AudioFuAudioFu Chart · October 2026
Best Logic Modules Under $200 2026
The top pick is Doepfer A-150 Dual Voltage Controlled Switch ($72). Klavis Two Bits leads the high end. Ranked by the AudioFu Index from 11 models across 5 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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The A-150 is a rock-solid, bare-bones dual switch – exactly what you need when you want clean, reliable routing without extra frills. It’s perfect for modular beginners or experienced patchers who need a small, efficient way to direct signals. This is a workhorse module, plain and simple.
Pros
- Reliable Doepfer build quality, known for longevity
- Simple, clean switching action – no unwanted noise
- Compact 4HP footprint maximizes patching density
Cons
- Limited voltage range (-8V to +8V) restricts some applications
- Basic functionality; lacks advanced features of more complex routers
82AudioFu
Index↓ 1.5%since Aug 14 · lowest so far$73 · Aug 14$72 now$72€64 at Thomann · in stockCheck price ↗ -
The A-166 is a solid, no-frills logic module from Doepfer, perfect for those getting into modular synthesis or needing a reliable foundation for basic sequencing and pattern generation. Its straightforward design and compact size make it an excellent choice for smaller racks, though experienced modular users might find it a bit limiting for intricate workflows.
Pros
- Reliable Doepfer build quality ensures long-term stability.
- Compact 8HP footprint maximizes patching flexibility.
- Clear LED indication simplifies complex logic operations.
Cons
- Limited input count restricts complex signal routing.
- Basic functionality lacks advanced features of pricier modules.
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The Klavis ComPair is a seriously useful little module for anyone diving into more advanced sequencing and modulation techniques. Its compact size and multiple comparator modes make it a great choice for tight racks and adding rhythmic complexity to your patches. If you're into generative music or experimental sound design, this is a great, affordable tool to get into the game.
Pros
- Excellent voltage control for dynamic sequencing and modulation.
- Window comparator mode opens creative rhythmic possibilities.
- Compact 3HP footprint maximizes valuable rack space.
Cons
- Limited input flexibility compared to more complex comparators.
- 3HP size restricts more intricate routing options.
67AudioFu
Index↓ 17.8%since Aug 14 · lowest so far$151 · Aug 14$124 now$124€111 at Thomann · in stockCheck price ↗ -
The Klavis Logica XT Black is a tiny powerhouse for gate manipulation. It's perfect for experimental electronic musicians and those needing precise, compact logic sequencing within their modular setup—just be mindful of its current draw and the initial learning curve involved in mastering its modes.
Pros
- Extremely compact 5HP footprint maximizes precious Eurorack space.
- 14 operating modes offer surprising flexibility for gate sequencing.
- Klavis’s build quality is consistently excellent; feels rock solid.
Cons
- Limited input count (3) can be restrictive in complex setups.
- 21mA current draw is noticeable, especially in power-constrained systems.
62AudioFu
Index↓ 7.2%since Aug 14 · lowest so far$156 · Aug 14$144 now$144€129 at Thomann · in stockCheck price ↗ -
The Two Bits is a remarkably powerful logic module, a true workhorse for complex sequencing and modulation. It's perfect for experimental sound designers and anyone needing to build intricate, automated patterns—just be prepared to dive deep into its operating modes to unlock its full potential. The compact size is a bonus for those with limited rack space.
Pros
- Incredibly dense feature set for its size, offering immense sequencing flexibility.
- Chain switches enable complex logic sequences beyond individual channels.
- LED status indicators provide clear visual feedback for troubleshooting and patching.
Cons
- 5 TE width can be limiting in smaller Eurorack cases; a bit wide.
- The sheer number of modes demands significant time investment to fully master.
58AudioFu
IndexStableno change since Aug 14Aug 14$156 now$156€139 at Thomann · in stockCheck price ↗ -
The A-150-1 VE is a solid, no-frills dual switch for your modular rig. It’s a reliable workhorse for re-routing signals and creating interesting modulation pathways, especially valuable for those who want to experiment with signal flow without breaking the bank. This is a great starting point for someone building a basic modular system or expanding an existing one.
Pros
- Reliable Doepfer build quality ensures long-term stability.
- Dual switching expands routing possibilities within a modular system.
- Compact 4TE width fits comfortably in most Eurorack setups.
Cons
- Limited functionality compared to more complex logic modules.
- Black front panel can be a fingerprint magnet – a common Doepfer trait.
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The A-165-2 is a solid, no-frills logic module from Doepfer, perfect for those building sequencing and control systems. It’s a great way to create complex trigger patterns and manipulate clock signals without needing a full-blown sequencer module – a real workhorse for any modular enthusiast.
Pros
- Doepfer's robust construction ensures reliable, long-term operation within a modular system.
- The toggle flip-flop provides a simple yet powerful logic function for sequencing.
- Compact 2HP size maximizes space efficiency in dense Eurorack configurations.
Cons
- Limited to logic signals; unsuitable for audio processing, restricting its versatility.
- The 2HP width can be a constraint in smaller modular setups.
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This module lets you switch eight audio tracks and hold the signal instantly. It adds eight digital outputs so you can route signals anywhere in your rack. The LED lights make it easy to see what is connected. It works well as a simple controller for modular setups.
Pros
- Combines rotary switch and track hold in one compact unit
- Includes eight dedicated digital output channels for routing
- Features clear LED indicators for every input and output
Cons
- No physical knobs or faders for manual voltage adjustment
- Lacks built-in power supply, requiring external +12V source
49AudioFu
IndexStableno change since Aug 17Aug 17$189 now$189€169 at Thomann · in stockCheck price ↗ -
The Erfurt is a seriously powerful little module if you're diving into the XAOC Leibniz system. It's a workhorse for generating intricate rhythms and textures, but be warned – it's not a standalone solution and requires some understanding of binary logic to fully exploit its potential. Perfect for experimental electronic musicians and those embracing modular complexity.
Pros
- Exceptional bit resolution for complex rhythmic patterns.
- Tight, clean digital signals; minimal aliasing observed.
- Remarkably compact 6HP footprint maximizes patching density.
Cons
- Limited standalone utility outside of Leibniz modules.
- Steep learning curve for those unfamiliar with binary logic.
44AudioFu
IndexStableno change since Aug 14Aug 14$167 now$167€149 at Thomann · in stockCheck price ↗ -
The SumDif is a surprisingly useful little module for basic signal manipulation. It’s a great entry point for understanding modular logic and perfect for experimental sound design or CV processing where simple math is your goal. It's a solid, no-frills option for those building a budget-friendly Eurorack system.
Pros
- Excellent value for basic arithmetic operations.
- Compact 2TE form factor saves precious panel space.
- Clean summing and differentiation with minimal noise.
Cons
- Limited functionality compared to more complex logic modules.
- 15mA draw can add up in power-hungry racks.
43AudioFu
Index↓ 2.2%since Aug 14 · lowest so far$100 · Aug 14$97 now$97€87 at Thomann · in stockCheck price ↗
All 11 logic modules
Same index, same nightly prices — compact. Colour options of one model share a row. Tap a photo to zoom.
- 11
Intellijel Designs ORIntellijel Designs42Stable$54€48$54€48Check ↗
Logic Modules by the numbers
Measured across all 14 models we track, not a sample.
Median $140 — half of all logic modules here cost less.
How to choose the best logic modules
Sound Quality
This isn't about clinical purity. We're looking for character - a fat midrange honk, a gritty oscillator, a warm filter. Cheap modules often have aliasing or a thin sound, but some surprisingly nail a vibe.
Build Quality
Plastic cases are common at this price, but we're checking for flimsy pots that scratchy, or unreliable connections. A module that falls apart mid-gig isn't a bargain.
Utility & Versatility
Can it do more than one thing? A simple VCO is cool, but a VCO with PWM or sync capabilities opens up a lot more possibilities. Modules that offer multiple waveforms or modulation options are gold.
Power Consumption
Some modules are power hogs, which can strain your power supply. We're noting power draw so you don't overload your system and end up with erratic behavior.
Modulation Response
How well does the module respond to CV signals? A sluggish or unresponsive module can be frustrating, especially when trying to create dynamic, evolving sounds. We want something that breathes with your patches.
Buying guide
Alright, so you're diving into modular synths but your wallet's screaming? Totally get it. Building a full-blown Buchla system isn't happening anytime soon, but you can get some seriously cool sounds with a few well-chosen modules under $200. This isn't about chasing pristine studio perfection, it's about finding those characterful, gritty, and downright weird voices that'll inspire you - and not leave you eating ramen for a month.
At this price point, you're making trade-offs. Expect some noise, some limitations, and definitely some compromises in build quality. Don't chase 'studio grade' sound - embrace the imperfections!
Focus on modules that offer a unique sonic character or a specific function you need. Used modules are your friend here - you can often snag incredible deals on lightly used gear.
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 14 logic 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
Are these modules noisy?
Almost certainly, yes. Noise floor is often higher in budget modules. It's usually manageable with careful gain staging and filtering, but be prepared to work with it.
Can I use these in a professional recording setup?
Sure, but temper your expectations. They're better suited for adding texture and character than being the core sound source. Layer them with cleaner sounds to compensate.
What about Eurorack power supplies? Do I need a new one?
Probably. Check the power draw of each module and make sure your power supply can handle it. Running a module near its maximum current draw is a recipe for instability.
Are these modules easy to learn?
Modular synths aren't inherently easy, but these modules are generally straightforward. Start with a few basics and build your knowledge gradually. YouTube is your best friend.
What's the difference between a 'clone' and an original module?
Clones are copies of popular modules, often cheaper. Quality varies wildly - some are excellent, some are poorly made. Research the clone manufacturer before you buy.
