AudioFuAudioFu Chart · October 2026
Best Synthesizer Modules for Advanced 2026
The top pick is Strymon SuperKar+ 32-Voice String Synthesis Module ($480). Erica Synths Pico Voice gives you the most for the money at $156. Verbos Electronics Sawtooth Stack leads the high end. Ranked by the AudioFu Index from 16 models across 14 brands, prices checked every night.
Last updated: October 15, 2026
Top 10
Full detail for the 10 highest AudioFu Index scores. Every other model is listed below.
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Strymon SuperKar+ 32-Voice String Synthesis Module
SuperKar+ · Strymon
26 for sale on Reverb1 finish at Thomann
This module gives you 32 voices to play realistic strings and winds. You can run solo lines or generate chords with external control. It needs a power supply and fits in tight cases.
Pros
- 32-voice polyphony handles complex arrangements effortlessly.
- Dual independent engines separate solo lines from chords.
- Realistic string, wind, and percussion sounds out of the box.
Cons
- Harmony selection relies on V/Oct CV which needs external setup.
- No built-in power supply requires a dedicated Eurorack power unit.
76AudioFu
IndexStableno change since Aug 17Aug 17$480 now$480€429 at Thomann · in stockCheck price ↗ -
The Sawtooth Stack is a powerhouse for creating lush, evolving soundscapes. It’s a truly unique voice – the discrete oscillators and flexible harmonics section create sounds you just won’t find elsewhere. This module is a dream for experimental sound designers and anyone seeking a distinctive West Coast character in their modular setup.
Pros
- Discrete oscillators deliver a uniquely rich, complex, and harmonically interesting sound.
- Harmonics section allows for nuanced timbre shaping from pure sine to aggressive sawtooth.
- Spread control offers incredible stereo width and movement, ideal for evolving textures.
Cons
- The price point places it firmly in the premium-priced modular category.
- Limited modulation destinations may require additional modules for complex sequencing.
52AudioFu
IndexStableno change since Aug 14Aug 14$984 now$984€879 at Thomann · in stockCheck price ↗ -
The Jomox Mod FM is a serious FM powerhouse for Eurorack enthusiasts. It delivers a rich, complex sound palette with a surprisingly intuitive interface, making it ideal for sound designers and electronic music producers wanting deep FM capabilities without extreme complexity. This is a great option for those wanting a self-contained FM engine.
Pros
- Robust metal chassis feels incredibly solid and well-built
- Dual filter design offers immense tonal flexibility and character
- Extensive LFO waveforms provide complex and nuanced modulation
Cons
- Power draw is considerable, requiring a robust PSU
- Encoder layout could be more intuitive for quick parameter adjustments
45AudioFu
Index↓ 4.9%since Aug 14 · lowest so far$1,117 · Aug 14$1,062 now$1,062€949 at Thomann · in stockCheck price ↗ -
The Atlantix is a powerhouse of a module – a complete voice crammed into a relatively small space. It's ideal for experienced modular users wanting a versatile, self-contained sound source with rich modulation options, or those looking to build a focused, powerful patch without needing a ton of extra modules. Just be prepared to dig in and learn its intricacies.
Pros
- Dual VCOs offer incredible sonic flexibility and complex modulation possibilities.
- The multimode filter provides a wide range of tonal shaping options, from subtle to aggressive.
- The built-in Sample & Hold adds instant, engaging textural movement to your sounds.
Cons
- The Atlantix's power draw can be a limitation in smaller, power-constrained racks.
- The learning curve is steep for those unfamiliar with modular synthesis concepts.
43AudioFu
IndexStableno change since Aug 14Aug 14$894 now$894€799 at Thomann · in stockCheck price ↗ -
The SED-CSM is a powerhouse in a compact form factor, perfect for experimental sound designers and those craving a gritty, vintage analog vibe. Its discrete architecture gives it a distinct sonic character that’s immediately engaging, offering a ton of modulation and creative routing options for anyone looking to build a focused, character-rich voice in their modular system.
Pros
- Discrete oscillators deliver a raw, characterful analog warmth.
- The 24dB low-pass filter offers excellent sculpting potential with overdrive.
- Comprehensive modulation options with two LFOs and ADSR envelopes.
Cons
- 36HP footprint can be limiting in smaller Eurorack cases.
- The discrete design means a relatively high power draw, impacting available slots.
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The Oneiroi is a quirky little gem for experimental sound design. It’s perfect for those who love sculpting evolving textures and unusual soundscapes – think ambient artists or anyone wanting to add a unique digital flavor to their modular setup. It’s not a powerhouse, but it's a remarkably creative and fun voice.
Pros
- Unique sound sources create textures unavailable elsewhere.
- The looper's variable start/end point adds expressive possibilities.
- Resonator section provides surprisingly nuanced and characterful effects.
Cons
- 5-second looper limits complexity for longer phrases.
- Digital nature can feel sterile without careful parameter tweaking.
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This module lets you build eight different sounds at once, each with its own noise generator and effects. You can split the voices however you like and control everything with MIDI. It works well as a compact studio tool or a sidekick for your rack.
Pros
- Eight distinct synthesis types for varied sound creation
- Full voice division allows unique part configurations
- Integrated noise generator adds texture to every voice
Cons
- No dedicated audio input for external sample playback
- Master bus effects lack dedicated mixing or routing options
55AudioFu
IndexStableno change since Aug 17Aug 17$435 now$435€389 at Thomann · in stockCheck price ↗ -
This module mixes a digital brain with an analogue signal path for a flexible sound. It offers three engines, including a deep wavetable section and FM algorithms, plus a built-in envelope with loop modes. It fits well for players who want classic, wavetable, and FM sounds in one box.
Pros
- Hybrid design blends digital core with analogue signal path
- Three distinct synthesis engines: Classic, Wavetable, and FM
- Wavetable engine holds 32 tables with eight waves each
Cons
- No specific filter Q or cutoff range details provided
- No listed power consumption or rack depth measurements
43AudioFu
IndexStableno change since Aug 17Aug 17$469 now$469€419 at Thomann · in stockCheck price ↗ -
Doepfer A-111-6 Miniature Synthesizer Voice
A-111-6 Vintage Edition · Doepfer
6 for sale on Reverb2 finishes at Thomann
The A-111-6 Vintage Edition is a fantastic entry point into modular synthesis, offering a classic, warm sound reminiscent of early European synths. It's a solid foundation for a basic voice, perfect for those wanting a vintage vibe without the complexity of modern modules. Ideal for beginners or those building a focused, character-driven system.
Pros
- Classic Doepfer build quality: robust metal chassis and reliable components
- Versatile VCO waveforms offer a wide range of sonic possibilities
- The 24dB filter provides a warm, resonant vintage character
Cons
- Limited modulation options compared to modern modules
- Vintage-style components may exhibit slightly higher noise floor
77AudioFu
Index↓ 9.1%since Aug 14 · lowest so far$245 · Aug 14$223 now$223€199 at Thomann · in stockCheck price ↗ -
The Pico Voice is a seriously clever little module – you get a surprising amount of sonic territory crammed into just 3HP. It’s perfect for experimental sound design, adding unique textures to a larger modular system, or for someone just starting out and wanting to explore a wide range of synthesis techniques without a massive investment.
Pros
- Remarkable sound palette for its size, incredibly versatile algorithms
- Impressive sound quality, especially the TB-303 emulation
- Tiny footprint, ideal for dense modular setups
Cons
- Limited parameter control per algorithm, requiring external modulation
- 3HP width demands careful panel planning and space management
68AudioFu
IndexStableno change since Aug 14Aug 14$156 now$156€139 at Thomann · in stockCheck price ↗
All 16 synthesizer modules
Same index, same nightly prices — compact. Colour options of one model share a row. Tap a photo to zoom.
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Erica Synths Bassline DB-01 DesktopBassline · Erica Synths68Stable$391€349$391€349Check ↗
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Doepfer A-111-5 Mini Synthesizer VoiceA-111-5 Synthesizer Voice · Doepfer · 2 finishes67Stable$324€289$324€289Check ↗
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Behringer 110 VCO/VCF/VCABehringer47↓ 8.5%$60€54$60€54Check ↗
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Bastl Instruments Citadel AlchemistBastl Instruments43Stable$279€249$279€249Check ↗
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Dreadbox TelepathyDreadbox43Stable$301€269$301€269Check ↗
- 16
ADDAC 107 Acid SourceADDAC35↑ 14.4%$268€239$268€239Check ↗
Synthesizer Modules by the numbers
Measured across all 19 models we track, not a sample.
Median $391 — half of all synthesizer modules here cost less.
How to choose the best synthesizer modules
Modulation Depth & Complexity
Advanced players want more than simple LFOs. We're talking stepped function generators, complex logic modules, and attenuators/attenuverters that let you shape modulation in nuanced ways. That 'fat midrange honk' doesn't just happen; it takes careful modulation sculpting.
Routing Flexibility
Patching is the point, right? Modules with multiple inputs/outputs, built-in mixers, and sophisticated routing options are essential. You need to be able to send audio and CV signals where they need to go - and sometimes in unexpected ways.
Signal Path Character
A pristine, transparent signal path is fine for some things, but advanced synthesis often demands character. Distortion, waveshaping, and unique filtering topologies can add grit, warmth, or a truly bizarre edge to your sounds - and that's what makes it interesting.
Hands-On Playability
A module can be technically brilliant, but if it's a pain to use live, it's not practical. Knobs need to be well-spaced, response needs to be predictable, and the overall interface should inspire experimentation, not frustration. Nothing kills a jam faster than fumbling with a module mid-song.
Noise Floor & Headroom
Low noise is crucial, especially when layering multiple modules. You don't want your intricate patch drowned out by hiss. Similarly, adequate headroom prevents clipping and preserves dynamic range - vital for punchy basses and shimmering leads that cut through the mix.
Buying guide
So, you've conquered basic modular synthesis and are looking to really push your patching skills? You're past oscillators and filters and craving serious modulation possibilities, complex routing, and sounds that actually exist outside the preset menus. This isn't about slapping a VCO and VCF together; it's about crafting sonic landscapes. Let's dive into some modules that'll challenge you and reward your dedication.
Don't chase the latest buzzword module just because it looks cool. Consider your existing system and what sonic gaps you're trying to fill. Cheaper modules often cut corners on component quality - you'll hear it in the noise floor or the responsiveness of the controls.
Paying more for a module with a well-designed signal path and robust build quality is almost always worth it, especially if you plan on gigging or recording.
How the AudioFu Index works
Five measured signals and nothing else — no stars from strangers, no “tested by experts” we didn’t do. The weights are fixed and public. We don’t play these instruments; we measure the market around them.
This chart covers 19 synthesizer modules from the Thomann catalogue. Before you buy, read hands-on reviews and, where you can, play it. Full methodology.
AudioFu earns a commission when you buy through our Thomann links. It never changes the order — the index does.
- Demand40%
How many of this exact model are for sale on Reverb right now — what musicians actually buy and resell.
- Lineup20%
How many finishes Thomann stocks — makers expand the models that sell.
- Price15%
Where the price has moved since we started tracking in August.
- Specs15%
How completely the maker documents it.
- Maker10%
How deep the brand’s range is in this category.
Questions
What's the difference between a 'logic' module and a sequencer?
Logic modules manipulate CV signals based on Boolean logic (AND, OR, XOR, etc.). Sequencers generate sequences of CV and gate signals. They're related, but serve different purposes - logic modules are for complex modulation, sequencers for rhythmic structure.
I'm on a budget. Which modules should I prioritize?
Focus on modulation first. A good stepped function generator, a versatile attenuator/attenuverter, and a sample-and-hold module will unlock far more possibilities than another oscillator.
My modular rack is noisy. What can I do?
Check your grounding, use shielded cables, and consider a dedicated power supply. Some modules are inherently noisier than others - research before you buy. Also, a good noise blanker can help tame unruly signals.
How do I avoid 'mud' in my basslines?
Careful EQing is key, but also consider your oscillator's waveform and filter cutoff. Subtractive synthesis is a delicate balance - too much low-end energy can quickly overwhelm a mix. Sidechain compression can also be your friend.
What's the deal with 'quantization' in a CV module?
Quantization forces a continuous CV signal to snap to discrete musical values (like notes in a scale). It's a great way to add rhythmic precision or create unexpected melodic jumps, but it can also sound robotic if used excessively.
