Best Sellers

Top products on Reverb over the past 90 days

Best Sellers in Effects and Pedals - Guitar Synths

  • 1

    MXR MB301 Bass Synth

    65 available from $239.99
  • 2

    Boss SY-1 Synthesizer

    100 available from $134
  • 3

    Electro-Harmonix MEL9 Tape Replay Machine

    83 available from $169
    Fans of the distinctive sounds of the Mellotron can rejoice: Electro-Harmonix has released the MEL9, a tape replay machine that emulates some of the Mellotron’s most popular sounds. From “Strawberry Fields” to OK Computer, the Mellotron has graced many of your favorite tracks, and now you can get the keyboard’s flute sounds, clarinet, orchestra, low choir, strings, and more on your pedalboard. With excellent tracking, the MEL9 can handle all of the bends, slides, and even dive bombs you throw at it. Pick your favorite sound, modify it with the Dry, Effect, Attack, and Sustain knobs, and you’ve got yourself some classic Mellotron Vibes, courtesy of the MEL9.
  • 5

    Source Audio C4 Synth

    51 available from $189.99
  • 6

    Electro-Harmonix B9 Organ Machine

    101 available from $149
    With the Electro-Harmonix B9 Organ Machine, authentic vintage organ tones are just a lead or chord away. This stompbox seamlessly adds the sound of an old Hammond and many other organs to your guitar rig in a way that only the wizards at Electro-Harmonix could cook up.
  • 7

    Boss SY-200 Synthesizer

    43 available from $250
  • 9

    Electro-Harmonix Superego Synth Engine

    85 available from $89.99
    Taking their already landmark Freeze effect to the next level, the EHX Super Ego will hold and sustain a note or chord forever. But unlike it's little brother, the Super Ego can automatically track and change notes along with your playing, to shift the sonic exploration to new and exciting levels.
  • 10

    Electro-Harmonix Micro Synth

    51 available from $220
    The Electro-Harmonix Micro Synth is an all-analog guitar synthesizer pedal, emulating the sounds of old classic keys as well as your own left-field creations. With ten sliders, four voices, and a resonant filter, you can create all the funked-out tones you could ever dream up with the EHX Micro Synth pedal.
  • 11

    Meris Enzo X

    23 available from $480
  • 12

    Meris Enzo

    51 available from $152
    From the sonic adventurers at Meris, the Enzo is a synth pedal that can transform your guitar signal into a myriad of different textures, voices, and sounds. Based around two oscillators with selectable waveforms, the Enzo has multiple envelope types, Mono, Poly, and Arpeggiated synth modes, and a sweeping range of other tunable options and settings. While the learning curve can be a little steep, the Enzo should be at the top of the list for those seeking an unrivaled experience in the realm of synth pedals.
  • 13

    Electro-Harmonix C9 Organ Machine

    81 available from $145
    The Electro-Harmonix C9 Organ Machine builds on the popularity of the B9 Organ Machine with nine new organ models, offering unbelievably realistic keyboard tones through your guitar.
  • 14

    Electro-Harmonix Synth9 Synthesizer Machine

    89 available from $175
    The Synth9 from Electro-Harmonix is a pedal that transforms your guitar or bass signal into the sounds of nine different synthesizers. With different presets of '80s leads, enveloping pads, funky bass synths, and beyond, the Synth9 is the perfect pedal for guitarists who need to handle the synth parts in a cover, or those who just want to get a little weird with their sound design. In addition to volume controls to blend your dry guitar signal and the synth effect, this pedal also has two "CTRL" knobs that adjust two parameters for each individual synth mode. For similar pedals in this series, see the EHX C9 and B9 organ pedals, the Mel9 Mellotron-style pedal, and the Key9 electric piano pedal.
  • 15

    Electro-Harmonix Superego Plus Synth Engine/Multi Effect

    46 available from $180
    Expanding on the formidable synth-shaping capabilities of the original with a full 11-part effects section, dedicated expression controls, and four Freeze modes, the Electro-Harmonix Superego Plus is a new bar for synth/modulation pedals. Accentuate the polyphonic lead, bass, and pad tones with dedicated onboard effects like delay, rotary, and flange, or kick in the Live Mode to deactivate the synth engine and use the Superego Plus as a dedicated effects command center. A formidable sidekick for guitar, bass, and keys.
  • 17
  • 18

    Hologram Electronics Infinite Jets Resynthesizer

    3 available from $200

    Built with two independent sampling channels with infinite sustain and four unique modes for creating sounds from atmospheric pads to glitchy drones to an '80s synth, the Hologram Electronics Infinite Jets Resynthesizer provides a pedal experience like none other on the market.


    • Controls: Drive, Dry, Env Shape/LFO Shape, Env Time/LFO Freq, Dimension/LFO Depth knobs, 12-position Voice selector, three-way trigger switch

    • Modes: Blur (frequency freezing with +1, -1, and +/-1 octaves), Glitch (looped fragments with fixed or random loops), Synth (DSP-powered synths in digital or chorus functions), Swell (volume manipulation with waveshaping options)

    • Dimension Knob: Unique to each setting. Space/Feedback (Blur and Swell), Filter Cutoff (Synth), Sample Length/Selector (Glitch)

    • Other Features: Automated control, two user presets, onboard LFO and envelope generators, analog drive w/ digital control, expression pedal input
  • 19

    Electro-Harmonix Bass9 Bass Machine

    75 available from $189.99
  • 20

    Boss GM-800 Guitar Synthesizer

    23 available from $540
  • 21

    Roland GR-55 Guitar Synthesizer

    14 available from $475
    When you don't have room on stage for a synth, just put it on the floor. The Roland GR-55 is a powerful guitar synthesizer with thousands of synth, guitar, and bass voices in an enormous built-in library, perfect for metal, fusion, and rock.
  • 22
  • 23

    Roland GR-55S Guitar Synthesizer

    7 available from $600.49
  • 24

    Roland GR-20 Guitar Synthesizer

    7 available from $203.39
    To create guitar synth sounds with ease, just attach a Roland GK 3 pickup, plug in to the Roland GR-20 guitar synthesizer, and play. Tons of pre-loaded sounds, like flute, saxophone, and percussive loops amongst countless others, come stock with the GR-20 and a few quick-editing knobs let you adjust attack, release, chorus, and more effects. Lightning-fast tracking takes place through digital pitch detection so you'll always sound on point.
  • 25

    Boss SY-1000 Guitar Synthesizer

    28 available from $742
  • 26

    Pigtronix Space Rip

    37 available from $74
    The Space Rip PWM Guitar Synth offers analog pulse-width modulation via sawtooth or square waves, in multiple octaves. This means you can create huge, gnarly bass synth tones right from your guitar, or modulate your signal within the standard guitar frequency range too. Thanks to the Space Rip's quick tracking, its onboard oscillator will follow your playing no matter how quick.
  • 27

    Korg Miku Stomp

    7 available from $700
    Based on the popular Hatsune Miku singing synthesizer software, the Korg Miku Stomp features eleven lyric patterns for synth guitar modulation. The pedal is also compatible with an iPhone app for downloading an extended library of lyric patterns.
  • 28

    Roland GR-33 Guitar Synthesizer

    12 available from $189
    The Roland GR-33 Guitar Synthesizer brings together an entire battalion of sounds from a company famous for its prowess in synthesis. Packing 384 instrument samples taken from the Roland JV-1080 synth module, the GR-33 can go from a metallic FM synthesis to an organic, pulsing analog tone with a little bit of toggling. Throw in a dedicated effects sections for chorus and reverb with an additional 40 effects like rotary and phasing, this is a command center of tone at a price musicians can get behind.
  • 29

    Red Panda Bitmap 2

    12 available from $329
  • 30

    Roland VG-88

    7 available from $230.92
    The VG-88 is a guitar/amp modeling system built with 200 presets, COSM modeling technology and polyphonic pitch shifting.
  • 31

    Mooer E7 Synth 2020

    7 available from $70
  • 32

    Gamechanger Audio Motor Pedal

    13 available from $339.15
  • 33

    Roland VG-99

    10 available from $475
    The Roland VG-99 is a guitar multi-effects unit built with a dual engine for running two modeling effects simultaneously.

    Features: guitar to MIDI capability, dual GT Pro Class processor, USB compatible
  • 34

    Roland VG-8

    2 available from $1,100
  • 35

    Roland GR-30 Guitar Synthesizer

    6 available from $198
  • 36

    Boss GP-10 Guitar Processor

    One available for $399
    The Boss GP-10 Guitar Processor employs a streamlined USB/MIDI interface, compatible GK guitar pickup, and a built-in analog guitar synthesizer for an absolute command station of guitar tone. Powered in tandem by Digital Signal Processing (DSP) and Composite Object Sound Modeling (COSM) technology to serve up sounds from a 12-string to two-octave drop to custom tunings, the GP-10 compounds decades of guitar gear into a single floor unit.
  • 37

    Panda Audio Future Impact V4

    One available for $330
  • 38

    Roland VG-8EX

    One available for $1,140
  • 39

    Pladask Elektrisk Baklengs

    2 available from $499
  • 40

    Roland GR-50 Guitar Synthesizer

    9 available from $190
  • 42

    Roland GR-1 Guitar Synthesizer

    9 available from $67.37
    The Roland GR-1 guitar synthesizer offers 200 PCM tones as well as digital effects and up to four different timbres of sound. The GK-2A divided pickup mounts on the guitar, allowing for uniquely synthesized tones from the guitar.
  • 43

    Roland GR-09

    2 available from $110

    The Roland GR-09 Guitar Synth controller is a simplified version of their GR-33 synth multieffects unit, intended for pairing with the GK-2A synth pickup. 
  • 44

    Roland GR-55S Guitar Synthesizer

    4 available from $480
    The Roland GR-55S Guitar Synthesizer collates the sounds and power of a decked-out synthesizer into a nifty package that can literally be laid at your feet. Consisting of three pedals for real-time control with an onboard volume/expression pedal, the GR-55 brings together over 900 of Roland's best PCM sounds from organ to keys to synth. Not just a guitar-centric synth, this model's addition of over 50 effect and amp emulations, this can be
  • 45

    PastFx PX-251 Control Processor

    One available for $222.72
  • 46
  • 47

    Roland V-Bass

    2 available from $385
  • 48

    Boss WP-20G Wave Processor

    3 available from $209
  • 49

    Electro Faustus EF202 Theremorph

    3 available from $79.95
  • 50

    Broughton Audio Synth Voice

    4 available from $169
  • 52

    Roland GR-S V-Guitar Space

    2 available from $160
    The Roland GR-S V-Guitar Space pedal is compatible with any guitar with the Roland GK-3 Divided Pickup, and offers synthesizer and modulation capabilities for the guitar.

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