AudioFuAudioFu Chart · October 2026
Best Effect Modules for Advanced 2026
The top pick is Strymon StarLab Time-Warped Reverberator ($708). Endorphin.es Ghost Eurorack Synth Module gives you the most for the money at $426. Ranked by the AudioFu Index from 60 models across 20 brands, prices checked every night.
Last updated: October 17, 2026
Top 10
Full detail for the 10 highest AudioFu Index scores. Every other model is listed below.
-
The StarLab is a seriously creative reverb module. It’s fantastic for sound designers and experimental musicians wanting to sculpt immersive, evolving soundscapes with the unique Karplus string engine and extensive modulation options. It’s a premium-priced investment, but the sonic possibilities are truly expansive.
Pros
- Karplus string synthesis offers uniquely organic, evolving textures.
- Harmonics section adds surprising depth and complexity to reverb tails.
- Extensive CV control allows for intricate, performance-driven soundscapes.
Cons
- The feature set, while deep, presents a significant learning curve for beginners.
- Limited reverb algorithms compared to dedicated hardware units.
85AudioFu
IndexStableno change since Aug 14Aug 14$708 now$708€629 at Thomann · in stockCheck price ↗ -
The 4ms Dual Looping Delay is a seriously impressive module for experimental musicians and sound designers. It’s a powerhouse for creating evolving textures and complex rhythmic patterns, especially when paired with other modular elements – the CV inputs make it really shine. This is a must-have for anyone pushing the boundaries of sonic exploration.
Pros
- Exceptional sound quality, warm and detailed digital processing
- True sound-on-sound capability offers complex layering possibilities
- Flexible CV routing allows for intricate modulation and sequencing
Cons
- Price point places it out of reach for budget-conscious users
- Limited recording time may restrict longer looping applications
71AudioFu
IndexStableno change since Aug 14Aug 14$501 now$501€445 at Thomann · in stockCheck price ↗ -
Endorphin.es Ghost Eurorack Synth Module
Ghost Black · Endorphin.es
13 for sale on Reverb2 finishes at Thomann
The Ghost Black is a powerhouse of digital effects, offering incredible flexibility for sound design and creative processing. It's a fantastic choice for experienced modular users who want to sculpt complex, evolving soundscapes, though beginners might find the routing a bit overwhelming initially. The quality of the effects themselves is genuinely impressive.
Pros
- Exceptional signal processing clarity at 32-bit/96kHz resolution.
- Karplus-Strong synthesis via stereo delay offers unique textures.
- Flexible M/S stereo widening dramatically enhances spatial depth.
Cons
- Steep learning curve due to routing complexity and sheer number of options.
- Limited modulation destinations compared to larger, more expensive modules.
76AudioFu
IndexStableno change since Aug 14Aug 14$426 now$426€379 at Thomann · in stockCheck price ↗ -
The Tapographic is a beast of a delay – seriously expressive and capable of sounds you won't get anywhere else. It's ideal for experimental musicians, sound designers, and anyone wanting to go way beyond simple echo. Just be prepared to invest some time learning its intricacies, as it’s not a plug-and-play unit.
Pros
- Velocity-sensitive tap input unlocks incredibly complex, evolving rhythms.
- Individual tap filtering provides sculpting possibilities beyond typical delays.
- Extensive CV control allows for deep integration within modular systems.
Cons
- The learning curve is steep; mastering tap programming takes dedicated effort.
- Power consumption is relatively high for a single module.
-
The Samarkanda is a serious powerhouse for anyone wanting to sculpt truly unique soundscapes. It’s not a simple delay; it’s a digital sculpting tool with an analog soul. If you’re a seasoned modular user looking for complex textural possibilities, this is a must-have addition to your rack.
Pros
- Exceptional resampling quality avoids digital harshness, sounds remarkably organic
- Analog mode convincingly emulates tape saturation and BBD warmth
- Four channels offer immense flexibility for complex spatial effects
Cons
- 42HP footprint can be restrictive in smaller modular systems
- Steep learning curve to master all the advanced features
48AudioFu
IndexStableno change since Aug 14Aug 14$697 now$697€619 at Thomann · in stockCheck price ↗ -
The Sealegs is a seriously creative delay and reverb module—Intellijel really knocked it out of the park. The flexible algorithms and extensive CV control make it a powerhouse for sound design and textural exploration. This is perfect for experimental electronic musicians and those wanting to add depth and movement to their soundscapes.
Pros
- Exceptional algorithm variety delivers unique, characterful delay textures.
- Intuitive fader-based control offers precise, immediate parameter adjustments.
- Internal modulator provides creative rhythmic and textural possibilities.
Cons
- The interface, while intuitive, can feel cramped with so many controls.
- Power draw is relatively high, requiring a substantial power supply.
47AudioFu
IndexStableno change since Aug 14Aug 14$523 now$523€465 at Thomann · in stockCheck price ↗ -
This Eurorack unit adds real texture to your modular system with nine reverb algorithms and a swell generator that responds to your audio. You can freeze time, reverse sounds, or add lo-fi grit directly from the panel. It works well as a standalone effect or a sidechain tool for dynamic mixing.
Pros
- Stereo reverb with nine distinct algorithm presets
- Multi-mode envelope follower for dynamic swelling
- Built-in freeze, reverse, and lo-fi modes
Cons
- No specific power supply voltage listed
- No stated reverb decay time ranges
47AudioFu
IndexStableno change since Aug 17Aug 17$562 now$562€499 at Thomann · in stockCheck price ↗ -
The Sarajewo is a seriously flavorful delay module. It’s not just a time-based effect; it's a sound design tool thanks to those individual tap outputs and the feedback loop. Ideal for experimental musicians and those wanting characterful, vintage-flavored delays beyond sterile digital repeats.
Pros
- XAOC’s BBD chip delivers warm, saturated delay tones.
- Individual tap outputs offer exceptional creative routing possibilities.
- The feedback loop input allows for truly unique, evolving textures.
Cons
- The 12TE width can be restrictive in smaller modular cases.
- BBD delays can be noisy, especially at higher feedback settings.
48AudioFu
IndexStableno change since Aug 14Aug 14$494 now$494€439 at Thomann · in stockCheck price ↗ -
The Z-DSP NS Black is a seriously powerful effect module for modular synth enthusiasts. The cartridge system is brilliant for swapping sounds on the fly, and the CV control opens up some really creative possibilities. If you're comfortable diving into DSP and want a versatile, high-quality effect processor in a compact format, this is a fantastic choice.
Pros
- Exceptional 24-bit resolution delivers pristine, detailed audio quality.
- Cartridge system offers incredible flexibility and future-proofing for effects.
- High output level avoids gain-staging headaches in complex modular setups.
Cons
- Cartridge cost adds up quickly for extensive effect experimentation.
- Limited onboard memory may restrict complex user-created DSP programs.
51AudioFu
Index↓ 2.1%since Aug 14 · lowest so far$482 · Aug 14$472 now$472€419 at Thomann · in stockCheck price ↗ -
This module lets you mix reverb and echo smoothly, which is great for live sets. You can tweak the room size and color with one controller to get exactly the texture you want. It works well as a standalone unit or inside a larger system. Perfect for players who need reliable spatial effects without fiddling with multiple knobs.
Pros
- Seamlessly blends reverb and echo without audible gaps.
- One controller manages feedback paths and nesting levels.
- Adjust room size and color to shape the texture.
Cons
- No explicit mention of specific power supply voltage.
- Missing detailed specifications for CV input attenuation.
43AudioFu
IndexStableno change since Aug 17Aug 17$539 now$539€479 at Thomann · in stockCheck price ↗
All 60 effect modules
Same index, same nightly prices — compact. Colour options of one model share a row. Tap a photo to zoom.
- 11
Empress Effects ZOIA EuroburoEmpress Effects43Stable$775€689$775€689Check ↗
- 12
OXI Instruments Meta BlackOXI Instruments · 2 finishes53↓ 1.0%$444€395$444€395Check ↗
- 13
Erica Synths Black Hole DSP 2Erica Synths72Stable$336€299$336€299Check ↗
- 14
Erica Synths Black Spring ReverbBlack Stereo Reverb · Erica Synths66Stable$359€319$359€319Check ↗
- 15
Erica Synths Black Stereo Delay 2 ModuleBlack Stereo Delay2 · Erica Synths64Stable$369€328$369€328Check ↗
- 16
Joranalogue Audio Design Delay 1Joranalogue Audio Design58Stable$392€348$392€348Check ↗
- 17
Make Noise Mimeophon ModuleMimeophon · Make Noise46↓ 14.9%$449€399$449€399Check ↗
- 18
Erica Synths Black Spring ReverbErica Synths66Stable$336€299$336€299Check ↗
- 19
Doepfer A-126-2 Frequency ShifterDoepfer52↓ 8.4%$370€329$370€329Check ↗
- 20
4ms Leveling EQ Amplifier (LEQA)4ms46Stable$393€349$393€349Check ↗
- 21
Empress Effects ZOIA Euroburo BundleEmpress Effects26Stable$899€799$899€799Check ↗
- 22
XAOC Devices KoszalinXAOC Devices48Stable$370€329$370€329Check ↗
- 23
XAOC Devices TimiszoaraXAOC Devices48Stable$370€329$370€329Check ↗
- 24
Tiptop Audio Buchla Model 285tTiptop Audio50Stable$358€318$358€318Check ↗
- 25
Erica Synths Drum Stereo FXErica Synths49Stable$336€299$336€299Check ↗
- 26
Bastl Instruments BasilBastl Instruments41Stable$336€299$336€299Check ↗
- 27
Tiptop Audio Z5000 Multi-EffectZ5000 White · Tiptop Audio · 2 finishes85↓ 13.1%$224€199$224€199Check ↗
- 28
Tiptop Audio ZVERBZVERB Black · Tiptop Audio · 2 finishes83Stable$246€219$246€219Check ↗
- 29
Endorphin.es Milky Way Eurorack Synth ModuleMilky Way Silver · Endorphin.es · 2 finishes73↓ 2.2%$197€175$197€175Check ↗
- 30
Tiptop Audio ECHOZECHOZ White · Tiptop Audio72Stable$235€209$235€209Check ↗
- 31
4MS Dual Looping DelayLooping Delay · 4ms71Stable$303€269$303€269Check ↗
- 32
Doepfer A-199 SPRV Spring ReverbA-199 Spring Reverb Module · Doepfer · 2 finishes69Stable$134€119$134€119Check ↗
- 33
Erica Synths Dual FXErica Synths69↓ 1.3%$331€294$331€294Check ↗
- 34
Behringer CC300 Chorus Space-CSpace FX · Behringer65↓ 10.7%$56€50$56€50Check ↗
- 35
Erica Synths Pico VCOPico DSP · Erica Synths65↓ 2.8%$156€139$156€139Check ↗
- 36
Tiptop Audio FSUFSU White · Tiptop Audio65Stable$235€209$235€209Check ↗
- 37
Doepfer A-188-1D 4096 Stages BBD ModuleA-188-1D · Doepfer · 2 finishes63Stable$197€175$197€175Check ↗
- 38
Endorphin.es Golden Master 1U Eurorack Synth ModuleGolden Master · Endorphin.es61Stable$201€179$201€179Check ↗
- 39
Behringer 911A Dual Trigger Delay Eurorack Synthesizer Module911A Dual Trigger Delay · Behringer58↓ 12.8%$21€19$21€19Check ↗
- 40
Behringer Vocoder VC16Behringer57↓ 19.4%$89€79$89€79Check ↗
- 41
Doepfer A-189-1 VBM Voltage Controlled Bit ModifierA-189-1 · Doepfer55Stable$118€105$118€105Check ↗
- 42
Joranalogue Audio Design Enhance 2Joranalogue Audio Design55Stable$213€189$213€189Check ↗
- 43
Befaco Spring Reverb Eurorack Synthesizer ModuleSpring Reverb · Befaco55Stable$235€209$235€209Check ↗
- 44
Cosmotronic Messor SilverCosmotronic · 2 finishes52Stable$264€235$264€235Check ↗
- 45
Tiptop Audio Buchla Model 277tTiptop Audio50Stable$325€289$325€289Check ↗
- 46
Erica Synths Stereo CompressorErica Synths49Stable$224€199$224€199Check ↗
- 47
Behringer Bode Freq Shifter 1630Behringer48Stable$100€89$100€89Check ↗
- 48
Behringer HalosBehringer48Stable$123€109$123€109Check ↗
- 49
Behringer SkiesBehringer48Stable$123€109$123€109Check ↗
- 50
XAOC Devices MinskXAOC Devices48Stable$213€189$213€189Check ↗
- 51
XAOC Devices Kamieniec IIXAOC Devices48Stable$314€279$314€279Check ↗
- 52
Intellijel Designs Digiverb 1UIntellijel Designs47Stable$81€72$81€72Check ↗
- 53
Intellijel Designs Multi-FX 1UIntellijel Designs47Stable$163€145$163€145Check ↗
- 54
Intellijel Designs Springray IIIntellijel Designs47Stable$324€288$324€288Check ↗
- 55
NANO Modules CEQNANO Modules43Stable$124€110$124€110Check ↗
- 56
SOMA Lyra-8 FXSOMA43↓ 3.8%$258€229$258€229Check ↗
- 57
NANO Modules FUMNANO Modules43Stable$264€235$264€235Check ↗
- 58
Befaco IroiBefaco43Stable$291€259$291€259Check ↗
- 59
EarthQuaker Devices Afterneath ReverberatorEarthQuaker Devices41Stable$280€249$280€249Check ↗
- 60
Expert Sleepers ForeverExpert Sleepers41Stable$291€259$291€259Check ↗
Effect Modules by the numbers
Measured across all 69 models we track, not a sample.
Median $291 — half of all effect modules here cost less.
How to choose the best effect modules
Modulation Response
Advanced players aren't just adding reverb; they're modulating the reverb decay time, the filter cutoff, the delay feedback - everything. Modules that handle complex LFO shapes and multiple modulation inputs cleanly are essential. A muddy response under modulation is a dealbreaker.
Hands-On Control
Knobs and switches aren't just for show. You need immediate, tactile control over key parameters, especially when you're tweaking a patch on the fly. Look for modules with thoughtfully designed layouts and responsive controls that don't feel like fighting with the machine.
Feature Depth vs. Usability
Some modules are feature-packed but overwhelming. The best ones offer a deep well of sonic possibilities without requiring a PhD in electronics. A steep learning curve can be rewarding, but it shouldn't come at the expense of enjoyment and creative flow.
Signal Handling & Headroom
That subtle shimmer on a pad can quickly turn into harsh distortion if the module can't handle the signal. Modules with ample headroom and clean gain staging are critical, especially when layering multiple signals or pushing effects into overdrive territory. Clipping isn't a vibe.
Articulation & Transient Response
It's not just about the overall tone; it's about how the effect interacts with the nuances of your performance. Modules that preserve or enhance articulation - the attack and decay of individual notes - are far more useful than those that smear everything into a mushy blob.
Buying guide
Alright, so you've got a modular rig humming along, patching oscillators and filters, and you're ready to move beyond basic reverb. You're not satisfied with just making noise; you want to sculpt sound, create movement, and add that indefinable something that separates a good patch from a great one. This isn't about slapping on a chorus - this is about understanding how effects interact with complex modulation and shaping your sonic landscape. Let's talk about effect modules that'll actually push your modular skills forward.
Don't be fooled by a ton of knobs - complexity doesn't equal quality. Many budget modules cut corners on component quality, leading to noisy operation or a compressed, lifeless sound. Paying more often gets you better components, more responsive controls, and a more nuanced sonic palette.
Think of it like this: a decent reverb can make your patch sound acceptable; a truly great one can elevate it to something special.
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 69 effect 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
I'm new to modular effects. Where should I start?
Start with a versatile delay or reverb - something that can do a wide range of sounds. Mutable Instruments Shimmer is a classic for a reason, but it's complex. A simpler, more focused module like a Strymon Deco might be a better entry point.
What's the deal with 'noise floor' in effect modules?
Basically, it's the unwanted hiss or hum. Cheaper modules often use lower-quality components that generate more noise. It's less noticeable in a dense patch, but it'll become an issue when you're trying to create clean, ambient sounds.
Can I use Eurorack modules with other synths?
It's tricky. Eurorack uses a specific voltage standard. You'll need a Eurorack-to-1/4" converter for audio, and a voltage-to-CV converter if you want to control parameters with external sources. It's doable, but adds complexity.
Are there any good free resources for learning modular effects?
Absolutely. YouTube is your friend. Look for tutorials from Schneidersladen, DivKidVideo, and Modular Magic. There are also tons of forums and online communities where you can ask questions and share patches.
I'm getting a muddy, undefined sound. What am I doing wrong?
It's likely a combination of factors - too much modulation, too much gain, or a poorly chosen effect. Try simplifying your patch, reducing the modulation depth, and paying close attention to the signal level at each stage.
