Best Filter Modules 2026

Top-rated filter modules 2026 - expert picks for every budget and skill level

Last updated: January 21, 2026 • Next update: January 28, 2026

Radikal Technologies RT-451 - Professional Music Instrument Photo
#1

Radikal Technologies RT-451

Audio Processing Classic Synthesis Subtractive Synthesis
Key Feature:
• Essential for subtractive synthesis
✓ PROS
  • • Essential for subtractive synthesis
  • • CV control over frequency and resonance
✗ CONS
  • • Character differences subtle to beginners
  • • Self-oscillation can be tricky

Radikal Technologies RT-451Eurorack ModuleDual Multimode Filter2x 12 dB Multimode filter with lowhighbandpass and notch...

4.6/5 (20 reviews)
Sound:
7/10
Build:
7/10
Value:
7/10
TouellSkouarn Ar Merc´het Brao - Professional Music Instrument Photo
#2

TouellSkouarn Ar Merc´het Brao

Frequency Control Audio Processing Classic Synthesis
Key Feature:
• CV control over frequency and resonance
✓ PROS
  • • Multiple filter types and characters
  • • CV control over frequency and resonance
✗ CONS
  • • Self-oscillation can be tricky
  • • Can be expensive for quality filters

TouellSkouarn Ar Merc´het BraoEurorack ModuleTwo-channel filter and overdriveCutoff frequencyresonance and overdrive...

4.6/5 (50 reviews)
Sound:
8/10
Build:
8/10
Value:
7/10
Weston Precision Audio SF1 Dual / Stereo Filter - Professional Music Instrument Photo
#3

Weston Precision Audio SF1 Dual / Stereo Filter

Audio Processing Subtractive Synthesis Classic Synthesis
Key Feature:
• Essential for subtractive synthesis
✓ PROS
  • • Shape and color synthesized sounds
  • • Create classic synthesizer sounds
✗ CONS
  • • Patch complexity with multiple filters
  • • Character differences subtle to beginners

Weston Precision Audio SF1 Dual / Stereo FilterEurorack ModuleAnalogue two-channel multimode filter for dual mono and...

4.7/5 (6 reviews)
Sound:
9/10
Build:
9/10
Value:
7/10
Shakmat Modular Centaur´s Gate - Professional Music Instrument Photo
#4

Shakmat Modular Centaur´s Gate

Audio Processing Sound Shaping Subtractive Synthesis
Key Feature:
• Essential for subtractive synthesis
✓ PROS
  • • Create classic synthesizer sounds
  • • Multiple filter types and characters
✗ CONS
  • • Self-oscillation can be tricky
  • • Character differences subtle to beginners

Shakmat Modular Centaur´s GateEurorack ModuleDual multi-type gate2 Independent channels with analogue signal...

4.6/5 (36 reviews)
Sound:
8/10
Build:
8/10
Value:
7/10
Future Retro Transfer - Professional Music Instrument Photo
#5

Future Retro Transfer

Tonal Character Classic Synthesis Frequency Control
Key Feature:
• Shape and color synthesized sounds
✓ PROS
  • • Essential for subtractive synthesis
  • • Multiple filter types and characters
✗ CONS
  • • May need multiple types for variety
  • • Self-oscillation can be tricky

Future Retro TransferEurorack ModuleFilter Module16 Filter typese.g. low-pass 618 or 24 dB as well as...

4.7/5 (38 reviews)
Sound:
9/10
Build:
9/10
Value:
9/10
Schlappi Engineering 100 Grit Black - Professional Music Instrument Photo
#6

Schlappi Engineering 100 Grit Black

Subtractive Synthesis Audio Processing Tonal Character
Key Feature:
• Create classic synthesizer sounds
✓ PROS
  • • Create classic synthesizer sounds
  • • CV control over frequency and resonance
✗ CONS
  • • Self-oscillation can be tricky
  • • Patch complexity with multiple filters

Schlappi Engineering 100 Grit BlackEurorack ModuleFilter with VCA and distortionLow-pass filter (24dB/oct.) with cutoff...

4.6/5 (42 reviews)
Sound:
9/10
Build:
7/10
Value:
8/10
Verbos Electronics Bark Filter Processor - Professional Music Instrument Photo
#7

Verbos Electronics Bark Filter Processor

Classic Synthesis Tonal Character Sound Shaping
Key Feature:
• CV control over frequency and resonance
✓ PROS
  • • Create classic synthesizer sounds
  • • Shape and color synthesized sounds
✗ CONS
  • • Patch complexity with multiple filters
  • • May need multiple types for variety

Verbos Electronics Bark Filter ProcessorEurorack ModuleCV-controlled 12-band fixed filter bankLevel faders per filter...

4.6/5 (33 reviews)
Sound:
10/10
Build:
10/10
Value:
7/10
Make Noise QPAS - Professional Music Instrument Photo
#8

Make Noise QPAS

Subtractive Synthesis Sound Shaping Audio Processing
Key Feature:
• Multiple filter types and characters
✓ PROS
  • • Create classic synthesizer sounds
  • • Shape and color synthesized sounds
✗ CONS
  • • Can be expensive for quality filters
  • • Character differences subtle to beginners

Make Noise QPASEurorack ModuleAnalog stereo filterOffers 4 multi-mode filter cores that can be distributed in the...

4.6/5 (28 reviews)
Sound:
8/10
Build:
8/10
Value:
9/10
Vostok Instruments Atlas - Professional Music Instrument Photo
#9

Vostok Instruments Atlas

Subtractive Synthesis Frequency Control Sound Shaping
Key Feature:
• CV control over frequency and resonance
✓ PROS
  • • Shape and color synthesized sounds
  • • Multiple filter types and characters
✗ CONS
  • • Can be expensive for quality filters
  • • May need multiple types for variety

Vostok Instruments AtlasEurorack Module4-Channel Multimode FilterPer channel: Controls for cut-off frequency and...

4.8/5 (5 reviews)
Sound:
9/10
Build:
8/10
Value:
9/10
Verbos Electronics Dual Four Pole - Professional Music Instrument Photo
#10

Verbos Electronics Dual Four Pole

Audio Processing Frequency Control Subtractive Synthesis
Key Feature:
• Essential for subtractive synthesis
✓ PROS
  • • Shape and color synthesized sounds
  • • Create classic synthesizer sounds
✗ CONS
  • • May need multiple types for variety
  • • Character differences subtle to beginners

Verbos Electronics Dual Four PoleEurorack ModuleDiscrete 4-pole high-pass filter and 4-pole low-pass filterControls per...

4.4/5 (14 reviews)
Sound:
10/10
Build:
9/10
Value:
7/10
XAOC Devices Oradea - Professional Music Instrument Photo
#11

XAOC Devices Oradea

Audio Processing Subtractive Synthesis Classic Synthesis
Key Feature:
• Create classic synthesizer sounds
✓ PROS
  • • Essential for subtractive synthesis
  • • Shape and color synthesized sounds
✗ CONS
  • • Can be expensive for quality filters
  • • Self-oscillation can be tricky

XAOC Devices OradeaEurorack Module4-channel voltage-controlled resonatorFour bandpass filterseach with controls for...

4.8/5 (11 reviews)
Sound:
10/10
Build:
9/10
Value:
8/10
Tiptop Audio Octopass - Professional Music Instrument Photo
#12

Tiptop Audio Octopass

Classic Synthesis Tonal Character Audio Processing
Key Feature:
• Create classic synthesizer sounds
✓ PROS
  • • Essential for subtractive synthesis
  • • Multiple filter types and characters
✗ CONS
  • • May need multiple types for variety
  • • Can be expensive for quality filters

Tiptop Audio OctopassEurorack ModuleAnalogue eight-voice 24 dB low-pass filterTiptop Audio ART module: Polyphonic...

4.8/5 (10 reviews)
Sound:
10/10
Build:
9/10
Value:
7/10
Joranalogue Audio Design Filter 8 - Professional Music Instrument Photo
#13

Joranalogue Audio Design Filter 8

Classic Synthesis Sound Shaping Subtractive Synthesis
Key Feature:
• Multiple filter types and characters
✓ PROS
  • • Essential for subtractive synthesis
  • • Shape and color synthesized sounds
✗ CONS
  • • Can be expensive for quality filters
  • • Character differences subtle to beginners

Joranalogue Audio Design Filter 8Eurorack ModuleMultimode filter and 8-phase oscillatorOTA-based 4-pole filter8...

4.5/5 (13 reviews)
Sound:
7/10
Build:
7/10
Value:
9/10
Shakmat Modular Dual Dagger - Professional Music Instrument Photo
#14

Shakmat Modular Dual Dagger

Subtractive Synthesis Tonal Character Audio Processing
Key Feature:
• Multiple filter types and characters
✓ PROS
  • • Essential for subtractive synthesis
  • • CV control over frequency and resonance
✗ CONS
  • • Can be expensive for quality filters
  • • Character differences subtle to beginners

Shakmat Modular Dual DaggerEurorack ModuleDual Stereo FilterCalibrated low-pass and high-pass filters per...

4.7/5 (40 reviews)
Sound:
8/10
Build:
7/10
Value:
7/10
XAOC Devices Zagrzeb - Professional Music Instrument Photo
#15

XAOC Devices Zagrzeb

Frequency Control Classic Synthesis Tonal Character
Key Feature:
• Essential for subtractive synthesis
✓ PROS
  • • Multiple filter types and characters
  • • Create classic synthesizer sounds
✗ CONS
  • • Self-oscillation can be tricky
  • • Character differences subtle to beginners

XAOC Devices ZagrzebEurorack ModuleStereo multimode filter4-Pole (-24 dB / oct.) state variable filterConfigurable...

4.7/5 (39 reviews)
Sound:
9/10
Build:
9/10
Value:
8/10

How to Choose the Best Filter Modules

Budget Planning

  • • Under $200: Entry-level
  • • $200-$500: Intermediate
  • • $500-$1000: Advanced
  • • $1000+: Professional

Quality Check

  • • Sound clarity & tone
  • • Build materials & finish
  • • Hardware durability
  • • Overall craftsmanship

Key Features

  • • Your musical style
  • • Skill level match
  • • Intended use case
  • • Brand reputation

Frequently Asked Questions

Key factors include build quality, sound characteristics, playability, brand reputation, warranty coverage, and value for money. Consider your musical style, skill level, and intended use to find the best match.
Budget depends on your needs and experience level. Beginners can find quality options for $200-500, intermediate players should consider $500-1500 range, while professionals often invest $1500+ for premium features.
Higher-priced filter modules typically offer better materials, craftsmanship, and performance. They're worth it if you're serious about music, perform regularly, or need professional-grade features.
Top brands combine quality, innovation, and reliability. We evaluate brands based on build quality, sound performance, durability, and customer satisfaction to recommend the best options for different budgets.
Both have advantages. Online offers better prices and selection, while stores allow hands-on testing. We recommend researching online first, then testing in stores if possible. Many online retailers offer excellent return policies.

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