Available for pre-order. Expected late July

Turn your bass into a filthy funk machine with the MXR Bass Synth. It serves up intergalactic grooves and vintage analogue-style vibes with a range of monophonic synth tones that call back to hits from Stevie Wonder, Michael Jackson, Parliament Funkadelic, and more. Designed with low-end professor and tone connoisseur Ian Martin Allison, this powerhouse of a pedal offers thunderous sub-octave, expressive envelope, and lush modulation effects with killer tracking and sustain.

Key Features

Recreate the classic monophonic analogue-style bass synth tones found on the biggest hits and most influential songs of the ‘70s, ‘80s and ‘90s.
Designed to work seamlessly with guitar and bass, covering everything from the thunderous low B on a 5-string bass, all the way to the highest note on a 24-fret guitar.
Effortlessly shape your bass synth sounds with the MXR Bass Synths' plethora of intuitive controls. Save and recall up to 8 sounds for instant sound design on the fly.

Funk it up

Dig into your groove with a full, player-friendly suite of controls to shape every detail of your bass synth tone. The Sub Mix knob sets how much of the sub octave is blended with the main synth signal so that you can go as fat and low as you want. The Mod knob brings shimmering liquid tones, from subtle, musical motion to bold, mind-bending pulses—while the Envelope knob sets the filter response from rubber band bounce to slow, syrupy sweeps. Mix, Cutoff, and Resonance knobs help you dial in the perfect tone and feel for your setup—blend dry and wet signals, set filter cutoff frequency, and boost that frequency for extra punch. Finally, the Voice button adds additional harmonically tuned oscillators for more complex tones while the Shape button selects your preferred waveform: smooth and subtle triangle, rich and aggressive sawtooth, or fat and punchy square.

Pre-funk

If you want to skip the set-up and get right down to it, then we have eight different presets designed by Ian Martin Allison to plug you straight into the groove. Each is inspired by classic synth tones, from those heard on Michael Jackson’s “Thriller” and Herbie Hancock’s “Chameleon” to Peter Gabriel’s “Sledgehammer” and Nine Inch Nails’ “Head Like a Hole.” Cycling through them is as simple as pressing the Preset button.

Dig Deeper

For the true bottomologists out there, the MXR Bass Synth features a number of additional parameters, from oscillator and modulation mix to compression and tracking style. You can also run the pedal in stereo output mode, use an off-board switch such as the MXR Split + Tap or Tap Tempo Switch to cycle presets, use a Volume (X)™ Series Pedal to blend setting configurations, and more.

Go forth and get nasty

Whether you’re replicating pop hits in a cover band, holding down the low end at church, or touring the world, this pedal gives you instant synth bass magic. Get down on the one with the MXR Bass Synth. Intergalactic grooves and vintage analogue-style vibes reminiscent of your favourite funk hits. Designed in collaboration with Ian Martin, Allison Thunderous sub-octave, expressive envelope, and lush modulation effects Killer tracking and sustain Eight different presets to plug you straight into the groove. Three different waveforms, additional oscillators, tap and expression control, and more.

Specifications

Input Impedance: 1MΩ
Output Impedance: 100 Ω
Maximum Input Level: +5 dBV
Noise Floor: -97 dBV
Current Draw: 330 mA
Power Supply: 9 volts DC (included)

MXR MB301G1 Bass Synth