Best Filter Modules Under $500 2026

Affordable filter modules under $500 - great value without compromising quality

Last updated: January 14, 2026 • Next update: January 21, 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
Weston Precision Audio SF1 Dual / Stereo Filter - Professional Music Instrument Photo
#2

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
Bastl Instruments Ikarie - Professional Music Instrument Photo
#3

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
Tiptop Audio Model 292t - Professional Music Instrument Photo
#4

Tiptop Audio Model 292t

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
Joranalogue Audio Design Filter 8 - Professional Music Instrument Photo
#5

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
Vostok Instruments Atlas - Professional Music Instrument Photo
#6

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
AJH Synth Sonic XV black - Professional Music Instrument Photo
#7

AJH Synth Sonic XV black

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
TouellSkouarn Ar Merc´het Brao - Professional Music Instrument Photo
#8

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
Shakmat Modular Centaur´s Gate - Professional Music Instrument Photo
#9

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
AJH Synth Matrix VCF black - Professional Music Instrument Photo
#10

AJH Synth Matrix VCF black

Classic Synthesis Sound Shaping Frequency Control
Key Feature:
• CV control over frequency and resonance
✓ PROS
  • • Multiple filter types and characters
  • • Essential for subtractive synthesis
✗ CONS
  • • Self-oscillation can be tricky
  • • Patch complexity with multiple filters

AJH Synth Matrix VCF blackEurorack ModuleAnalogue multi-mode filter with VCA16 selectable filter typesincluding...

4.8/5 (13 reviews)
Sound:
7/10
Build:
7/10
Value:
7/10
Schlappi Engineering 100 Grit Black - Professional Music Instrument Photo
#11

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
AJH Synth MiniMod VCF black - Professional Music Instrument Photo
#12

AJH Synth MiniMod VCF black

Frequency Control Classic Synthesis Sound Shaping
Key Feature:
• Create classic synthesizer sounds
✓ PROS
  • • Shape and color synthesized sounds
  • • Multiple filter types and characters
✗ CONS
  • • Self-oscillation can be tricky
  • • May need multiple types for variety

AJH Synth MiniMod VCF blackEurorack ModuleExact replica of the legendary Ladder filterLow pass with edge steepness 24...

4.7/5 (49 reviews)
Sound:
7/10
Build:
7/10
Value:
7/10
ADDAC 603 VC Triple Bandpass Filter - Professional Music Instrument Photo
#13

ADDAC 603 VC Triple Bandpass Filter

Subtractive Synthesis Frequency Control Classic Synthesis
Key Feature:
• Multiple filter types and characters
✓ PROS
  • • Essential for subtractive synthesis
  • • CV control over frequency and resonance
✗ CONS
  • • Self-oscillation can be tricky
  • • Patch complexity with multiple filters

ADDAC 603 VC Triple Bandpass FilterEurorack ModuleContains 3 separate bandpass filters with identical...

4.5/5 (3 reviews)
Sound:
7/10
Build:
7/10
Value:
8/10
ADDAC 601 VC Fixed Filterbank - Professional Music Instrument Photo
#14

ADDAC 601 VC Fixed Filterbank

Sound Shaping Subtractive Synthesis Frequency Control
Key Feature:
• Multiple filter types and characters
✓ PROS
  • • CV control over frequency and resonance
  • • Essential for subtractive synthesis
✗ CONS
  • • Self-oscillation can be tricky
  • • Can be expensive for quality filters

ADDAC 601 VC Fixed FilterbankEurorack ModuleAnalogue 8-band filter bankPer frequency band: volume controlmute switchVCA...

4.7/5 (38 reviews)
Sound:
8/10
Build:
7/10
Value:
9/10
Modbap Modular Meridian - Professional Music Instrument Photo
#15

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

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.

We use cookies to improve your experience. Learn more