Best Doepfer Filter Modules 2026
Premium Doepfer filter modules - legendary tone and craftsmanship
Last updated: January 21, 2026 • Next update: January 28, 2026
#1
⭐
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
#2
⭐
4.6/5
(20 reviews)
Sound:
7/10
Build:
9/10
Value:
9/10
Doepfer A-127
by
Doepfer
Frequency Control
Sound Shaping
Classic Synthesis
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
- • 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),...
⭐
4.6/5
(20 reviews)
Sound:
7/10
Build:
9/10
Value:
9/10
Art. 114720
$226
#3
⭐
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
#4
⭐
4.5/5
(42 reviews)
Sound:
7/10
Build:
7/10
Value:
7/10
Doepfer A-128
by
Doepfer
Frequency Control
Classic Synthesis
Audio Processing
Key Feature:
• Essential for subtractive synthesis
✓ PROS
- • Create classic synthesizer sounds
- • Shape and color synthesized sounds
✗ CONS
- • Character differences subtle to beginners
- • Patch complexity with multiple filters
Doepfer A-128Fixed Filter Bank15 Parallel bandpass filtersAmplitude controller per band filterWidth 20 HPDepth: 60...
⭐
4.5/5
(42 reviews)
Sound:
7/10
Build:
7/10
Value:
7/10
Art. 114721
$196
#5
⭐
4.6/5
(37 reviews)
Sound:
7/10
Build:
8/10
Value:
9/10
Doepfer A-108
by
Doepfer
Sound Shaping
Audio Processing
Frequency Control
Key Feature:
• Create classic synthesizer sounds
✓ PROS
- • Multiple filter types and characters
- • Shape and color synthesized sounds
✗ CONS
- • Self-oscillation can be tricky
- • Character differences subtle to beginners
Doepfer A-108, Low-Pass Filter 6 / 12 / 24 / 48 dBModule A-108 is a completely new voltage-controlled low pass / band...
⭐
4.6/5
(37 reviews)
Sound:
7/10
Build:
8/10
Value:
9/10
Art. 170862
$169
#6
⭐
4.7/5
(36 reviews)
Sound:
9/10
Build:
7/10
Value:
7/10
Doepfer A-121d
by
Doepfer
Tonal Character
Classic Synthesis
Sound Shaping
Key Feature:
• CV control over frequency and resonance
✓ PROS
- • CV control over frequency and resonance
- • Create classic synthesizer sounds
✗ CONS
- • Character differences subtle to beginners
- • Patch complexity with multiple filters
Doepfer A-121dEurorack ModuleDual Multimode FilterContains 2 independent resonance filtersVCF 1 with band-pass and...
⭐
4.7/5
(36 reviews)
Sound:
9/10
Build:
7/10
Value:
7/10
Art. 596074
$175
#7
⭐
4.7/5
(14 reviews)
Sound:
9/10
Build:
8/10
Value:
9/10
Doepfer A-101-1
by
Doepfer
Frequency Control
Subtractive Synthesis
Audio Processing
Key Feature:
• Essential for subtractive synthesis
✓ PROS
- • Multiple filter types and characters
- • CV control over frequency and resonance
✗ CONS
- • Character differences subtle to beginners
- • Self-oscillation can be tricky
Doepfer A-101-1Vactrol Steiner FilterIn contrast to the original circuitthe A-101-1 vactrols are used instead of diodes...
⭐
4.7/5
(14 reviews)
Sound:
9/10
Build:
8/10
Value:
9/10
Art. 189174
$160
#8
⭐
4.6/5
(14 reviews)
Sound:
7/10
Build:
7/10
Value:
9/10
Doepfer A-106-1 Xtreme Filter (MS20)
by
Doepfer
Classic Synthesis
Subtractive Synthesis
Audio Processing
Key Feature:
• CV control over frequency and resonance
✓ PROS
- • Essential for subtractive synthesis
- • Create classic synthesizer sounds
✗ CONS
- • Patch complexity with multiple filters
- • May need multiple types for variety
Doepfer A-106 Xtreme Filter (MS20), MS20 Low/High Pass Filter, MS20 filter clone, Width: 14 HP / 70.8 mm, Depth: 40 mm...
⭐
4.6/5
(14 reviews)
Sound:
7/10
Build:
7/10
Value:
9/10
Art. 178322
$131
#9
⭐
5.0/5
(41 reviews)
Sound:
7/10
Build:
7/10
Value:
8/10
Doepfer A-105-2 VE
by
Doepfer
Audio Processing
Subtractive Synthesis
Sound Shaping
Key Feature:
• Shape and color synthesized sounds
✓ PROS
- • Multiple filter types and characters
- • Shape and color synthesized sounds
✗ CONS
- • Self-oscillation can be tricky
- • Character differences subtle to beginners
Doepfer A-105-2 VEEurorack ModuleVintage Edition with black front panelAnalogue low-pass filter (24 dB/oct.) based on...
⭐
5.0/5
(41 reviews)
Sound:
7/10
Build:
7/10
Value:
8/10
Art. 583553
$138
#10
⭐
4.7/5
(28 reviews)
Sound:
8/10
Build:
7/10
Value:
7/10
Doepfer A-124-2
by
Doepfer
Subtractive Synthesis
Classic Synthesis
Tonal Character
Key Feature:
• Create classic synthesizer sounds
✓ PROS
- • CV control over frequency and resonance
- • Shape and color synthesized sounds
✗ CONS
- • Self-oscillation can be tricky
- • May need multiple types for variety
Doepfer A-124-2Eurorack ModuleSlim Line Wasp Filter12 dB Multimode filterControl for cutoff frequency and resonance2...
⭐
4.7/5
(28 reviews)
Sound:
8/10
Build:
7/10
Value:
7/10
Art. 595777
$127
#11
⭐
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
#12
⭐
4.7/5
(5 reviews)
Sound:
9/10
Build:
9/10
Value:
7/10
Doepfer A-121d VE
by
Doepfer
Tonal Character
Frequency Control
Classic Synthesis
Key Feature:
• Essential for subtractive synthesis
✓ PROS
- • Shape and color synthesized sounds
- • Create classic synthesizer sounds
✗ CONS
- • Patch complexity with multiple filters
- • Can be expensive for quality filters
Doepfer A-121d VEEurorack ModuleDual Multimode FilterContains 2 independent resonance filtersVCF 1 with band-pass and...
⭐
4.7/5
(5 reviews)
Sound:
9/10
Build:
9/10
Value:
7/10
Art. 596076
$186
#13
⭐
5.0/5
(15 reviews)
Sound:
8/10
Build:
8/10
Value:
9/10
Doepfer A-121-2
by
Doepfer
Tonal Character
Frequency Control
Classic Synthesis
Key Feature:
• Create classic synthesizer sounds
✓ PROS
- • Create classic synthesizer sounds
- • Essential for subtractive synthesis
✗ CONS
- • Patch complexity with multiple filters
- • Can be expensive for quality filters
Doepfer A-121-212 dB multi-mode filterEurorack moduleVoltage-controlled multi-mode filter with a slope of -12 dB /...
⭐
5.0/5
(15 reviews)
Sound:
8/10
Build:
8/10
Value:
9/10
Art. 394744
$138
#14
⭐
4.8/5
(52 reviews)
Sound:
7/10
Build:
9/10
Value:
9/10
Doepfer A-120
by
Doepfer
Classic Synthesis
Frequency Control
Audio Processing
Key Feature:
• Create classic synthesizer sounds
✓ PROS
- • CV control over frequency and resonance
- • Essential for subtractive synthesis
✗ CONS
- • Character differences subtle to beginners
- • May need multiple types for variety
Doepfer A-120, 24 dB Low Pass 1 (VCF1)Module A-120 is a voltage-controlled 24 dB low-pass filterwhich filters out the...
⭐
4.8/5
(52 reviews)
Sound:
7/10
Build:
9/10
Value:
9/10
Art. 171666
$127
#15
⭐
4.5/5
(40 reviews)
Sound:
9/10
Build:
9/10
Value:
9/10
Doepfer A-124-2 SE
by
Doepfer
Tonal Character
Frequency Control
Audio Processing
Key Feature:
• Multiple filter types and characters
✓ PROS
- • Essential for subtractive synthesis
- • Multiple filter types and characters
✗ CONS
- • Can be expensive for quality filters
- • May need multiple types for variety
Doepfer A-124-2 SEEurorack ModuleSlim Line Wasp Filter Special Edition12 dB Multimode filterControl for cutoff...
⭐
4.5/5
(40 reviews)
Sound:
9/10
Build:
9/10
Value:
9/10
Art. 595775
$131
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.
