Best Filter Modules Under $300 2026
Affordable filter modules under $300 - great value without compromising quality
Last updated: January 14, 2026 • Next update: January 21, 2026
#1
⭐
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
#2
⭐
4.7/5
(39 reviews)
Sound:
9/10
Build:
9/10
Value:
8/10
XAOC Devices Zagrzeb
by
XAOC Devices
Frequency Control
Classic Synthesis
Tonal Character
Key Feature:
• Essential for subtractive synthesis
✓ PROS
- • Multiple filter types and characters
- • Create classic synthesizer sounds
✗ CONS
- • Self-oscillation can be tricky
- • Character differences subtle to beginners
XAOC Devices ZagrzebEurorack ModuleStereo multimode filter4-Pole (-24 dB / oct.) state variable filterConfigurable...
⭐
4.7/5
(39 reviews)
Sound:
9/10
Build:
9/10
Value:
8/10
Art. 528571
$285
#3
⭐
4.5/5
(55 reviews)
Sound:
9/10
Build:
8/10
Value:
8/10
NANO Modules ST-FONT
by
NANO Modules
Sound Shaping
Frequency Control
Classic Synthesis
Key Feature:
• Essential for subtractive synthesis
✓ PROS
- • Shape and color synthesized sounds
- • Multiple filter types and characters
✗ CONS
- • Character differences subtle to beginners
- • Can be expensive for quality filters
NANO Modules ST-FONTEurorack ModuleLiquid Stereo FilterTwo analogue multimode filters for stereo and dual-mono...
⭐
4.5/5
(55 reviews)
Sound:
9/10
Build:
8/10
Value:
8/10
Art. 604124
$215
#4
⭐
4.5/5
(54 reviews)
Sound:
8/10
Build:
8/10
Value:
9/10
Befaco BF-22 Sallen Key Filter
by
Befaco
Subtractive Synthesis
Tonal Character
Audio Processing
Key Feature:
• Essential for subtractive synthesis
✓ PROS
- • Shape and color synthesized sounds
- • CV control over frequency and resonance
✗ CONS
- • 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...
⭐
4.5/5
(54 reviews)
Sound:
8/10
Build:
8/10
Value:
9/10
Art. 466964
$241
#5
⭐
4.8/5
(51 reviews)
Sound:
8/10
Build:
7/10
Value:
7/10
Doepfer A-121s VE
by
Doepfer
Frequency Control
Tonal Character
Classic Synthesis
Key Feature:
• CV control over frequency and resonance
✓ PROS
- • Multiple filter types and characters
- • Create classic synthesizer sounds
✗ CONS
- • 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...
⭐
4.8/5
(51 reviews)
Sound:
8/10
Build:
7/10
Value:
7/10
Art. 551514
$285
#6
⭐
4.7/5
(51 reviews)
Sound:
9/10
Build:
7/10
Value:
9/10
Erica Synths Black Polivoks VCF V2
by
Erica Synths
Frequency Control
Tonal Character
Audio Processing
Key Feature:
• Essential for subtractive synthesis
✓ PROS
- • CV control over frequency and resonance
- • Essential for subtractive synthesis
✗ CONS
- • Patch complexity with multiple filters
- • Self-oscillation can be tricky
Erica Synths Black Polivoks VCF V2VCF moduleEmulation of the Russian synthesizer Polivoks by the Formanta Radio...
⭐
4.7/5
(51 reviews)
Sound:
9/10
Build:
7/10
Value:
9/10
Art. 420027
$218
#7
⭐
4.5/5
(49 reviews)
Sound:
9/10
Build:
9/10
Value:
9/10
Doepfer A-105-4 Quad Poly VCF
by
Doepfer
Sound Shaping
Tonal Character
Classic Synthesis
Key Feature:
• Multiple filter types and characters
✓ PROS
- • Multiple filter types and characters
- • Shape and color synthesized sounds
✗ CONS
- • 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...
⭐
4.5/5
(49 reviews)
Sound:
9/10
Build:
9/10
Value:
9/10
Art. 463292
$246
#8
⭐
4.7/5
(54 reviews)
Sound:
7/10
Build:
7/10
Value:
7/10
Tobinski Dual LPG/VCA
by
Tobinski
Classic Synthesis
Subtractive Synthesis
Audio Processing
Key Feature:
• Essential for subtractive synthesis
✓ PROS
- • Shape and color synthesized sounds
- • Essential for subtractive synthesis
✗ CONS
- • 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...
⭐
4.7/5
(54 reviews)
Sound:
7/10
Build:
7/10
Value:
7/10
Art. 621021
$274
#9
⭐
4.7/5
(46 reviews)
Sound:
7/10
Build:
7/10
Value:
8/10
XAOC Devices Katowice
by
XAOC Devices
Classic Synthesis
Audio Processing
Sound Shaping
Key Feature:
• Create classic synthesizer sounds
✓ PROS
- • Essential for subtractive synthesis
- • Create classic synthesizer sounds
✗ CONS
- • 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...
⭐
4.7/5
(46 reviews)
Sound:
7/10
Build:
7/10
Value:
8/10
Art. 505959
$284
#10
⭐
4.7/5
(40 reviews)
Sound:
8/10
Build:
7/10
Value:
7/10
Shakmat Modular Dual Dagger
Subtractive Synthesis
Tonal Character
Audio Processing
Key Feature:
• Multiple filter types and characters
✓ PROS
- • Essential for subtractive synthesis
- • CV control over frequency and resonance
✗ CONS
- • Can be expensive for quality filters
- • Character differences subtle to beginners
Shakmat Modular Dual DaggerEurorack ModuleDual Stereo FilterCalibrated low-pass and high-pass filters per...
⭐
4.7/5
(40 reviews)
Sound:
8/10
Build:
7/10
Value:
7/10
Art. 521325
$273
#11
⭐
4.6/5
(22 reviews)
Sound:
9/10
Build:
7/10
Value:
8/10
Befaco Pony VCF
by
Befaco
Subtractive Synthesis
Tonal Character
Frequency Control
Key Feature:
• Create classic synthesizer sounds
✓ PROS
- • Essential for subtractive synthesis
- • Shape and color synthesized sounds
✗ CONS
- • 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...
⭐
4.6/5
(22 reviews)
Sound:
9/10
Build:
7/10
Value:
8/10
Art. 589654
$204
#12
⭐
4.5/5
(25 reviews)
Sound:
9/10
Build:
9/10
Value:
9/10
Doepfer A-121s
by
Doepfer
Audio Processing
Classic Synthesis
Frequency Control
Key Feature:
• Shape and color synthesized sounds
✓ PROS
- • Create classic synthesizer sounds
- • Multiple filter types and characters
✗ CONS
- • 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...
⭐
4.5/5
(25 reviews)
Sound:
9/10
Build:
9/10
Value:
9/10
Art. 551513
$274
#13
⭐
4.4/5
(46 reviews)
Sound:
7/10
Build:
7/10
Value:
9/10
Tiptop Audio Z2040
by
Tiptop Audio
Sound Shaping
Frequency Control
Subtractive Synthesis
Key Feature:
• CV control over frequency and resonance
✓ PROS
- • Essential for subtractive synthesis
- • CV control over frequency and resonance
✗ CONS
- • Character differences subtle to beginners
- • Can be expensive for quality filters
Tiptop Audio Z2040Filter Module4 dB 4-pole low pass VCFRedesign of the Prophet 5 Rev 2 Low Pass FilterVoltage...
⭐
4.4/5
(46 reviews)
Sound:
7/10
Build:
7/10
Value:
9/10
Art. 438188
$219
#14
⭐
4.8/5
(42 reviews)
Sound:
7/10
Build:
8/10
Value:
7/10
Erica Synths Black LPG
by
Erica Synths
Audio Processing
Subtractive Synthesis
Tonal Character
Key Feature:
• Create classic synthesizer sounds
✓ PROS
- • CV control over frequency and resonance
- • Create classic synthesizer sounds
✗ CONS
- • 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...
⭐
4.8/5
(42 reviews)
Sound:
7/10
Build:
8/10
Value:
7/10
Art. 509918
$208
#15
⭐
4.6/5
(24 reviews)
Sound:
7/10
Build:
7/10
Value:
7/10
Erica Synths Drum Stereo DJ VCF
by
Erica Synths
Classic Synthesis
Subtractive Synthesis
Frequency Control
Key Feature:
• Shape and color synthesized sounds
✓ PROS
- • CV control over frequency and resonance
- • Shape and color synthesized sounds
✗ CONS
- • 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...
⭐
4.6/5
(24 reviews)
Sound:
7/10
Build:
7/10
Value:
7/10
Art. 582844
$230
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.
