Best Filter Modules Under $500 2025
Affordable filter modules under $500 - great value without compromising quality
Last updated: October 22, 2025 • Next update: October 29, 2025
Radikal Technologies RT-451
- • Essential for subtractive synthesis
- • CV control over frequency and resonance
- • 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...
Vostok Instruments Atlas
- • Shape and color synthesized sounds
- • Multiple filter types and characters
- • 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...
Schlappi Engineering 100 Grit Black
- • Create classic synthesizer sounds
- • CV control over frequency and resonance
- • 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...
Shakmat Modular Centaur´s Gate
- • Create classic synthesizer sounds
- • Multiple filter types and characters
- • Self-oscillation can be tricky
- • Character differences subtle to beginners
Shakmat Modular Centaur´s GateEurorack ModuleDual multi-type gate2 Independent channels with analogue signal...
Bastl Instruments Ikarie
- • CV control over frequency and resonance
- • Shape and color synthesized sounds
- • Can be expensive for quality filters
- • Character differences subtle to beginners
Bastl Instruments IkarieEurorack ModuleStereo and dual-peak filterCutoff control with continuous crossfade between...
Weston Precision Audio SF1 Dual / Stereo Filter
- • Shape and color synthesized sounds
- • Create classic synthesizer sounds
- • 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...
4ms Spectral Multiband Resonator
- • Multiple filter types and characters
- • Shape and color synthesized sounds
- • 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...
Joranalogue Audio Design Filter 8
- • Essential for subtractive synthesis
- • Shape and color synthesized sounds
- • 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...
Klavis Grainity Black
- • Essential for subtractive synthesis
- • Multiple filter types and characters
- • Character differences subtle to beginners
- • Can be expensive for quality filters
Klavis Grainity BlackEurorack ModuleDigitally controlled analogue granular and multimode filterFully analogue signal...
AJH Synth Sonic XV black
- • Multiple filter types and characters
- • Essential for subtractive synthesis
- • Patch complexity with multiple filters
- • Character differences subtle to beginners
AJH Synth Sonic XV blackEurorack ModuleDiode Ladder FilterControls for cutoffresonance and input levelTwo integrated...
Make Noise QPAS
- • Create classic synthesizer sounds
- • Shape and color synthesized sounds
- • 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...
TouellSkouarn Ar Merc´het Brao
- • Multiple filter types and characters
- • CV control over frequency and resonance
- • Self-oscillation can be tricky
- • Can be expensive for quality filters
TouellSkouarn Ar Merc´het BraoEurorack ModuleTwo-channel filter and overdriveCutoff frequencyresonance and overdrive...
Future Retro Transfer
- • Essential for subtractive synthesis
- • Multiple filter types and characters
- • 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...
Erica Synths Graphic Resonant FB
- • Multiple filter types and characters
- • Create classic synthesizer sounds
- • 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...
AJH Synth MiniMod VCF black
- • Shape and color synthesized sounds
- • Multiple filter types and characters
- • 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...
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