Pricing and availability
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Average Price: $227
Standard/Professional
$150
$601+
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Price History
Based on price data from 1 merchant for "Subdecay M3". Prices shown reflect NEW condition. Tracking began Apr 7, 2026.
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Description
Dive into a new dimension of sound with the Subdecay M3 guitar synth pedal. This pedal is more than just an effects box; it's a portal to a universe of sonic possibilities. Designed for the adventurous guitarist, the M3 features three dynamic oscillators that allow you to sculpt mesmerizing soundscapes. With 11 oscillator presets and 11 algorithm resets, this pedal offers an extensive range of tonal options, empowering you to control filters, amplifiers, LFOs, and more.
The heart of the M3 lies in its fully analog filter with resonance control, delivering warm, organic tones that digital can't replicate. Intuitive controls for volume, resonance, parameters, oscillators, and algorithms give you the freedom to fine-tune your sound to perfection. With an LED indicator for effect status and a foot-switch for bypass, the M3 ensures seamless integration into your setup.
Built for the stage and studio alike, the M3 connects effortlessly with standard 6.3 mm jacks and operates on a 9-18 V DC power adapter. Proudly made in the USA, this pedal doesn't support battery power, emphasizing its commitment to robust performance.
Key Features:
- Monophonic synthesizer with 3 oscillators
- 11 Oscillator presets & 11 algorithm resets
- Fully analog filter with resonance control
- Controls: Volume, resonance, parameters, oscillators, algorithm
- LED effect on indicator and foot-switch bypass
- 6.3 mm Jack input and output
- Power adapter connection: 9-18 V DC (not included)
- Made in the USA
Product specs
| Available since | December 2019 |
| Effect Types | Synthesizer |
FAQs
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What type of power supply does the Subdecay M3 Mono Guitar Synthesizer require?
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The Subdecay M3 requires a standard 9V DC power supply with a negative center pin, commonly used for many guitar pedals.
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Can the Subdecay M3 Mono Guitar Synthesizer be used with a bass guitar?
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Yes, the Subdecay M3 can be used with a bass guitar, but the tracking and synth sounds are optimized for standard guitar frequencies.
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Does the Subdecay M3 offer polyphonic synthesis?
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No, the Subdecay M3 is a monophonic synthesizer, meaning it can only process one note at a time.
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How does the Subdecay M3 differ from traditional guitar effects pedals?
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Unlike traditional effects pedals that modify the guitar's signal, the Subdecay M3 generates synth tones by converting the guitar's input into synthesized sounds.
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Is the Subdecay M3 suitable for live performance?
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Yes, the Subdecay M3 is designed for live performance, offering intuitive controls and robust sound options for real-time use on stage.
Videos
R.J. Ronquillo
Subdecay M3 Guitar Synth pedal - demo by RJ Ronquillo
Reviews
PROS
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Produces powerful, wide analog synthesizer sounds
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Capable of bass, leads, and experimental tones with few controls
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Features a unique analog filter with self-oscillation
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Precise tracking, even with bendings
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Can produce experimental-charming "glitches"
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Enables recreation of old school analog sounds (Kraftwerk, Terminator, John Carpenter)
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Solid build quality with sturdy knob selection
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Highly compact design
CONS
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Requires adjustment in playing style, which needs practice
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Lacks an expression input for external control
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No presets, limiting on-the-fly sound changes
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Not easy to switch sounds during live performance
Owner Insights
We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Subdecay M3.
Features and functionality
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The M3 excels in filtering synthesis, offering a latency-free experience and avoiding digital artifacts common in other brands.
Source
Comparisons
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Unlike Boss SY1 and Roland GR, the M3 provides immediate control over the sound, enhancing the feeling of interaction with the guitar signal.
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Use cases and applications
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The Subdecay M3 is recommended for achieving filtering synthesis without needing special pickups or software.
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User experience
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Owners highlight that the M3 feels responsive to playing dynamics, providing a natural interaction compared to software-triggered effects.
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Based on 0 Reviews and 0 Ratings
Artist usage
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In this post from Underworld's Instagram account, Karl is holding his then recently-acquired M3 guitar synth.
Genre Usage
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