Best Filter Modules Under $300 2025
Affordable filter modules under $300 - great value without compromising quality
Last updated: October 22, 2025 • Next update: October 29, 2025
Make Noise DXG
- • Create classic synthesizer sounds
- • Multiple filter types and characters
- • 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...
XAOC Devices Zagrzeb
- • Multiple filter types and characters
- • Create classic synthesizer sounds
- • Self-oscillation can be tricky
- • Character differences subtle to beginners
XAOC Devices ZagrzebEurorack ModuleStereo multimode filter4-Pole (-24 dB / oct.) state variable filterConfigurable...
Erica Synths Black 3109 VCF/VCA
- • Create classic synthesizer sounds
- • Multiple filter types and characters
- • Can be expensive for quality filters
- • Patch complexity with multiple filters
Erica Synths Black 3109 VCF/VCAEurorack ModuleLow-pass filter (24 dB/oct.) with built-in VCAControls for...
ADDAC 604 Dual Filter
- • CV control over frequency and resonance
- • Create classic synthesizer sounds
- • Character differences subtle to beginners
- • Self-oscillation can be tricky
ADDAC 604 Dual FilterEurorack ModuleAnalogue two-channel multimode filterSwitchable stereo modePer channel: Controls...
XAOC Devices Katowice
- • Essential for subtractive synthesis
- • Create classic synthesizer sounds
- • Character differences subtle to beginners
- • Can be expensive for quality filters
XAOC Devices KatowiceEurorack ModuleVariable stereo band isolator3 Frequency bands (lowhigh)each with volume fader and...
Doepfer A-105-4 Quad Poly VCF
- • Multiple filter types and characters
- • Shape and color synthesized sounds
- • Self-oscillation can be tricky
- • Patch complexity with multiple filters
Doepfer A-105-4 Quad Poly VCFEurorack ModulePolyphonic filter module with 4 analogue 24dB low-pass filtersCommon...
Doepfer A-121s
- • Create classic synthesizer sounds
- • Multiple filter types and characters
- • May need multiple types for variety
- • Can be expensive for quality filters
Doepfer A-121sEurorack ModuleStereo multimode VCFEach filter has continuously adjustable characteristics (from low-pass...
Erica Synths Black LPG
- • CV control over frequency and resonance
- • Create classic synthesizer sounds
- • Character differences subtle to beginners
- • Self-oscillation can be tricky
Erica Synths Black LPGEurorack ModuleLowpass gate with resonanceUsable as VCFVCA or a combination of bothControls for...
Doepfer A-127
- • CV control over frequency and resonance
- • Shape and color synthesized sounds
- • Character differences subtle to beginners
- • Can be expensive for quality filters
Doepfer A-127, VC Resonance Filter, Width: 28 HP, Depth: 55 mm, Power requirements: +100 mA (+ 12V)/-60 mA (-12 V),...
Befaco Pony VCF
- • Essential for subtractive synthesis
- • Shape and color synthesized sounds
- • Can be expensive for quality filters
- • Patch complexity with multiple filters
Befaco Pony VCFEurorack ModuleAnalogue low-pass filter with 3-channel mixer and VCAMixer with three audio inputslevel...
Doepfer A-121s VE
- • Multiple filter types and characters
- • Create classic synthesizer sounds
- • Self-oscillation can be tricky
- • Can be expensive for quality filters
Doepfer A-121s VEEurorack ModuleStereo multimode VCFVintage Edition with a black front panelEach filter has...
Tobinski Dual LPG/VCA
- • Shape and color synthesized sounds
- • Essential for subtractive synthesis
- • May need multiple types for variety
- • Character differences subtle to beginners
Tobinski Dual LPG/VCAEurorack ModuleTwo independent channelsMode switchable per channel between Low Pass Gate (LPG) or...
Erica Synths Drum Stereo DJ VCF
- • CV control over frequency and resonance
- • Shape and color synthesized sounds
- • Character differences subtle to beginners
- • Patch complexity with multiple filters
Erica Synths Drum Stereo DJ VCFEurorack ModuleAnalogue filter (-24dB/oct) with stepless crossfading between low-pass...
Ritual Electronics Altar II
- • Essential for subtractive synthesis
- • CV control over frequency and resonance
- • 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...
Befaco BF-22 Sallen Key Filter
- • Shape and color synthesized sounds
- • CV control over frequency and resonance
- • Character differences subtle to beginners
- • Patch complexity with multiple filters
Befaco BF-22 Sallen Key FilterEurorack ModuleAnalogue two-channel filter from the MS-20Each channel switchable between...
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