Best Doepfer Filter Modules 2026
Premium Doepfer filter modules - legendary tone and craftsmanship
Last updated: February 11, 2026 • Next update: February 18, 2026
#1
⭐
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
#2
⭐
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
#3
⭐
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
#4
⭐
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
#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
⭐
4.8/5
(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
#7
⭐
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
#8
⭐
4.5/5
(23 reviews)
Sound:
8/10
Build:
8/10
Value:
9/10
Doepfer A-104
by
Doepfer
Classic Synthesis
Audio Processing
Frequency Control
Key Feature:
• Shape and color synthesized sounds
✓ PROS
- • Create classic synthesizer sounds
- • CV control over frequency and resonance
✗ CONS
- • Self-oscillation can be tricky
- • Character differences subtle to beginners
Doepfer A-104, Quad Resonance Filter, Trautonium formant filter, Width: 20 TE / 20 HP / 101.2 mm, Depth: 45 mm...
⭐
4.5/5
(23 reviews)
Sound:
8/10
Build:
8/10
Value:
9/10
Art. 114712
$153
#9
⭐
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
#10
⭐
4.9/5
(19 reviews)
Sound:
6/10
Build:
5/10
Value:
9/10
Doepfer A-106-5 SEM Filter
by
Doepfer
Audio Processing
Subtractive Synthesis
Frequency Control
Key Feature:
• Essential for subtractive synthesis
✓ PROS
- • CV control over frequency and resonance
- • Shape and color synthesized sounds
✗ CONS
- • Self-oscillation can be tricky
- • Patch complexity with multiple filters
Doepfer A-106-5 SEM FilterFilter12 dB Multi-mode filterin which the circuit of the SEM module is usedWidth: 8HP 40.3...
⭐
4.9/5
(19 reviews)
Sound:
6/10
Build:
5/10
Value:
9/10
Art. 253405
$94
#11
⭐
4.6/5
(41 reviews)
Sound:
6/10
Build:
5/10
Value:
8/10
Doepfer A-103 18dB Low Pass Filter
by
Doepfer
Classic Synthesis
Audio Processing
Subtractive Synthesis
Key Feature:
• Shape and color synthesized sounds
✓ PROS
- • Create classic synthesizer sounds
- • CV control over frequency and resonance
✗ CONS
- • Character differences subtle to beginners
- • Self-oscillation can be tricky
Doepfer A-103 18DB Low-Pass Filter18 dB Low-Pass Filter for A 100 Modular SystemVoltage-controlled low-pass filter with...
⭐
4.6/5
(41 reviews)
Sound:
6/10
Build:
5/10
Value:
8/10
Art. 199307
$98
#12
⭐
4.6/5
(43 reviews)
Sound:
7/10
Build:
5/10
Value:
10/10
Doepfer A-124 Wasp Filter SE
by
Doepfer
Sound Shaping
Audio Processing
Subtractive Synthesis
Key Feature:
• CV control over frequency and resonance
✓ PROS
- • CV control over frequency and resonance
- • Essential for subtractive synthesis
✗ CONS
- • Character differences subtle to beginners
- • Self-oscillation can be tricky
Doepfer A-124 Wasp Filter SEWasp FilterSpecial editionSpecial 12 dB multimode filterCircuit technology of the "EDP...
⭐
4.6/5
(43 reviews)
Sound:
7/10
Build:
5/10
Value:
10/10
Art. 369708
$97
#13
⭐
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
#14
⭐
4.9/5
(44 reviews)
Sound:
9/10
Build:
7/10
Value:
8/10
Doepfer A-105-2
by
Doepfer
Sound Shaping
Classic Synthesis
Audio Processing
Key Feature:
• Create classic synthesizer sounds
✓ PROS
- • CV control over frequency and resonance
- • Shape and color synthesized sounds
✗ CONS
- • Can be expensive for quality filters
- • May need multiple types for variety
Doepfer A-105-2Eurorack ModuleAnalogue low-pass filter (24 dB/oct.) based on the SSI2144 filter moduleControl for...
⭐
4.9/5
(44 reviews)
Sound:
9/10
Build:
7/10
Value:
8/10
Art. 583547
$127
#15
⭐
5.0/5
(38 reviews)
Sound:
7/10
Build:
6/10
Value:
9/10
Doepfer A-102
by
Doepfer
Sound Shaping
Frequency Control
Tonal Character
Key Feature:
• CV control over frequency and resonance
✓ PROS
- • CV control over frequency and resonance
- • Essential for subtractive synthesis
✗ CONS
- • Self-oscillation can be tricky
- • May need multiple types for variety
Doepfer A-102Diode Low Pass FilterManual adjustment of the filter frequency3 CV inputs - CV1 withoutInput level...
⭐
5.0/5
(38 reviews)
Sound:
7/10
Build:
6/10
Value:
9/10
Art. 114711
$97
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.
