Best Filter Modules Under $800 2026
Alright, so you're diving into the modular world and need a filter? Smart move - a good filter is the heart of so much character. But $800 can vanish fast in Eurorack, so let's find you some serious filtering mojo without breaking the bank. We're focusing on modules that give you the most sonic bang for your buck, whether you're sculpting pads, gritty basses, or just dialing in some funky resonance sweep.
Last updated: September 24, 2026
⚡ The best filter modules in 2026 are Tiptop Audio Model 296t (top pick), XAOC Devices Oradea for tighter budgets, and Industrial Music Electronics Bionic Lester MKIII for pros — selected from 15 options across 11 brands, priced $409–$683, ranked by brand, price and popularity.
Tiptop Audio Model 296t
by
Tiptop Audio
Sound Shaping
Subtractive Synthesis
Classic Synthesis
Key Feature:
The 296t is a beast for sound design and experimental textures. If you're into vocoding, complex filtering, or just want to mangle sounds in seriously unique ways, this module will be your new best friend. It's a premium-priced piece, but the sonic possibilities are truly rewarding once you wrap your head around it.
PROS
- • Exceptional sonic sculpting capabilities with 16 distinct bands.
- • Robust build quality; Tiptop's signature metal chassis feels solid.
- • Envelope follower outputs offer unique modulation possibilities.
- • Flexible routing options provide creative signal path manipulation.
CONS
- • Steep learning curve; mastering the complex routing takes dedication.
- • Power hungry; demands a substantial amount of current from your PSU.
- • Limited overall filter types; primarily excels as a resonant filter bank.
⭐
4.8/5
AudioFu Score
Specs:
10/10
Detail:
9/10
Value:
4/10
Art. 580277
$684
XAOC Devices Oradea
by
XAOC Devices
Audio Processing
Subtractive Synthesis
Classic Synthesis
Key Feature:
The Oradea is a truly unique filter module – it's not just a filter, it's a resonant sound design powerhouse. It's perfect for experimental electronic musicians and sound designers looking to create complex, evolving textures and otherworldly soundscapes, but newcomers should be prepared to spend some time learning its nuances.
PROS
- • Exceptional resonance creates complex, evolving textures.
- • Four independent channels offer incredible sonic layering possibilities.
- • Phase reverse switches add significant tonal shaping flexibility.
- • Compact 20HP footprint maximizes space in tight modular setups.
CONS
- • Requires Arad Resonator Commander for full feature set; a separate investment.
- • Can be overwhelming for beginners due to its complexity.
- • High resonance settings can introduce aliasing artifacts at higher frequencies.
⭐
4.8/5
AudioFu Score
Specs:
10/10
Detail:
8/10
Value:
5/10
Art. 617684
$569
Industrial Music Electronics Bionic Lester MKIII
Classic Synthesis
Tonal Character
Sound Shaping
Key Feature:
The Bionic Lester MKIII is a seriously cool filter module, especially if you're into industrial, experimental, or glitchy sounds. It nails that 90s digital filter vibe, and the morphing and CV control give you tons of creative options for sculpting movement and texture. A great addition for anyone building a modular system focused on sound design.
PROS
- • Excellent filter character, emulating classic 90s digital filters.
- • Preset morphing adds serious creative potential for evolving soundscapes.
- • Flexible CV routing allows for intricate modulation possibilities.
- • Compact 15HP footprint makes it ideal for dense modular setups.
CONS
- • Limited preset slots – 8 might not be enough for extensive sound design.
- • Digital filter emulation, while good, lacks the unpredictable grit of true analog.
- • Gain/overdrive stage can be a bit noisy at higher settings.
⭐
4.9/5
AudioFu Score
Specs:
10/10
Detail:
10/10
Value:
5/10
Art. 471226
$547
AJH Synth Gemini 2412 Dual SVF black
by
AJH Synth
Tonal Character
Subtractive Synthesis
Classic Synthesis
Key Feature:
The Gemini 2412 is a serious contender for anyone craving that classic Sequential Circuits SEM filter vibe in a Eurorack format. The dual design and serial/parallel switching really open up creative possibilities for complex textures and evolving sounds – it's a fantastic choice for sound designers and experimental musicians.
PROS
- • Classic SEM filter sonics, exceptionally warm and resonant
- • Excellent build quality with robust metal chassis
- • Parallel/serial operation expands sonic possibilities greatly
- • Fade control offers subtle to drastic timbre shifts
CONS
- • 28 TE footprint demands significant Eurorack space
- • Limited modulation options beyond CV input
- • Can be a bit overwhelming for absolute filter synthesis beginners
⭐
4.7/5
AudioFu Score
Specs:
10/10
Detail:
5/10
Value:
5/10
Art. 433600
$535
Verbos Electronics Dual Four Pole
Audio Processing
Frequency Control
Subtractive Synthesis
Key Feature:
This Dual Four Pole is a beautifully voiced filter module, perfect for sound designers and experimental musicians seeking a refined, analog character. It’s a serious upgrade for those wanting to sculpt complex textures and evolving soundscapes – not so much a screaming, aggressive filter, but a truly musical one.
PROS
- • Exceptional discrete filter design delivers a warm, organic tone.
- • Normalisation provides a seamless, resonant high-to-low-pass transition.
- • Well-built with robust construction and quality components – feels solid.
- • Flexible CV inputs offer nuanced filter frequency modulation possibilities.
CONS
- • 21 TE width can be restrictive in smaller Eurorack cases.
- • Limited resonance range; lacks aggressive self-oscillation for extreme sounds.
- • Price point places it at the higher end of filter module offerings.
⭐
4.8/5
AudioFu Score
Specs:
10/10
Detail:
6/10
Value:
5/10
Art. 535682
$535
AJH Synth Gemini 2412 Dual SVF silver
by
AJH Synth
Frequency Control
Subtractive Synthesis
Audio Processing
Key Feature:
The Gemini 2412 is a seriously cool module for anyone wanting that classic Sequential Engine Music sound. It’s a fantastic way to add warmth and movement to your patches, especially if you’re into experimental sound design or recreating vintage synth tones. Really shines for ambient and cinematic soundscapes.
PROS
- • Classic SEM filter sound, incredibly warm and resonant
- • Dual SVF design offers unique filtering possibilities
- • Silver faceplate elevates the module's aesthetic appeal
- • Compact 28 TE footprint maximizes rack space efficiency
CONS
- • Parallel/serial switching can be a bit fiddly in performance
- • Limited modulation options beyond CV input
- • The silver finish can be a fingerprint magnet.
⭐
4.7/5
AudioFu Score
Specs:
10/10
Detail:
5/10
Value:
5/10
Art. 439206
$524
4ms Spectral Multiband Resonator
by
4ms
Frequency Control
Tonal Character
Classic Synthesis
Key Feature:
The Spectral Multiband Resonator is a seriously unique tool for sound design. It’s not a simple filter; it’s a resonant landscape generator perfect for experimental electronic music, ambient soundscapes, and anyone wanting to push the boundaries of modular synthesis. Be prepared to dig in – it's rewarding, but takes some effort to truly master.
PROS
- • Exceptional tonal sculpting with six independently tunable bands.
- • The scale quantization offers surprisingly musical and predictable results.
- • Envelope follower per channel unlocks unique rhythmic and textural possibilities.
- • Robust build quality; 4ms modules are known for their reliability.
CONS
- • The 26U width demands significant space in a modular setup.
- • Steep learning curve; mastering all controls requires dedication.
- • Limited flexibility for truly arbitrary filter frequencies.
⭐
4.8/5
AudioFu Score
Specs:
10/10
Detail:
8/10
Value:
5/10
Art. 545208
$490
ADDAC 603 VC Triple Bandpass Filter
by
ADDAC
Subtractive Synthesis
Frequency Control
Classic Synthesis
Key Feature:
The ADDAC 603 is a seriously powerful filter module for those diving deep into sound design. It's ideal for experimental musicians and sound sculptors who crave intricate textures and movement—the triple bandpass architecture really lets you carve out unique sonic spaces. Be prepared to spend some time learning its ins and outs, but the payoff is huge.
PROS
- • Triple bandpass design offers complex, evolving timbres.
- • Robust construction with quality internal components inspires confidence.
- • Flexible CV routing allows for intricate modulation possibilities.
- • Dry signal path preserves original signal for blending and layering.
CONS
- • 22HP footprint can be restrictive in smaller modular setups.
- • Steep learning curve for mastering advanced modulation techniques.
- • Lacks a dedicated resonance control for each filter stage.
⭐
4.8/5
AudioFu Score
Specs:
10/10
Detail:
7/10
Value:
5/10
Art. 491097
$490
ADDAC 601 VC Fixed Filterbank
by
ADDAC
Sound Shaping
Subtractive Synthesis
Frequency Control
Key Feature:
The ADDAC 601 VC is a seriously cool module for sound designers and experimental musicians. It's fantastic for creating unique textures and rhythmic effects – think lo-fi hip-hop, glitchy soundscapes, or adding character to synth pads. If you're looking for a unique, hands-on filtering experience without a huge investment, this is a great choice.
PROS
- • Excellent analogue character, distinct and usable filter frequencies
- • Individual volume and mute per band offer incredible sonic sculpting
- • Envelope follower output adds dynamic movement and modulation possibilities
- • Compact 20HP footprint maximizes space in Eurorack systems
CONS
- • Fixed filter frequencies limit versatility compared to fully sweepable filters
- • 340mA current draw can strain power supplies in smaller racks
- • Attenuator on input 1 feels a little flimsy for frequent adjustments
⭐
4.8/5
AudioFu Score
Specs:
10/10
Detail:
6/10
Value:
5/10
Art. 505635
$490
Make Noise QPAS
by
Make Noise
Subtractive Synthesis
Sound Shaping
Audio Processing
Key Feature:
The QPAS is a powerhouse for sound designers and experimental musicians. Its ability to sculpt a wide stereo field with its unique filter topologies is genuinely impressive—it's a characterful, complex module that rewards exploration. This is perfect for those looking to add serious texture and movement to their modular patches.
PROS
- • Exceptional stereo image creation with unique filter cores
- • Smile pass mode offers truly novel and characterful filtering
- • Pre-VCA adds useful dynamic shaping capabilities
- • Build quality reflects Make Noise’s meticulous design approach
CONS
- • Relatively high current draw can strain power supplies
- • Steep learning curve for mastering all modulation options
- • Limited resonance on some filter modes can feel underwhelming
⭐
4.9/5
AudioFu Score
Specs:
10/10
Detail:
9/10
Value:
6/10
Art. 457840
$477
Tiptop Audio Octopass
by
Tiptop Audio
Classic Synthesis
Tonal Character
Audio Processing
Key Feature:
The Octopass is a serious contender if you're chasing that classic Moog filter sound in a Eurorack format and need polyphonic capabilities. It's a fantastic workhorse for sound design and sequencing, especially if you're already invested in Tiptop's Polytip ecosystem. This module shines for those wanting a focused, powerful filter without the complexity of a multi-mode behemoth.
PROS
- • Exceptional 24dB low-pass character, classic Moog-inspired warmth.
- • Polytip system enables genuinely polyphonic Eurorack workflows.
- • Robust build quality with Tiptop's signature metal chassis.
- • Cutoff CV input with bipolar attenuator offers precise control.
CONS
- • Polytip cables are proprietary and add to the overall expense.
- • 20HP footprint can be restrictive in smaller Eurorack cases.
- • Limited filter modes compared to more complex filter modules.
⭐
4.8/5
AudioFu Score
Specs:
10/10
Detail:
7/10
Value:
6/10
Art. 612564
$455
AJH Synth Matrix VCF black
by
AJH Synth
Classic Synthesis
Sound Shaping
Frequency Control
Key Feature:
The AJH Synth Matrix VCF is a serious contender for anyone wanting a versatile, characterful filter in their modular system. It's a fantastic way to add complex, evolving textures to your sound, particularly suited for experimental electronic music and sound design – it’s a real workhorse for patching and creative exploration.
PROS
- • Exceptional filter flexibility with 16 distinct modes.
- • The built-in VCA simplifies routing and signal flow.
- • Solid build quality; feels robust for its size and price.
- • Resonance characteristics offer a wide range of tonal possibilities.
CONS
- • 14HP footprint can be restrictive in smaller Eurorack cases.
- • Limited modulation destinations beyond the core parameters.
- • The VCA, while convenient, isn't a high-end studio-grade unit.
⭐
4.8/5
AudioFu Score
Specs:
10/10
Detail:
8/10
Value:
6/10
Art. 619200
$444
Erica Synths Graphic Resonant FB
by
Erica Synths
Audio Processing
Subtractive Synthesis
Frequency Control
Key Feature:
This Erica Synths Graphic Resonant FB is a beast for sound designers and experimental musicians who crave complex, evolving textures. It’s a fantastic way to inject a huge amount of character and movement into your modular system, pushing beyond the capabilities of standard filters. If you're into evolving soundscapes and intricate modulation, this is a powerful tool to explore.
PROS
- • Exceptional resonant character creates uniquely sculpted, evolving sounds.
- • Digital control offers precise filter shaping beyond analog limitations.
- • Versatile modes expand sonic possibilities, from subtle warmth to aggressive filtering.
- • Preset morphing and random functions foster experimental sound design.
CONS
- • Steep learning curve; mastering the complex controls requires dedication.
- • Size (standard Eurorack format) can be limiting in smaller modular setups.
- • Audio input level control feels a bit rudimentary compared to other modules.
⭐
4.9/5
AudioFu Score
Specs:
10/10
Detail:
10/10
Value:
6/10
Art. 599424
$421
Future Retro Transfer
by
Future Retro
Tonal Character
Classic Synthesis
Frequency Control
Key Feature:
The Future Retro Transfer is a seriously versatile filter module, giving you a huge range of tones from subtle warmth to screaming resonance. It’s perfect for sound designers and experimental musicians who want a compact, self-contained filter solution without a ton of patching complexity. The integrated VCA is a clever touch, making it instantly usable.
PROS
- • Exceptional filter variety offers a truly unique sonic palette.
- • Integrated VCA simplifies patching and adds immediate utility.
- • Bipolar attenuators provide nuanced, precise control over parameters.
- • Solid build quality; feels robust and well-engineered for rack use.
CONS
- • 12HP footprint can be restrictive in smaller modular setups.
- • Power draw is noticeable, impacting overall system power budget.
- • Limited input gain control; overdrive can be aggressive without careful adjustment.
⭐
4.9/5
AudioFu Score
Specs:
10/10
Detail:
9/10
Value:
6/10
Art. 604647
$410
TouellSkouarn Ar Merc´het Brao
Frequency Control
Audio Processing
Classic Synthesis
Key Feature:
The TouellSkouarn Ar Merc´het Brao is a seriously useful little filter module. It’s got a great, raw character – think Moog-esque warmth with a bit of grit from the overdrive. Ideal for sound designers and those wanting to add some serious texture to their Eurorack patches.
PROS
- • Dual-channel design offers flexible stereo processing possibilities.
- • Lowpass/highpass switching adds tonal versatility per channel.
- • Joint cutoff control simplifies sound design for broader sweeps.
- • Compact 16HP footprint saves valuable space in a modular rack.
CONS
- • 20mA current draw can be limiting in power-constrained systems.
- • Limited modulation options beyond the CV inputs.
- • The all-metal enclosure, while sturdy, could benefit from some damping.
⭐
4.8/5
AudioFu Score
Specs:
10/10
Detail:
6/10
Value:
6/10
Art. 518019
$410
Every filter modules that matches
99 models match this page. The 15 above are covered in detail; the rest are listed here with their published specifications.
Filter Modules by the numbers
Measured across all 99 models in this category, so «wide», «short» or «expensive» mean something you can check.
Price
median $204
from $48 to $524
How to Choose the Best Filter Modules
1
Resonance
How far you can push that self-oscillation without it turning into a digital mess. A good filter should sing, not screech, even at extreme settings.
2
Filter Slope (dB/Octave)
12dB/octave gives you a mellow, rounded sound; 24dB/octave is more aggressive and cuts better through a mix. Know what you need for your application.
3
Drive/Saturation
A little extra dirt can make a huge difference, adding harmonics and sustain. Cheap drive circuits can sound fizzy; good ones add warmth and body.
4
Keyboard Tracking
If you plan to use it with a keyboard, accurate tracking is essential. Sloppy tracking makes it unusable for melodic lines.
5
Build Quality/Layout
Let's be real, you're spending money. A flimsy module or a cramped layout will just frustrate you. Consider ease of patching and long-term durability.
Buying Guide
At this price point, expect some compromises. Some modules might have a slightly more limited feature set, or use less exotic components. The biggest trade-off is usually in the quality of the drive circuit - cheap saturation can be harsh, while the good stuff adds genuine character. Prioritize a filter with a responsive, musical resonance, and don't be afraid to experiment - a little outboard distortion can fix a lot of sins.
How This List Is Built
We don't play these instruments — we're a catalog, not a review desk, and we'd rather say so than pretend otherwise. This page covers 99 filter modules from the Thomann catalogue, which is the largest single source of specification data in this category: 15 in detail, the rest listed with their specifications.
Position is computed, not curated. We parse the manufacturer's own description into actual values — nut width, scale, fret count, fingerboard radius, size, alloy — and rank on them: how many specifications a model has published, how many of them are measurable numbers, and how precisely it meets this page's criterion. A product image adds a little. Price is not a ranking signal: it tells you nothing about whether a neck fits your hand. The same inputs always produce the same order, so nothing here is shuffled to look fresh.
What this list is good for: narrowing a category down to a shortlist by spec and budget. What it isn't: a substitute for hearing an instrument. Before you buy, read hands-on reviews and, where you can, play it. Full methodology.
Frequently Asked Questions
Moog filters are known for their fat midrange honk and aggressive resonance - great for basses and leads. State Variable filters are cleaner, more versatile, and offer a wider range of tonal possibilities. It's a vibe thing - try both and see what speaks to you.
Absolutely! A filter can be a powerful tool for shaping sounds in a mix, especially for adding movement or removing unwanted frequencies. Just be mindful of headroom - saturation can quickly become overwhelming.
When you crank the resonance high enough, some filters will start generating their own audio signal, independent of the input. This can be used to create wild effects or even a synth voice entirely.
Definitely! Kits can be a great way to save money, but be prepared for some soldering. Quality varies wildly, so research the design and read reviews carefully.
Try rolling off some low frequencies with a high-pass filter before the main filter. Also, check your resonance - too much can quickly turn a beautiful tone into a muddy mess. EQ after the filter can help too.
