Best Filter Modules for Audio Processing 2026
Perfect filter modules for audio-processing - easy to play and learn on
Last updated: January 21, 2026 • Next update: January 28, 2026
#1
⭐
4.8/5
(10 reviews)
Sound:
10/10
Build:
9/10
Value:
7/10
Tiptop Audio Octopass
by
Tiptop Audio
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
Art. 612564
$549
#2
⭐
4.7/5
(6 reviews)
Sound:
9/10
Build:
9/10
Value:
7/10
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
Art. 600179
$384
#3
⭐
4.8/5
(11 reviews)
Sound:
10/10
Build:
9/10
Value:
8/10
XAOC Devices Oradea
by
XAOC Devices
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
Art. 617684
$571
#4
⭐
5.0/5
(55 reviews)
Sound:
7/10
Build:
7/10
Value:
7/10
Modbap Modular Meridian
Classic Synthesis
Frequency Control
Sound Shaping
Key Feature:
• Multiple filter types and characters
✓ PROS
- • Essential for subtractive synthesis
- • Multiple filter types and characters
✗ CONS
- • Can be expensive for quality filters
- • Self-oscillation can be tricky
Modbap Modular MeridianEurorack ModuleDigital stereo multimode filter4 Selectable filter types per channel: Ladder and...
⭐
5.0/5
(55 reviews)
Sound:
7/10
Build:
7/10
Value:
7/10
Art. 587651
$395
#5
⭐
4.6/5
(4 reviews)
Sound:
8/10
Build:
10/10
Value:
8/10
Frap Tools Cunsa
by
Frap Tools
Frequency Control
Classic Synthesis
Audio Processing
Key Feature:
• Essential for subtractive synthesis
✓ PROS
- • Essential for subtractive synthesis
- • Multiple filter types and characters
✗ CONS
- • Can be expensive for quality filters
- • May need multiple types for variety
Frap Tools CunsaEurorack ModuleAnalogue 4-channel multimode filterPer filter: Adjustable cutoffresonance and saturation...
⭐
4.6/5
(4 reviews)
Sound:
8/10
Build:
10/10
Value:
8/10
Art. 567793
$1,088
#6
⭐
4.6/5
(36 reviews)
Sound:
8/10
Build:
8/10
Value:
7/10
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
Art. 596018
$373
#7
⭐
5.0/5
(39 reviews)
Sound:
9/10
Build:
9/10
Value:
6/10
Tiptop Audio Model 296t
by
Tiptop Audio
Sound Shaping
Subtractive Synthesis
Classic Synthesis
Key Feature:
• Essential for subtractive synthesis
✓ PROS
- • Multiple filter types and characters
- • Essential for subtractive synthesis
✗ CONS
- • Can be expensive for quality filters
- • May need multiple types for variety
Tiptop Audio Model 296tEurorack ModuleProgrammable Spectral ProcessorVoltage controllable 16-band filter bank for...
⭐
5.0/5
(39 reviews)
Sound:
9/10
Build:
9/10
Value:
6/10
Art. 580277
$769
#8
⭐
4.7/5
(14 reviews)
Sound:
8/10
Build:
8/10
Value:
9/10
Tiptop Audio Model 292t
by
Tiptop Audio
Tonal Character
Sound Shaping
Subtractive Synthesis
Key Feature:
• CV control over frequency and resonance
✓ PROS
- • Multiple filter types and characters
- • CV control over frequency and resonance
✗ CONS
- • Patch complexity with multiple filters
- • Self-oscillation can be tricky
Tiptop Audio Model 292tEurorack ModuleQuad Lopass Gate4-channel VCA / lowpass gate without optocoupler (vactrol)Per...
⭐
4.7/5
(14 reviews)
Sound:
8/10
Build:
8/10
Value:
9/10
Art. 610231
$439
#9
⭐
4.6/5
(46 reviews)
Sound:
8/10
Build:
8/10
Value:
8/10
Erica Synths Graphic Resonant FB
by
Erica Synths
Audio Processing
Subtractive Synthesis
Frequency Control
Key Feature:
• Essential for subtractive synthesis
✓ PROS
- • Multiple filter types and characters
- • Create classic synthesizer sounds
✗ CONS
- • Patch complexity with multiple filters
- • May need multiple types for variety
Erica Synths Graphic Resonant FBEurorack ModuleGraphic Resonant FilterbankAnalogue 10-band filter bank with digital...
⭐
4.6/5
(46 reviews)
Sound:
8/10
Build:
8/10
Value:
8/10
Art. 599424
$406
#10
⭐
4.7/5
(38 reviews)
Sound:
9/10
Build:
9/10
Value:
9/10
Future Retro Transfer
by
Future Retro
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
Art. 604647
$439
#11
⭐
4.9/5
(20 reviews)
Sound:
9/10
Build:
9/10
Value:
8/10
AJH Synth Sonic XV black
by
AJH Synth
Classic Synthesis
Frequency Control
Audio Processing
Key Feature:
• CV control over frequency and resonance
✓ PROS
- • Multiple filter types and characters
- • Essential for subtractive synthesis
✗ CONS
- • Patch complexity with multiple filters
- • Character differences subtle to beginners
AJH Synth Sonic XV blackEurorack ModuleDiode Ladder FilterControls for cutoffresonance and input levelTwo integrated...
⭐
4.9/5
(20 reviews)
Sound:
9/10
Build:
9/10
Value:
8/10
Art. 590778
$395
#12
⭐
4.9/5
(55 reviews)
Sound:
7/10
Build:
9/10
Value:
9/10
Intellijel Designs SVF 1U
Subtractive Synthesis
Audio Processing
Sound Shaping
Key Feature:
• Create classic synthesizer sounds
✓ PROS
- • CV control over frequency and resonance
- • Multiple filter types and characters
✗ CONS
- • Patch complexity with multiple filters
- • Character differences subtle to beginners
Intellijel Designs SVF 1UEurorack ModuleVoltage controlled multimode filterTwo modulation inputsFM-CV inputOptional...
⭐
4.9/5
(55 reviews)
Sound:
7/10
Build:
9/10
Value:
9/10
Art. 572753
$174
#13
⭐
4.5/5
(14 reviews)
Sound:
7/10
Build:
7/10
Value:
7/10
Bastl Instruments Cinnamon
Classic Synthesis
Audio Processing
Tonal Character
Key Feature:
• CV control over frequency and resonance
✓ PROS
- • Multiple filter types and characters
- • CV control over frequency and resonance
✗ CONS
- • May need multiple types for variety
- • Can be expensive for quality filters
Bastl Instruments CinnamonEurorack ModuleAnalogue multimode filterControls for filter frequency and resonanceCharacter...
⭐
4.5/5
(14 reviews)
Sound:
7/10
Build:
7/10
Value:
7/10
Art. 563232
$193
#14
⭐
4.8/5
(12 reviews)
Sound:
7/10
Build:
7/10
Value:
7/10
Bastl Instruments Ikarie
Subtractive Synthesis
Sound Shaping
Classic Synthesis
Key Feature:
• Multiple filter types and characters
✓ PROS
- • CV control over frequency and resonance
- • Shape and color synthesized sounds
✗ CONS
- • Can be expensive for quality filters
- • Character differences subtle to beginners
Bastl Instruments IkarieEurorack ModuleStereo and dual-peak filterCutoff control with continuous crossfade between...
⭐
4.8/5
(12 reviews)
Sound:
7/10
Build:
7/10
Value:
7/10
Art. 563221
$350
#15
⭐
4.6/5
(36 reviews)
Sound:
9/10
Build:
8/10
Value:
8/10
Make Noise DXG
by
Make Noise
Tonal Character
Sound Shaping
Subtractive Synthesis
Key Feature:
• Multiple filter types and characters
✓ PROS
- • Create classic synthesizer sounds
- • Multiple filter types and characters
✗ CONS
- • Can be expensive for quality filters
- • May need multiple types for variety
Make Noise DXGEurorack ModuleDual Stereo GateStereo lowpass gate with two channelsTwo audio inputs per channel (left...
⭐
4.6/5
(36 reviews)
Sound:
9/10
Build:
8/10
Value:
8/10
Art. 583478
$237
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.
