MXR MB301 Bass Synth Effects Pedal Gray

The MXR MB301 Bass Synth effects pedal transforms your bass into a vintage-inspired groove machine, blending classic analog-style textures with modern versatility. Designed in collaboration with low-end tone authority Ian Martin Allison, this pedal delivers a rich spread of monophonic synth textures that channel the spirit of funk legends like Stevie Wonder, Parliament Funkadelic and Herbie Hancock. Whether you're after a thunderous sub-octave thump, slippery envelope sweeps or shimmering modulation, the Bass Synth responds with tight tracking and responsive sustain. For players who want to jump straight into vintage synth territory, the Bass Synth's eight presets—each inspired by iconic tracks—provide instant gratification. From the studio to the stage, this pedal delivers synth bass magic with deep customization options and performance-ready flexibility.

Sub-Octave and Envelope Controls for Dynamic Tones

The MXR Bass Synth is designed to help you dial up the funk and dig into your signature sound with a full suite of intuitive controls that deliver everything from thunderous low-end growls to elastic retro sweeps. The Sub Mix blends the sub-octave with the main synth signal, letting you dial in a fat, room-shaking foundation. The Envelope knob adjusts the filter response, offering everything from snappy, percussive textures to smooth, sweeping transitions. These controls allow players to create distinct and dynamic tones that are ideal for both rhythmic grooves and melodic lines. Together, they provide a versatile tonal palette tailored for bassists looking to add new dimensions to their sound.

Selectable Waveforms and Oscillators for Custom Sound Design

At the heart of this pedal's synth power are its waveform and oscillator options. The Shape button lets you toggle between triangle, sawtooth and square waves, each offering a unique tonal character—smooth and subtle, rich and aggressive or fat and punchy. Paired with the Voice button, which adds harmonically tuned oscillators, these features give you the ability to create layered, complex synth textures. The result is a full-spectrum synth sound with a playing response that feels tight and expressive. Whether you're conjuring vintage analog-inspired sounds or blasting off into futuristic funk tones, the Bass Synth is all about expanding your sonic possibilities.

Intuitive Presets Inspired by Iconic Bass Synth Sounds

For players who want to jump straight into legendary tones, the MXR Bass Synth offers eight expertly crafted presets. Inspired by classic tracks like Michael Jackson's "Thriller" and Herbie Hancock's "Chameleon," these presets provide immediate access to iconic bass synth sounds. Switching between them is as simple as pressing the Preset button, making it easy to adapt your tone mid-performance. These preconfigured settings serve as a launchpad for experimentation, allowing you to tweak and customize to suit your needs. With these presets, the pedal becomes an instant gateway to the sounds of your favorite hits.

Built for Pro-Level Bass Performance With Advanced Functionality

Designed to meet the demands of modern bassists, this pedal includes smart features like stereo output capability, off-board switch compatibility and expression pedal integration. These advanced functionalities allow players to seamlessly incorporate the Bass Synth into complex rigs and live setups. The pedal also includes additional parameters for fine-tuning compression, modulation and tracking, ensuring it performs flawlessly whether on stage or in the studio. Its robust build and thoughtful engineering make it a reliable tool for professional musicians who need consistent, high-quality performance under demanding conditions.

Unleash the Funk With the MXR Bass Synth

Whether you're recreating classic synth lines, exploring futuristic textures or just looking to funk up your sound, the MXR Bass Synth delivers serious sonic heat. With its analog-style tone, tight tracking and stage-ready flexibility, it's a powerful tool for sonic explorers, creative bassists and tone-obsessed gigging musicians. Add the Bass Synth to your rig and let your low end speak in a whole new language—this pedal is your passport to the groove.