Best Expander Modules Under $100 2026
Affordable expander modules under $100 - great value without compromising quality
Last updated: January 14, 2026 • Next update: January 21, 2026
#1
⭐
4.5/5
(11 reviews)
Sound:
8/10
Build:
7/10
Value:
8/10
Intellijel Designs Qx
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
#2
⭐
4.6/5
(12 reviews)
Sound:
8/10
Build:
7/10
Value:
10/10
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
#3
⭐
4.9/5
(30 reviews)
Sound:
7/10
Build:
6/10
Value:
10/10
Doepfer A-149-2
by
Doepfer
Complex Setups
Extended Control
Modular Growth
Key Feature:
• Space-efficient system growth
✓ PROS
- • Often cost-effective expansion
- • Space-efficient system growth
✗ CONS
- • Limited standalone functionality
- • Requires specific main module
Doepfer A-149-2Eurorack moduleExpansion module for the A-149-1 (Article Nr: #199098#)Supplies 8 digitalrandom...
⭐
4.9/5
(30 reviews)
Sound:
7/10
Build:
6/10
Value:
10/10
Art. 199100
$65
#4
⭐
4.6/5
(48 reviews)
Sound:
6/10
Build:
6/10
Value:
10/10
Intellijel Designs Atlx 1U
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
#5
⭐
5.0/5
(45 reviews)
Sound:
8/10
Build:
6/10
Value:
8/10
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
#6
⭐
4.7/5
(36 reviews)
Sound:
7/10
Build:
7/10
Value:
9/10
Befaco MEX
by
Befaco
Extended Control
Additional Outputs
System Expansion
Key Feature:
• Expand capabilities of main modules
✓ PROS
- • Add functionality without redundancy
- • Often cost-effective expansion
✗ CONS
- • Can create dependency chains
- • Limited standalone functionality
Befaco MEXEurorack ModuleExpander module for Befaco Muxlicer (Art.#466975#)Expands Muxlicer by an additional track with...
⭐
4.7/5
(36 reviews)
Sound:
7/10
Build:
7/10
Value:
9/10
Art. 529973
$94
#7
⭐
5.0/5
(31 reviews)
Sound:
8/10
Build:
7/10
Value:
10/10
Intellijel Designs Atlx
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
#8
⭐
4.7/5
(52 reviews)
Sound:
8/10
Build:
6/10
Value:
8/10
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
#9
⭐
4.6/5
(34 reviews)
Sound:
8/10
Build:
7/10
Value:
10/10
Expert Sleepers ESX-8GT mk3
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
#10
⭐
4.8/5
(20 reviews)
Sound:
6/10
Build:
7/10
Value:
9/10
Intellijel Designs Gx
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
#11
⭐
4.7/5
(30 reviews)
Sound:
8/10
Build:
7/10
Value:
10/10
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
#12
⭐
4.4/5
(11 reviews)
Sound:
7/10
Build:
6/10
Value:
9/10
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
#13
⭐
4.4/5
(56 reviews)
Sound:
7/10
Build:
6/10
Value:
9/10
4ms Listen Up
by
4ms
Additional Outputs
Extended Control
Professional Systems
Key Feature:
• Often cost-effective expansion
✓ PROS
- • Add functionality without redundancy
- • Space-efficient system growth
✗ CONS
- • Can create dependency chains
- • Limited standalone functionality
4ms Listen UpEurorack ModuleExpander for 4ms Listen modules and WAV recordersTwo balanced inputs and outputs: 6.3 mm...
⭐
4.4/5
(56 reviews)
Sound:
7/10
Build:
6/10
Value:
9/10
Art. 545193
$73
#14
⭐
4.4/5
(37 reviews)
Sound:
8/10
Build:
7/10
Value:
10/10
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
#15
⭐
4.7/5
(52 reviews)
Sound:
8/10
Build:
6/10
Value:
9/10
Expert Sleepers MIDI breakout
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
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.
