AudioFu Chart · November 2026
Best Noise Modules Under $300 2026
The top pick is Doepfer A-118 Noise and Random Voltage Generator ($77). Behringer 903A Random Signal Generator Eurorack Synthesizer Module gives you the most for the money at $21. Ranked by the AudioFu Index from 8 models across 5 brands, prices checked every night.
Last updated: November 4, 2026
Top 8
Full detail for the 8 highest AudioFu Index scores. Every other model is listed below.
-
Doepfer A-118 Noise and Random Voltage Generator
A-118 Noise/Random · Doepfer
11 for sale on Reverb2 finishes at Thomann
This is a noise and random voltage module. It gives you white noise and coloured noise, which you can use as audio, and random voltage, which is mostly used to control other parts of your setup. It suits you if you want a small 8HP module with knobs to set how fast and how strong the random voltage changes, and LEDs that show what it is doing.
Pros
- Generates white noise, coloured noise, and random voltage from one module
- Noise works as an audio signal or as a control voltage
- Knobs set the rate of change and amplitude of the random voltage
Cons
- Random voltage is mainly used as a control voltage, given its low frequency content
-
Behringer 903A Random Signal Generator Eurorack Synthesizer Module
903A Random Signal Generator · Behringer
4 for sale on Reverb1 finish at Thomann
This is a small analogue noise module with two outputs, one for white noise and one for pink noise. At 4 HP wide, it takes up little space in a Eurorack case. It suits you if you want a simple, budget-friendly noise source for your modular setup.
Pros
- Analogue noise generator, so the noise is made by analogue circuitry
- Two separate outputs, one for white noise and one for pink noise
- Compact 4 HP width fits easily into a small Eurorack case
Cons
- Generates only white and pink noise, with no other noise types listed
-
You get a noise and random voltage module that takes up just 4 HP. It gives you white noise, coloured noise that you can mix in, and a random voltage output with its own level control. You can switch it between Track & Hold and Sample & Hold, so it suits anyone building Eurorack patches who wants random sources to play with.
Pros
- Outputs white noise, giving you a hiss source to start patches
- Coloured noise output can be mixed with white noise in your chosen proportions
- Continuous random voltage output comes with its own level control
Cons
- Needs +12 V and -12 V power, drawing 20 mA on each rail
-
The A-117-2 is a workhorse noise module – simple, reliable, and sounds great. It’s a fantastic starting point for anyone exploring noise generation in Eurorack, or a useful utility for experienced users needing a compact, flexible noise source. Its clean digital character is surprisingly versatile.
Pros
- Excellent noise quality, surprisingly rich and textured for a digital module.
- Wide frequency range (50-40kHz) allows for subtle to harsh noise.
- Compact 4HP footprint makes it ideal for dense modular setups.
Cons
- Limited output options; bipolar/unipolar can restrict certain patching scenarios.
- Relatively basic functionality compared to more complex noise generators.
-
You get two noise sources that switch between white and pink, plus two random voltage generators, all in one 14 HP Eurorack module. This suits you if you build a modular rig and want sources for random voltages or noise signals. Check that your case can supply +12 V at 45 mA and -12 V at 15 mA before you buy.
Pros
- Two independent noise generators, each with a selector for white or pink noise
- Each noise generator has its own level control with a maximum of plus or minus 5 V
- Two random voltage generators, each with its own attenuator and on/off switch
-
If you build a Eurorack modular system, you will like this module because it packs several useful tools into one panel. You get pink and white noise, a clock and random pulse source, a sample and track and hold block, and a slew block. It suits anyone who wants random and sample-and-hold ideas in their patch without using up a lot of rack space.
Pros
- Analogue pink and white noise sources give you two noise colours to work with
- Clock and random pulse source has an adjustable rate for changing patterns
- Sample/Track and Hold block lets you capture and freeze voltages
Cons
- Only 22 HP wide, so it takes up a good share of a small rack
44AudioFu
IndexStableno change since Aug 17Aug 17$127 now$127€114 at Thomann · in stockCheck price ↗ -
The VCNO is a seriously characterful noise module; it's not a general-purpose solution, but if you're into granular textures and experimental sound design, especially glitchy percussion and evolving drones, it's a fantastic addition to your rack. It's perfect for sound designers and noise-focused modular enthusiasts seeking a unique sonic palette.
Pros
- Unique 'Sizzle' output adds complex harmonic textures.
- DC-coupled gate output enables intricate rhythmic possibilities.
- Compact 6U width maximizes modular space efficiency.
Cons
- Limited noise type variety compared to dedicated noise generators.
- Power draw, while not excessive, can strain smaller power supplies.
42AudioFu
IndexStableno change since Aug 17Aug 17$192 now$192€172 at Thomann · in stockCheck price ↗ -
The ADDAC 106 T-Noiseworks is a clever little module for percussion and texture generation. It’s a great starting point for exploring noise-based sound design and would be a real asset for experimental electronic musicians or those wanting to add some grit to their rhythmic sequences.
Pros
- Excellent noise variety, offering a surprisingly wide sonic palette
- T-network filter provides unique, characterful shaping capabilities
- Compact 8HP footprint maximizes space in tight modular setups
Cons
- 40mA draw can be significant for power-constrained systems
- Single outputs per voice limit complex layering possibilities
42AudioFu
IndexStableno change since Aug 17Aug 17$222 now$222€199 at Thomann · in stockCheck price ↗
Noise Modules by the numbers
Measured across all 10 models we track, not a sample.
Median $95 — half of all noise modules here cost less.
How to choose the best noise modules
Noise Type Variety
A good noise module isn't just white noise. We're looking for options like pink, brown, filtered, or even granular noise, to give you more sonic palette. More options = more creative possibilities.
Modulation Input
The ability to modulate the noise's characteristics - pitch, filter cutoff, amplitude - is vital. Static noise gets old fast. Modulation breathes life and unpredictability into it.
Output Level & Range
You need headroom! A weak noise signal gets buried in the mix. A wide dynamic range lets you go from subtle textures to chaotic bursts without clipping.
Filter Options
Integrated filters are a huge bonus. Being able to shape the noise directly within the module saves space and often sounds better than routing to an external filter.
Build Quality & Stability
Cheap modules can be noisy in the wrong way - popping, crackling, or drifting out of tune. Solid construction and reliable operation are non-negotiable, even on a budget.
Buying guide
Alright, so you're diving into the modular world and need some grit. Noise modules are surprisingly crucial - they're the foundation for textures, percussion, and just plain weirdness. But dropping serious cash on a noise source? Nah, not necessary. We're rounding up the best noise modules you can snag for under $300, because a killer sound shouldn't bankrupt you.
At this price point, expect some compromises. You might not get a ton of features or the most pristine build quality, but you can get a functional and inspiring noise source. Watch out for modules with flimsy pots - those are the first things to fail.
Don't chase features you won't use; focus on a module that offers the specific type of noise and modulation you need for your sound.
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 10 noise 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 white, pink, and brown noise?
White noise is harsh and hissy, like static. Pink noise has more low-end, a smoother, more natural feel. Brown noise (also called red) is even darker, with a pronounced low-end thump - great for sub-bass textures.
Can I use a noise module for percussion?
Absolutely! With some clever gating, filtering, and envelope shaping, you can create convincing drum sounds. It takes some experimentation, but the results can be amazing.
Are there any 'must-have' features I should look for?
Modulation inputs are key. Also, a decent output level to avoid having to crank everything up and introduce noise. An integrated filter is a major plus, too.
I'm new to modular. Is a noise module a good starting point?
It's a great starting point! Noise is a fundamental building block for a huge range of sounds, and it's relatively easy to experiment with.
What's the deal with noise and power consumption?
Budget modules can sometimes draw more current than they advertise. Make sure your power supply has enough headroom to handle the module without causing instability in your system.
