Best Filter Modules 2026
Top-rated filter modules 2026 - expert picks for every budget and skill level
Last updated: January 7, 2026 • Next update: January 14, 2026
#1
⭐
4.4/5
(14 reviews)
Sound:
10/10
Build:
9/10
Value:
7/10
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
Art. 535682
$604
#2
⭐
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
#3
⭐
4.5/5
(2 reviews)
Sound:
8/10
Build:
8/10
Value:
6/10
Industrial Music Electronics Bionic Lester MKIII
Classic Synthesis
Tonal Character
Sound Shaping
Key Feature:
• Shape and color synthesized sounds
✓ PROS
- • Create classic synthesizer sounds
- • Multiple filter types and characters
✗ CONS
- • Self-oscillation can be tricky
- • Character differences subtle to beginners
Industrial Music Electronics Bionic Lester MKIIIEurorack ModuleDigital two-channel multimode filter2-Pole...
⭐
4.5/5
(2 reviews)
Sound:
8/10
Build:
8/10
Value:
6/10
Art. 471226
$527
#4
⭐
4.8/5
(5 reviews)
Sound:
9/10
Build:
8/10
Value:
9/10
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
Art. 597987
$350
#5
⭐
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
#6
⭐
4.6/5
(3 reviews)
Sound:
7/10
Build:
8/10
Value:
9/10
Schlappi Engineering 100 Grit
Audio Processing
Classic Synthesis
Frequency Control
Key Feature:
• Multiple filter types and characters
✓ PROS
- • Shape and color synthesized sounds
- • CV control over frequency and resonance
✗ CONS
- • May need multiple types for variety
- • Patch complexity with multiple filters
Schlappi Engineering 100 GritEurorack ModuleFilter with VCA and distortionLow-pass filter (24dB/oct.) with cutoff and...
⭐
4.6/5
(3 reviews)
Sound:
7/10
Build:
8/10
Value:
9/10
Art. 530365
$307
#7
⭐
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
#8
⭐
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
#9
⭐
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
#10
⭐
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
#11
⭐
4.5/5
(28 reviews)
Sound:
9/10
Build:
9/10
Value:
8/10
4ms Spectral Multiband Resonator
by
4ms
Frequency Control
Tonal Character
Classic Synthesis
Key Feature:
• Essential for subtractive synthesis
✓ PROS
- • Multiple filter types and characters
- • Shape and color synthesized sounds
✗ CONS
- • Can be expensive for quality filters
- • Character differences subtle to beginners
4ms Spectral Multiband ResonatorMultiband ResonatorTunable 6-channel bandpass filter and resonatorThe frequency of each...
⭐
4.5/5
(28 reviews)
Sound:
9/10
Build:
9/10
Value:
8/10
Art. 545208
$483
#12
⭐
4.6/5
(33 reviews)
Sound:
10/10
Build:
10/10
Value:
7/10
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
Art. 485130
$1,062
#13
⭐
4.6/5
(45 reviews)
Sound:
10/10
Build:
9/10
Value:
8/10
Frap Tools Fumana
by
Frap Tools
Subtractive Synthesis
Frequency Control
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
- • Can be expensive for quality filters
Frap Tools FumanaFilter ModuleDual 16 Band Spectral Editor ModuleFully analogvoltage controllable dual filter...
⭐
4.6/5
(45 reviews)
Sound:
10/10
Build:
9/10
Value:
8/10
Art. 436135
$1,044
#14
⭐
4.6/5
(50 reviews)
Sound:
8/10
Build:
8/10
Value:
7/10
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
Art. 518019
$395
#15
⭐
4.5/5
(8 reviews)
Sound:
7/10
Build:
7/10
Value:
9/10
Ritual Electronics Altar II
Sound Shaping
Audio Processing
Subtractive Synthesis
Key Feature:
• CV control over frequency and resonance
✓ PROS
- • Essential for subtractive synthesis
- • CV control over frequency and resonance
✗ CONS
- • Can be expensive for quality filters
- • Patch complexity with multiple filters
Ritual Electronics Altar IIEurorack ModuleAnalogue 3-pole multimode filterVariable filter type from bandpass to lowpass...
⭐
4.5/5
(8 reviews)
Sound:
7/10
Build:
7/10
Value:
9/10
Art. 585808
$274
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.
