AudioFu

Best Doepfer Mixer, Attenuator Modules 2026

Premium Doepfer mixer, attenuator modules - legendary tone and craftsmanship

Last updated: January 14, 2026 • Next update: January 21, 2026

PRICE RANGES: Under $100 Under $200 Under $300 Under $500 Under $800
SKILL LEVELS: For Beginner For Intermediate For Professional For Advanced
GENRES & STYLES: For Signal Mixing For Level Control For CV Processing For Audio Combining For Modulation Shaping For System Utility
BRANDS: Doepfer Intellijel Designs Befaco Erica Synths Frap Tools Klavis Tiptop Audio
Doepfer A-135-5 - Professional Music Instrument Photo
#1

Doepfer A-135-5

by Doepfer
CV Processing System Utility Modulation Shaping
Key Feature:
• Mix audio or control voltages
✓ PROS
  • • Fundamental building blocks
  • • Essential for combining multiple signals
✗ CONS
  • • May seem boring but essential
  • • Multiple types may be needed

Doepfer A-135-5Eurorack ModulePolyphonic mixer and sub-octave generator3 Channels (AC) each with 4 inputs for...

⭐ 4.5/5 (44 reviews)
Sound:
7/10
Build:
7/10
Value:
9/10
Art. 582316
$215
Buy at Thomann View Details
Doepfer A-135-1 - Professional Music Instrument Photo
#2

Doepfer A-135-1

by Doepfer
CV Processing Modulation Shaping Level Control
Key Feature:
• Essential for combining multiple signals
✓ PROS
  • • Fundamental building blocks
  • • Often include offset and scaling
✗ CONS
  • • Multiple types may be needed
  • • Basic utility function

Doepfer A-135-1Quad Linear VCA / Voltage Controlled MixerInputs: 4 x signal in4 x CV InOutputs: Signal Out4 x Single...

⭐ 4.6/5 (27 reviews)
Sound:
7/10
Build:
7/10
Value:
7/10
Art. 319143
$163
Buy at Thomann View Details
Doepfer A-135-3 - Professional Music Instrument Photo
#3

Doepfer A-135-3

by Doepfer
Modulation Shaping Signal Mixing System Utility
Key Feature:
• Fundamental building blocks
✓ PROS
  • • Fundamental building blocks
  • • Mix audio or control voltages
✗ CONS
  • • Multiple types may be needed
  • • May seem boring but essential

Doepfer A-135-3Eurorack ModuleVC Stereo mixerMixer with 4 stereo inputs and 2 VCAs per channelLevel control and CV...

⭐ 4.4/5 (54 reviews)
Sound:
8/10
Build:
8/10
Value:
8/10
Art. 499434
$151
Buy at Thomann View Details
Doepfer A-138p - Professional Music Instrument Photo
#4

Doepfer A-138p

by Doepfer
Signal Mixing System Utility Audio Combining
Key Feature:
• Essential for combining multiple signals
✓ PROS
  • • Mix audio or control voltages
  • • Essential for combining multiple signals
✗ CONS
  • • May seem boring but essential
  • • Multiple types may be needed

Doepfer A-138pPerformance Mixer - 4-Way Input ModuleControl knobs per channel: Gainoutput volumepan and AUXas well as...

⭐ 4.6/5 (16 reviews)
Sound:
8/10
Build:
8/10
Value:
8/10
Art. 399259
$171
Buy at Thomann View Details
Doepfer A-138o - Professional Music Instrument Photo
#5

Doepfer A-138o

by Doepfer
Modulation Shaping Audio Combining Level Control
Key Feature:
• Essential for combining multiple signals
✓ PROS
  • • Mix audio or control voltages
  • • Essential for combining multiple signals
✗ CONS
  • • Can introduce noise if cheap
  • • Multiple types may be needed

Doepfer A-138oPerformance Mixer Output ModuleSums up all connected input modules (article nr #399259# - not included)...

⭐ 5.0/5 (9 reviews)
Sound:
7/10
Build:
6/10
Value:
9/10
Art. 399260
$68
Buy at Thomann View Details
Doepfer A-138j - Professional Music Instrument Photo
#6

Doepfer A-138j

by Doepfer
Signal Mixing Level Control Modulation Shaping
Key Feature:
• Control signal levels and polarities
✓ PROS
  • • Essential for combining multiple signals
  • • Mix audio or control voltages
✗ CONS
  • • Basic utility function
  • • Multiple types may be needed

Doepfer A-138jEurorack ModuleInverting/interrupting mixer4-Channel mixer with level control 3-way switch per channel...

⭐ 4.7/5 (13 reviews)
Sound:
8/10
Build:
9/10
Value:
8/10
Art. 555453
$114
Buy at Thomann View Details
Doepfer A-138n - Professional Music Instrument Photo
#7

Doepfer A-138n

by Doepfer
Signal Mixing System Utility CV Processing
Key Feature:
• Fundamental building blocks
✓ PROS
  • • Essential for combining multiple signals
  • • Mix audio or control voltages
✗ CONS
  • • Can introduce noise if cheap
  • • Takes up space for utility function

Doepfer A-138nEurorack ModuleCompact 4-channel mixerSuitable for CV and audio signalsVolume control per channel4...

⭐ 4.6/5 (55 reviews)
Sound:
6/10
Build:
6/10
Value:
9/10
Art. 467574
$65
Buy at Thomann View Details
Doepfer A-138b - Professional Music Instrument Photo
#8

Doepfer A-138b

by Doepfer
CV Processing Signal Mixing System Utility
Key Feature:
• Essential for combining multiple signals
✓ PROS
  • • Fundamental building blocks
  • • Essential for combining multiple signals
✗ CONS
  • • Multiple types may be needed
  • • Can introduce noise if cheap

Doepfer A-138b, Mixer with Logarithmic Potentiometers, Primarily suitable for audio signals, Width: 8 HP, Depth: 35 mm,...

⭐ 4.9/5 (12 reviews)
Sound:
6/10
Build:
7/10
Value:
8/10
Art. 166482
$65
Buy at Thomann View Details
Doepfer A-138a Mixer Linear - Professional Music Instrument Photo
#9

Doepfer A-138a Mixer Linear

by Doepfer
Audio Combining Signal Mixing Level Control
Key Feature:
• Mix audio or control voltages
✓ PROS
  • • Fundamental building blocks
  • • Essential for combining multiple signals
✗ CONS
  • • May seem boring but essential
  • • Basic utility function

Doepfer A-138a Mixer LinearEurorack module4 ChannelsSuitable for control voltages and audio signalsOne attenuator per...

⭐ 4.9/5 (41 reviews)
Sound:
8/10
Build:
7/10
Value:
10/10
Art. 114504
$74
Buy at Thomann View Details
Doepfer A-138n VE - Professional Music Instrument Photo
#10

Doepfer A-138n VE

by Doepfer
Audio Combining Modulation Shaping Level Control
Key Feature:
• Often include offset and scaling
✓ PROS
  • • Control signal levels and polarities
  • • Mix audio or control voltages
✗ CONS
  • • Basic utility function
  • • May seem boring but essential

Doepfer A-138n VEEurorack ModuleVintage Edition with a black front panelCompact 4-channel mixerSuitable for CV and...

⭐ 4.6/5 (15 reviews)
Sound:
8/10
Build:
5/10
Value:
9/10
Art. 517467
$75
Buy at Thomann View Details
Doepfer A-138s Mini Stereo Mixer - Professional Music Instrument Photo
#11

Doepfer A-138s Mini Stereo Mixer

by Doepfer
Level Control Signal Mixing CV Processing
Key Feature:
• Essential for combining multiple signals
✓ PROS
  • • Fundamental building blocks
  • • Essential for combining multiple signals
✗ CONS
  • • Takes up space for utility function
  • • Multiple types may be needed

Doepfer A-138s Mini Stereo MixerMini Stereo Mixer4-in-2 mix module in Eurorack formatFour inputs with attenuator and...

⭐ 4.5/5 (41 reviews)
Sound:
8/10
Build:
7/10
Value:
10/10
Art. 417513
$87
Buy at Thomann View Details
Doepfer A-138M - Professional Music Instrument Photo
#12

Doepfer A-138M

by Doepfer
Modulation Shaping Audio Combining Level Control
Key Feature:
• Essential for combining multiple signals
✓ PROS
  • • Often include offset and scaling
  • • Mix audio or control voltages
✗ CONS
  • • May seem boring but essential
  • • Basic utility function

Doepfer A-138MMatrix MixerWith 4 rows and 4 columnsUnipolar / Bipolar mode switchable on each columnSuitable for both...

⭐ 4.9/5 (42 reviews)
Sound:
7/10
Build:
9/10
Value:
9/10
Art. 240112
$164
Buy at Thomann View Details
Doepfer A-138s VE Mini Stereo Mixer - Professional Music Instrument Photo
#13

Doepfer A-138s VE Mini Stereo Mixer

by Doepfer
Modulation Shaping Audio Combining CV Processing
Key Feature:
• Often include offset and scaling
✓ PROS
  • • Essential for combining multiple signals
  • • Often include offset and scaling
✗ CONS
  • • Can introduce noise if cheap
  • • May seem boring but essential

Doepfer A-138s VE Mini Stereo MixerMini Stereo MixerVintage Edition with black front panel4-in-2 Mix module in Eurorack...

⭐ 4.9/5 (20 reviews)
Sound:
7/10
Build:
5/10
Value:
8/10
Art. 521353
$87
Buy at Thomann View Details
Doepfer A-138i - Professional Music Instrument Photo
#14

Doepfer A-138i

by Doepfer
System Utility Audio Combining Signal Mixing
Key Feature:
• Fundamental building blocks
✓ PROS
  • • Essential for combining multiple signals
  • • Fundamental building blocks
✗ CONS
  • • May seem boring but essential
  • • Basic utility function

Doepfer A-138iEurorack ModuleCompact 4-channel mixerSuitable for CV and audio signalsVolume control and mute switch per...

⭐ 4.8/5 (14 reviews)
Sound:
6/10
Build:
6/10
Value:
8/10
Art. 467572
$97
Buy at Thomann View Details
Doepfer A-183-5 - Professional Music Instrument Photo
#15

Doepfer A-183-5

by Doepfer
CV Processing Signal Mixing Audio Combining
Key Feature:
• Fundamental building blocks
✓ PROS
  • • Mix audio or control voltages
  • • Fundamental building blocks
✗ CONS
  • • Basic utility function
  • • Multiple types may be needed

Doepfer A-183-5Eurorack ModuleQuad Attenuator4 Identical channelseach with inputoutput and attenuator knobPassive...

⭐ 4.4/5 (2 reviews)
Sound:
6/10
Build:
7/10
Value:
10/10
Art. 555454
$76
Buy at Thomann View Details

How to Choose the Best Mixer, Attenuator 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 mixer, attenuator 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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