Best Behringer Filter Modules 2026

Okay, let's talk Behringer filter modules. For years, Eurorack felt like an exclusive club, and filters, arguably the heart of any synth voice, were ridiculously expensive. Behringer changed that, bringing classic filter emulations to the masses. But are they good? That's what we're digging into - these aren't just cheap clones; they're a chance to explore classic tones without mortgaging your apartment.

Last updated: May 13, 2026 • Next update: May 20, 2026

Behringer Filtamp Module 1006 - Professional Music Instrument Photo
#1

Behringer Filtamp Module 1006

Tonal Character Subtractive Synthesis Audio Processing
Key Feature:
The Filtamp 1006 is a surprisingly capable little module. It delivers a warm, classic filter tone and the built-in VCA makes it a complete sound source. This is a fantastic entry point for beginners exploring modular synthesis, or a budget-friendly utility for experienced users.
PROS
  • • Excellent 24dB filter character, reminiscent of classic Moog designs
  • • Integrated VCA provides a complete voice-like functionality
  • • Affordable price point opens modular synthesis to more users
  • • Compact 16HP footprint maximizes space in Eurorack systems
CONS
  • • Plastic construction feels less robust than higher-end modules
  • • Limited filter modes restrict sonic versatility compared to pricier options
  • • Attenuators on CV inputs could benefit from finer resolution
4.7/5 Expert Rating
Sound:
6/10
Build:
5/10
Value:
10/10
Behringer 914 Fixed Filter Bank - Professional Music Instrument Photo
#2

Behringer 914 Fixed Filter Bank

Subtractive Synthesis Sound Shaping Frequency Control
Key Feature:
The 914 is a seriously impressive piece of kit for the price. It delivers a unique, almost Moog-like vibe with its fixed filter bank, perfect for sound designers and experimental musicians looking to add texture and movement without diving deep into complex modulation. It’s a great entry point into filter banks, offering a lot of sonic potential in a small package.
PROS
  • • Exceptional value for a 12-band filter bank.
  • • Provides complex, resonant filter sweeps easily.
  • • Parallel inputs/outputs offer flexible routing options.
  • • Compact 28HP footprint maximizes modular space.
CONS
  • • Fixed filter frequencies limit creative experimentation.
  • • Plastic housing feels less robust than higher-end modules.
  • • Limited CV control compared to more advanced filter designs.
4.9/5 Expert Rating
Sound:
7/10
Build:
6/10
Value:
8/10
Behringer 121 Dual VCF - Professional Music Instrument Photo
#3

Behringer 121 Dual VCF

Tonal Character Frequency Control Audio Processing
Key Feature:
This Behringer 121 Dual VCF is a seriously cool way to get that vintage inSystem vibe in your modular system. It's a fantastic value for anyone wanting a warm, characterful filter sound, especially if you’re into experimental sound design or recreating classic synth tones – it's a real workhorse for the budget-conscious modular enthusiast.
PROS
  • • Authentic inSystem 100Min recreation delivers a classic, warm filter tone
  • • Dual filter design enables complex, evolving soundscapes and parallel processing
  • • Flexible 3-mode HP filter adds significant tonal shaping options
  • • Extensive CV inputs and attenuators allow for deep modulation possibilities
CONS
  • • Plastic housing feels noticeably less robust than higher-end Eurorack modules
  • • Limited HP modes compared to more versatile filter designs
  • • 40mA current draw might stress power supplies in smaller systems
4.5/5 Expert Rating
Sound:
6/10
Build:
5/10
Value:
10/10
Behringer Swords - Professional Music Instrument Photo
#4

Behringer Swords

Classic Synthesis Frequency Control Sound Shaping
Key Feature:
The Swords is a seriously impressive filter module for the price. It's a fantastic entry point into complex filter design, letting you create everything from subtle warmth to gnarly, distorted textures. Ideal for experimental musicians and those wanting a powerful, versatile filter without a premium-priced investment.
PROS
  • • Dual filters offer immense sonic sculpting possibilities.
  • • Infinitely variable modes provide surprisingly nuanced filter character.
  • • Flexible routing options allow for complex signal chains.
  • • CV inputs offer deep modulation control for expressive sound design.
CONS
  • • Plastic construction feels less robust than higher-end modules.
  • • 18HP footprint can be restrictive in smaller Eurorack cases.
  • • Drive/wavefolder can get harsh quickly without careful attenuation.
4.6/5 Expert Rating
Sound:
8/10
Build:
8/10
Value:
7/10
Behringer Multi Filter/Resonator 1047 - Professional Music Instrument Photo
#5

Behringer Multi Filter/Resonator 1047

Tonal Character Audio Processing Classic Synthesis
Key Feature:
This Behringer 1047 is a shockingly capable filter module for the money. It delivers a genuinely aggressive resonance and a surprising range of tones, making it perfect for experimental sound design and adding grit to techno or industrial tracks – especially for those just getting into Eurorack.
PROS
  • • Excellent resonance character, truly usable for screaming sounds
  • • Surprisingly robust build quality for the price point
  • • Four distinct filter modes offer tonal versatility
  • • CV inputs allow for dynamic, expressive filter sweeps
CONS
  • • Plastic knobs feel cheap and lack precise control
  • • Limited HP width restricts integration in smaller racks
  • • Not a substitute for a high-end Moog or Buchla filter
4.8/5 Expert Rating
Sound:
8/10
Build:
7/10
Value:
8/10
Behringer Wasp VCF - Professional Music Instrument Photo
#6

Behringer Wasp VCF

Sound Shaping Audio Processing Classic Synthesis
Key Feature:
This Wasp VCF is a seriously fun little module. It captures a surprising amount of the original Wasp Deluxe's character, making it perfect for those wanting that classic, gritty 80s synth vibe without a massive investment. It's a great entry point into analog filtering for beginners, or a fun addition for experienced modular users.
PROS
  • • Classic Wasp filter sound at a fraction of the original's cost
  • • Surprisingly musical resonance, capable of subtle warmth or aggressive sweeps
  • • Multiple filter modes offer decent versatility for a single module
  • • Compact 8HP footprint makes it ideal for space-constrained racks
CONS
  • • Plastic housing feels a bit flimsy compared to higher-end filter modules
  • • Limited CV input attenuation range can be restrictive in modulation setups
  • • The bandpass output is noticeably quieter than the low/high-pass
4.9/5 Expert Rating
Sound:
7/10
Build:
7/10
Value:
10/10
Behringer 923 Filters - Professional Music Instrument Photo
#7

Behringer 923 Filters

Sound Shaping Audio Processing Subtractive Synthesis
Key Feature:
These Behringer 923 Filters are a surprisingly capable and affordable way to add classic Moog-style filtering to your modular rig. They're perfect for experimental sound designers, ambient musicians, or anyone wanting that warm, vintage filter tone without spending a fortune – just be mindful of the resonance's quirks.
PROS
  • • Warm, Moog-inspired filter character delivers classic analog tones
  • • Dual filter design allows for complex stereo effects and processing
  • • Compact 8HP footprint maximizes space in Eurorack systems
  • • Noise generator provides useful textures for sound design and experimentation
CONS
  • • Plastic housing feels less robust than higher-end filter modules
  • • Limited CV modulation options restrict advanced parameter control
  • • Filter resonance can get a bit unruly at higher settings
4.5/5 Expert Rating
Sound:
7/10
Build:
6/10
Value:
8/10
Behringer Surges - Professional Music Instrument Photo
#8

Behringer Surges

Subtractive Synthesis Classic Synthesis Audio Processing
Key Feature:
The Behringer Surges is a surprisingly capable filter module for the price, clearly inspired by Mutable Instruments' Ripples. Its sound is warm and musical, perfect for adding character to evolving textures or creating resonant sweeps – a real boon for experimental electronic music producers and those exploring modular synthesis on a budget.
PROS
  • • Excellent filter character, recalling classic Japanese synths
  • • Remarkable value, especially considering Ripples inspiration
  • • Flexible slope switch (12/24dB) offers tonal versatility
  • • FM input and self-oscillation expand sound design possibilities
CONS
  • • 8HP footprint can be limiting in smaller modular systems
  • • Analogue circuit might exhibit slight drift over extended use
  • • Gain control on one input could introduce unwanted noise at high levels
4.7/5 Expert Rating
Sound:
7/10
Build:
6/10
Value:
8/10
Behringer 904A VC Low Pass Filter - Professional Music Instrument Photo
#9

Behringer 904A VC Low Pass Filter

Subtractive Synthesis Tonal Character Sound Shaping
Key Feature:
This Behringer 904A nails that classic Moog ladder filter vibe, offering a surprisingly rich and expressive sound for the price. It's an absolute steal for experimental electronic musicians, modular beginners, or anyone wanting a seriously characterful low-pass filter without emptying their wallet. The resonance is particularly fun to play with.
PROS
  • • Classic Moog-inspired tone at a fraction of the cost
  • • Versatile resonance sweeps create pronounced, musical filtering
  • • Three frequency ranges offer broad sonic sculpting possibilities
  • • Compact 8HP footprint maximizes space in tight Eurorack setups
CONS
  • • Plastic construction feels less robust than higher-end filter modules
  • • Limited input headroom can cause distortion with strong signals
  • • CV inputs lack fine-tuning control for precise filter modulation
4.7/5 Expert Rating
Sound:
7/10
Build:
6/10
Value:
8/10

How to Choose the Best Filter Modules

1

Heritage/Accuracy

Behringer's really focused on nailing the sonic character of legendary filters like the Moog Ladder, Roland Juno, and Sequential Designs Pro. They're not perfect clones - there's always a Behringer 'flavor' - but the core essence is there, and often surprisingly close.

2

Tone Characteristics

The Moog-inspired filters offer that classic fat midrange honk, great for basslines and pads. The Juno filters give you that glassy, shimmering clean - think shimmering synth brass. The Sequential filters have a more aggressive, resonant character, perfect for cutting through a dense mix, but can get a bit ice-picky if you're not careful.

3

Build Quality

Let's be honest, these aren't built like a tank. The pots can feel a little scratchy, and the plastic case is...plastic. But for the price, they're surprisingly robust; I've gigged with them for years and haven't had any catastrophic failures, just a few wobbly pots that needed a bit of contact cleaner.

4

Versatility

While they're often modeled after specific synths, these filters are surprisingly versatile. You can use them to add character to external signals - guitar, vocals, drums - or as a creative element within your modular setup. Experiment with resonance and drive to really push them.

5

Value

This is the big one. The sheer affordability of Behringer filters is a game-changer. They open up the world of modular synthesis to a much wider audience and allow you to experiment with different filter types without breaking the bank.

Buying Guide

Look, these aren't going to replace a vintage Moog, but for the price, they're an incredible value. The pots can be a bit finicky, so budget for some contact cleaner. Don't expect bombproof construction, but don't baby them either. If you're new to modular, these are a fantastic entry point; if you're a seasoned synth nerd, they're a great way to expand your sonic palette without emptying your wallet.

Our Methodology

We're not just looking at spec sheets here. We've put these filters through the wringer: patching them into various modular systems, A/B'ing them against the originals when possible (yeah, we have some of those!), and most importantly, using them in real-world scenarios - gigging, recording, and just plain noodling around. It's about how they feel and how they sound in a mix, not just the numbers on a page.

Frequently Asked Questions

They're inspired by classic filters, not exact clones. They capture the core sound, but there's a slight Behringer signature - sometimes a bit more aggressive, sometimes a bit more saturated. It's not always a bad thing.
Yeah, it's pretty common. A little contact cleaner usually does the trick. It's a trade-off for the low price point.
Absolutely! They're voltage-controlled, so you can use them to process external audio signals. You'll need a way to control the cutoff frequency with a CV source, though.
It depends on your taste. The Moog-inspired filter is a great all-rounder. If you're after shimmering, glassy tones, go for the Juno. For aggressive, resonant sounds, the Sequential filter is your best bet.
Some of the earlier models had a bit of noise, but Behringer has been working on improving that. Generally, they're not excessively noisy, but you might hear some hiss at high resonance settings. It's part of the character, really.

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