.

Temporarily unavailable
Temporarily unavailable
Recommended price £276
£231

Ampeg Liquifier Analog Chorus effects pedal

Ampeg's Liquifier is an analogue chorus effects pedal suitable for guitar and bass. It has a dual circuit design which gives you dreamy chorus effects or a rich, lush sound that'll take you to another dimension.

Temporarily unavailable
Temporarily unavailable
Recommended price £119
£92

Boss MD-500 Modulation effects pedal

BOSS's MD-500 Modulation effects pedal can probably best be described as a monster mod machine! It's a multi-stompbox packed full of the latest technology that delivers authentic, classic vintage sounds.

Temporarily unavailable
Temporarily unavailable
Recommended price £494
£366

Suhr Jack Rabbit Black Pedal Tremolo

Temporarily unavailable
Temporarily unavailable
Recommended price £336
£281

Electro Harmonix Key 9 Electric Piano Machine

Make your guitar sound like a (digital) piano using the Electro Harmonix Key 9 Electric Piano Machine. It's fully analogue, stereo and offers no fewer than 9 different, highly realistic piano sounds.

Temporarily unavailable
Temporarily unavailable
Recommended price £245
£199

Boss CEB-3 Bass Chorus

<p>Boss's CEB-3 Bass Chorus pedal has been specifically developed for bass guitar. Its Effect, Level, Rate, Depth and Filter knobs allow you to set the parameters to your personal preferences.</p>

Temporarily unavailable
Temporarily unavailable
Recommended price £112
£95

Mooer Ensemble Queen Bass Chorus

Mooer's Ensemble Queen is a compact, studio-quality chorus effects pedal for bass guitar designed to perform optimally in the low frequency range.

Temporarily unavailable
Temporarily unavailable
Recommended price £90
£50

MXR M83 Bass Chorus Deluxe effect pedal for bass guitar

The Bass Chorus Deluxe is a pedal from MXR's Bass Innovations series. It produces an amazing chorus and flanger, withouth jeopardising the bass or punch of your sound.

Temporarily unavailable
Temporarily unavailable
Recommended price £237
£189

Boss CE-5 Chorus Ensemble

The BOSS CE-5 Chorus Ensemble is a compact effects pedal with a wide frequency range, high-cut and low-cut filters. It produces any type of chorus from mild and natural to bright, strong stereo effects.

Temporarily unavailable
Temporarily unavailable
Recommended price £112
£95

Way Huge WM61 Smalls Blue Hippo Analogue Chorus Effect Pedal

If you miss the lush, sultry chorus that the Way Huge Blue Hippo is able to yawn out, but only have a teeny-tiny gap left on your pedalboard, then the WM61 Smalls gives you the mini-hippo you've always dreamt of.

Temporarily unavailable
Temporarily unavailable
Recommended price £216
£169

EBS UniChorus Studio Edition Analogue Chorus / Flanger

When it comes to bass guitar effects, EBS is the go-to for many a professional player. That actually includes Jeff Berlin, who's clearly in love with the UniChorus. This is the improved True Bypass Studio Edition.

Temporarily unavailable
Temporarily unavailable
Recommended price £220
£164

Foxgear Knee Trembler Guy Pratt Signature Tremolo

Foxgear and none other than Guy Pratt have been itching to introduce the Knee Trembler. With a unique LFO under the hood, this plucky little stompbox packs surprisingly elastic tremolo sounds!

Temporarily unavailable
Temporarily unavailable
Recommended price £118
£70

Electro Harmonix Bass Clone Bass Chorus Effect Pedal

A near-replica of the classic Electro Harmonix Small Clone chorus but specially tuned up for the bass, this wee pedal weaves tight and focussed bass tone with a full and fat low-end and sparkling high-end. True bypass. Battery included.

Temporarily unavailable
Temporarily unavailable
Recommended price £80
£66

Walrus Audio Janus Fuzz / Tremolo Pedal with Joystick Control

Super-simple yet devastatingly effective, the Walrus Audio Janus is home to a tremolo section on one side and fuzz section on the other, both with a big foot-controllable joystick planted in the middle.

Temporarily unavailable
Temporarily unavailable
Recommended price £389
£281

Boss BF-3 Flanger

The BOSS BF-3 Flanger is an effects pedal that offers classic flanger effects in full stereo. The Ultra and Gate/Pan modes create a stereo flanger effect with unprecedented depth including Slicer effects.

Temporarily unavailable
Temporarily unavailable
Recommended price £143
£119

Boss CH-1 Super Chorus

The BOSS CH-1 Super Chorus is an effects pedal that produces classic chorus effects that have been embraced by guitarists all over the world for decades. Think crystal clear trebles and a unique stereo mode effect.

Temporarily unavailable
Temporarily unavailable
Recommended price £112
£97

Crazy Tube Circuits Cyclone Phaser Effects Pedal

Temporarily unavailable
Temporarily unavailable
Recommended price £227
£157

Source Audio SA251 UltraWave Multiband Bass Processor Overdrive/Tremolo

While the Source Audio UltraWave Multiband Processor does sit on the edges of overdrive and tremolo territory, this is a tried-and-tested stompbox of far more advanced potential.

Temporarily unavailable
Temporarily unavailable
Recommended price £357
£227

Red Panda Bitmap 2 Digital Bitcrusher & Sample Rate Modulation

The Red Panda Bitmap V2 bit-crusher uses sample-rate modulation, so after chomping up the signal and spitting out a bit-rate of 24 or lower, a unique algorithm coats it in sweet warmth.

Temporarily unavailable
Temporarily unavailable
Recommended price £443
£307

Foxgear Ballade '80s Analog Chorus Effect Pedal

Temporarily unavailable
Temporarily unavailable
Recommended price £119
£87

Foxgear XYZ Waves Multi-Modulation Algorithm Platform Effect Pedal

Whether you're running out of pedal board space or simply prefer a compact set-up with more than enough modulation effects, the XYZ Waves gives you five of Foxgear's best guitar sounds to date.

Temporarily unavailable
Temporarily unavailable
Recommended price £167
£99

Aguilar Chorusaurus II Bass Guitar Effect Pedal

Exclusively calibrated for the bass, the guts of the mighty Aguilar Chorusaurus are made up of fully analogue Bucket Brigade tech - resulting in lush, organic and enormous chorus sounds.

Temporarily unavailable
Temporarily unavailable
Recommended price £342
£281

Beetronics Seabee Harmochorus

Since it comes stamped with the Beetronics name and adorned with sweet, steampunk-style graphics, you already know that this is no ordinary chorus pedal. Meet the intrepid Beetronics Seabee.

Temporarily unavailable
Temporarily unavailable
Recommended price £455
£379

Death By Audio Space Bender Chorus / Modulator Effects Pedal

Are you one of those chorus-pioneers who loves to venture into different sonic dimensions with your guitar, bass or synth? If that's a yes, you'll definitely want to check out the Death By Audio Space Bender chorus/modulation stompbox.

Temporarily unavailable
Temporarily unavailable
Recommended price £356
£307

Kernom Elipse Modulation Effect Pedal

The Kernom Elipse single-handedly pushes classic modulation to another level. Flow seamlessly between analogue effects via this revolution of a stompbox and gain dominant creative power.

Temporarily unavailable
Temporarily unavailable
Recommended price £366
£309
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