Best Filter Modules Under $100 2025

Affordable filter modules under $100 - great value without compromising quality

Last updated: October 22, 2025 • Next update: October 29, 2025

Doepfer A-102 - Professional Music Instrument Photo
#1

Doepfer A-102

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
Behringer 923 Filters - Professional Music Instrument Photo
#2

Behringer 923 Filters

Sound Shaping Audio Processing Subtractive Synthesis
Key Feature:
• Essential for subtractive synthesis
✓ PROS
  • • Create classic synthesizer sounds
  • • Essential for subtractive synthesis
✗ CONS
  • • Self-oscillation can be tricky
  • • Character differences subtle to beginners

Behringer 923 FiltersEurorack ModuleAnalogue dual filter and noise generatorSeparate low-pass and high-pass filterPer...

4.5/5 (20 reviews)
Sound:
7/10
Build:
6/10
Value:
8/10
Shakmat Modular HiPass - Professional Music Instrument Photo
#3

Shakmat Modular HiPass

Audio Processing Classic Synthesis Subtractive Synthesis
Key Feature:
• Shape and color synthesized sounds
✓ PROS
  • • CV control over frequency and resonance
  • • Multiple filter types and characters
✗ CONS
  • • May need multiple types for variety
  • • Can be expensive for quality filters

Shakmat Modular HiPassEurorack ModuleFour-channel high-pass filter4 Sections with 2 identical filters eachSection 1...

5.0/5 (42 reviews)
Sound:
7/10
Build:
6/10
Value:
8/10
Behringer Multi Filter/Resonator 1047 - Professional Music Instrument Photo
#4

Behringer Multi Filter/Resonator 1047

Tonal Character Audio Processing Classic Synthesis
Key Feature:
• CV control over frequency and resonance
✓ PROS
  • • Create classic synthesizer sounds
  • • CV control over frequency and resonance
✗ CONS
  • • Can be expensive for quality filters
  • • May need multiple types for variety

Behringer Multi Filter/Resonator 1047Eurorack ModuleAnalogue multimode filter (-12dB / Oct.)Controls for input...

4.5/5 (21 reviews)
Sound:
8/10
Build:
7/10
Value:
8/10
Doepfer A-124 Wasp Filter - Professional Music Instrument Photo
#5

Doepfer A-124 Wasp Filter

Audio Processing Sound Shaping Frequency Control
Key Feature:
• CV control over frequency and resonance
✓ PROS
  • • CV control over frequency and resonance
  • • Multiple filter types and characters
✗ CONS
  • • Character differences subtle to beginners
  • • Can be expensive for quality filters

Doepfer A-124 Wasp Filter, Wasp FilterModule A-124 is a special 12 dB multimode filter using the "strange"...

4.5/5 (15 reviews)
Sound:
8/10
Build:
7/10
Value:
10/10
Doepfer A-103 18dB Low Pass Filter - Professional Music Instrument Photo
#6

Doepfer A-103 18dB Low Pass Filter

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
Doepfer A-106-5 SEM Filter Special Ed. - Professional Music Instrument Photo
#7

Doepfer A-106-5 SEM Filter Special Ed.

Subtractive Synthesis Audio Processing Classic Synthesis
Key Feature:
• Create classic synthesizer sounds
✓ PROS
  • • Multiple filter types and characters
  • • Essential for subtractive synthesis
✗ CONS
  • • May need multiple types for variety
  • • Self-oscillation can be tricky

Doepfer A-106-5 SEM Filter Special Ed.Filter12 dB Multi-mode filterin which the circuit of the SEM module is...

4.5/5 (3 reviews)
Sound:
7/10
Build:
6/10
Value:
8/10
Behringer 914 Fixed Filter Bank - Professional Music Instrument Photo
#8

Behringer 914 Fixed Filter Bank

Subtractive Synthesis Sound Shaping Frequency Control
Key Feature:
• Shape and color synthesized sounds
✓ PROS
  • • Create classic synthesizer sounds
  • • Multiple filter types and characters
✗ CONS
  • • Patch complexity with multiple filters
  • • Can be expensive for quality filters

Behringer 914 Fixed Filter BankEurorack Module12 Active bandpass filters in the range of 125 Hz-5.6 kHzAdditional...

4.5/5 (7 reviews)
Sound:
7/10
Build:
6/10
Value:
8/10
Doepfer A-106-5 SEM Filter - Professional Music Instrument Photo
#9

Doepfer A-106-5 SEM Filter

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
Doepfer A-124 Wasp Filter SE - Professional Music Instrument Photo
#10

Doepfer A-124 Wasp Filter SE

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
Behringer Filtamp Module 1006 - Professional Music Instrument Photo
#11

Behringer Filtamp Module 1006

Tonal Character Subtractive Synthesis Audio Processing
Key Feature:
• Shape and color synthesized sounds
✓ PROS
  • • CV control over frequency and resonance
  • • Shape and color synthesized sounds
✗ CONS
  • • May need multiple types for variety
  • • Patch complexity with multiple filters

Behringer Filtamp Module 1006Eurorack ModuleAnalogue filter with VCA24 dB low-pass filter with controls for filter...

4.9/5 (36 reviews)
Sound:
6/10
Build:
5/10
Value:
10/10
Behringer Wasp VCF - Professional Music Instrument Photo
#12

Behringer Wasp VCF

Sound Shaping Audio Processing Classic Synthesis
Key Feature:
• Shape and color synthesized sounds
✓ PROS
  • • Multiple filter types and characters
  • • Essential for subtractive synthesis
✗ CONS
  • • Character differences subtle to beginners
  • • Self-oscillation can be tricky

Behringer Wasp VCFEurorack ModuleAnalogue multimode filter from the Wasp Deluxe synthesizerControls for input...

4.5/5 (29 reviews)
Sound:
7/10
Build:
7/10
Value:
10/10

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.

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