AudioFu

Best Expander Modules Under $100 2025

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

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

PRICE RANGES: Under $50 Under $100 Under $200 Under $300
SKILL LEVELS: For Beginner For Intermediate For Professional For Advanced
GENRES & STYLES: For System Expansion For Additional Outputs For Extended Control For Modular Growth For Professional Systems For Complex Setups
BRANDS: XAOC Devices Der Mann mit der Maschine Intellijel Designs Expert Sleepers Doepfer
Intellijel Designs Atlx 1U - Professional Music Instrument Photo
#1

Intellijel Designs Atlx 1U

by Intellijel Designs
Professional Systems Complex Setups System Expansion
Key Feature:
• Often cost-effective expansion
✓ PROS
  • • Add functionality without redundancy
  • • Maintain consistent sound character
✗ CONS
  • • Limited standalone functionality
  • • May become obsolete if main module changes

Intellijel Designs Atlx 1UExpanderSuitable for Intellijel Designs Atlantix (Art. #594148#)Expands Atlantix with a ring...

⭐ 4.6/5 (48 reviews)
Sound:
6/10
Build:
6/10
Value:
10/10
Art. 615444
$72
Buy at Thomann View Details
Intellijel Designs Atlx - Professional Music Instrument Photo
#2

Intellijel Designs Atlx

by Intellijel Designs
Modular Growth Additional Outputs System Expansion
Key Feature:
• Maintain consistent sound character
✓ PROS
  • • Expand capabilities of main modules
  • • Add functionality without redundancy
✗ CONS
  • • Limited standalone functionality
  • • Requires specific main module

Intellijel Designs AtlxEurorack ModuleExpander for Intellijel Designs Atlantix (Art. #594148#)Expands Atlantix with a...

⭐ 5.0/5 (31 reviews)
Sound:
8/10
Build:
7/10
Value:
10/10
Art. 594149
$72
Buy at Thomann View Details
Erica Synths Black VCF Coupler - Professional Music Instrument Photo
#3

Erica Synths Black VCF Coupler

by Erica Synths
Additional Outputs Modular Growth Complex Setups
Key Feature:
• Add functionality without redundancy
✓ PROS
  • • Maintain consistent sound character
  • • Add functionality without redundancy
✗ CONS
  • • Can create dependency chains
  • • Limited standalone functionality

Erica Synths Black VCF CouplerEurorack ModuleExpands Black Low-Pass Filter and Black High-Pass Filter by a separate...

⭐ 4.4/5 (37 reviews)
Sound:
8/10
Build:
7/10
Value:
10/10
Art. 518167
$83
Buy at Thomann View Details
XAOC Devices Poti II - Professional Music Instrument Photo
#4

XAOC Devices Poti II

by XAOC Devices
Complex Setups Modular Growth System Expansion
Key Feature:
• Space-efficient system growth
✓ PROS
  • • Expand capabilities of main modules
  • • Often cost-effective expansion
✗ CONS
  • • Limited standalone functionality
  • • May become obsolete if main module changes

XAOC Devices Poti IIEurorack ModuleExpander for Batumi II 4-channel LFO (Art. #578937#)Expands each channel with an...

⭐ 5.0/5 (45 reviews)
Sound:
8/10
Build:
6/10
Value:
8/10
Art. 578938
$98
Buy at Thomann View Details
Expert Sleepers ESX-8GT mk3 - Professional Music Instrument Photo
#5

Expert Sleepers ESX-8GT mk3

by Expert Sleepers
System Expansion Extended Control Additional Outputs
Key Feature:
• Add functionality without redundancy
✓ PROS
  • • Add functionality without redundancy
  • • Space-efficient system growth
✗ CONS
  • • May become obsolete if main module changes
  • • Documentation may be scattered

Expert Sleepers ESX-8GT mk3Eurorack ModuleExtension for ES-4ES-40 or ES-5 module8 On / off outputs for use as...

⭐ 4.6/5 (34 reviews)
Sound:
8/10
Build:
7/10
Value:
10/10
Art. 443425
$83
Buy at Thomann View Details
Intellijel Designs Qx - Professional Music Instrument Photo
#6

Intellijel Designs Qx

by Intellijel Designs
Professional Systems Extended Control System Expansion
Key Feature:
• Space-efficient system growth
✓ PROS
  • • Expand capabilities of main modules
  • • Often cost-effective expansion
✗ CONS
  • • Documentation may be scattered
  • • Can create dependency chains

Intellijel Designs QxEurorack ModuleExpander for the Quadrax module (available under Article Nr #477993# (not...

⭐ 4.5/5 (11 reviews)
Sound:
8/10
Build:
7/10
Value:
8/10
Art. 477994
$86
Buy at Thomann View Details
Expert Sleepers Tiny MIDI Breakout - Professional Music Instrument Photo
#7

Expert Sleepers Tiny MIDI Breakout

by Expert Sleepers
System Expansion Modular Growth Complex Setups
Key Feature:
• Space-efficient system growth
✓ PROS
  • • Often cost-effective expansion
  • • Add functionality without redundancy
✗ CONS
  • • Can create dependency chains
  • • Documentation may be scattered

Expert Sleepers Tiny MIDI BreakoutEurorack moduleTRS MIDI adapter for Disting MK4Super Disting EX Plus AlphaES-9General...

⭐ 4.8/5 (44 reviews)
Sound:
8/10
Build:
7/10
Value:
9/10
Art. 524446
$54
Buy at Thomann View Details
NANO Modules EXP4 - Professional Music Instrument Photo
#8

NANO Modules EXP4

by NANO Modules
System Expansion Professional Systems Modular Growth
Key Feature:
• Often cost-effective expansion
✓ PROS
  • • Space-efficient system growth
  • • Often cost-effective expansion
✗ CONS
  • • Documentation may be scattered
  • • May become obsolete if main module changes

NANO Modules EXP4Eurorack ModuleExpander for NANO Modules Performance Mixer (Art. #579657#)Extends the performance...

⭐ 4.4/5 (11 reviews)
Sound:
7/10
Build:
6/10
Value:
9/10
Art. 579658
$94
Buy at Thomann View Details
XAOC Devices NIN - Professional Music Instrument Photo
#9

XAOC Devices NIN

by XAOC Devices
Additional Outputs Extended Control Modular Growth
Key Feature:
• Often cost-effective expansion
✓ PROS
  • • Maintain consistent sound character
  • • Add functionality without redundancy
✗ CONS
  • • Requires specific main module
  • • Documentation may be scattered

XAOC Devices NIN, Eurorack Module, Extension module for the Zadar by XAOC (available under Article Nr #447263# (not...

⭐ 4.6/5 (12 reviews)
Sound:
8/10
Build:
7/10
Value:
10/10
Art. 461981
$72
Buy at Thomann View Details
Intellijel Designs Gx - Professional Music Instrument Photo
#10

Intellijel Designs Gx

by Intellijel Designs
Additional Outputs Complex Setups Extended Control
Key Feature:
• Expand capabilities of main modules
✓ PROS
  • • Expand capabilities of main modules
  • • Space-efficient system growth
✗ CONS
  • • Limited standalone functionality
  • • May become obsolete if main module changes

Intellijel Designs GxEurorack ModuleExpander for the Metropolix (available under Article Nr #514054# (not...

⭐ 4.8/5 (20 reviews)
Sound:
6/10
Build:
7/10
Value:
9/10
Art. 514070
$86
Buy at Thomann View Details
XAOC Devices Hel - Professional Music Instrument Photo
#11

XAOC Devices Hel

by XAOC Devices
Additional Outputs Modular Growth System Expansion
Key Feature:
• Expand capabilities of main modules
✓ PROS
  • • Space-efficient system growth
  • • Maintain consistent sound character
✗ CONS
  • • Limited standalone functionality
  • • Requires specific main module

XAOC Devices Hel, Eurorack Module, Polyphony Commander for XAOC's Odessa Oscillator (available under Article Nr...

⭐ 4.7/5 (52 reviews)
Sound:
8/10
Build:
6/10
Value:
8/10
Art. 478237
$94
Buy at Thomann View Details
Malekko DIN SYNC - Professional Music Instrument Photo
#12

Malekko DIN SYNC

by Malekko
Professional Systems Extended Control System Expansion
Key Feature:
• Maintain consistent sound character
✓ PROS
  • • Add functionality without redundancy
  • • Maintain consistent sound character
✗ CONS
  • • Requires specific main module
  • • Documentation may be scattered

Malekko DIN SYNCEurorack ModuleExtension module for the Malekko SYNC (available under Article Nr #467054# (not...

⭐ 4.4/5 (34 reviews)
Sound:
6/10
Build:
6/10
Value:
9/10
Art. 467059
$54
Buy at Thomann View Details
Expert Sleepers MIDI breakout - Professional Music Instrument Photo
#13

Expert Sleepers MIDI breakout

by Expert Sleepers
Additional Outputs Professional Systems System Expansion
Key Feature:
• Expand capabilities of main modules
✓ PROS
  • • Often cost-effective expansion
  • • Expand capabilities of main modules
✗ CONS
  • • Requires specific main module
  • • Can create dependency chains

Expert Sleepers MIDI breakout, Eurorack Modules, 1x MIDI input and output for compatible modules with breakout header,...

⭐ 4.7/5 (52 reviews)
Sound:
8/10
Build:
6/10
Value:
9/10
Art. 443429
$59
Buy at Thomann View Details
Doepfer A-161 - Professional Music Instrument Photo
#14

Doepfer A-161

by Doepfer
Extended Control System Expansion Professional Systems
Key Feature:
• Often cost-effective expansion
✓ PROS
  • • Maintain consistent sound character
  • • Space-efficient system growth
✗ CONS
  • • Can create dependency chains
  • • Requires specific main module

Doepfer A-1618-Step Clock Sequencer ModuleExtension module for the A-160 (Article Nr #186683#)8 Outputs are switched to...

⭐ 4.7/5 (30 reviews)
Sound:
8/10
Build:
7/10
Value:
10/10
Art. 186684
$69
Buy at Thomann View Details
Doepfer A-126-2 Expander - Professional Music Instrument Photo
#15

Doepfer A-126-2 Expander

by Doepfer
Extended Control Professional Systems Modular Growth
Key Feature:
• Add functionality without redundancy
✓ PROS
  • • Maintain consistent sound character
  • • Add functionality without redundancy
✗ CONS
  • • Requires specific main module
  • • May become obsolete if main module changes

Doepfer A-126-2 ExpanderEurorack moduleExpander for A-126-2 frequency shifterTwo dome filter outputsTwo ring modulator...

⭐ 4.8/5 (55 reviews)
Sound:
7/10
Build:
6/10
Value:
9/10
Art. 532024
$53
Buy at Thomann View Details

How to Choose the Best Expander 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 expander 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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