Best Expander Modules for System Expansion 2026
Perfect expander modules for system-expansion - easy to play and learn on
Last updated: January 21, 2026 • Next update: January 28, 2026
#1
⭐
4.6/5
(15 reviews)
Sound:
7/10
Build:
9/10
Value:
7/10
Der Mann mit der Maschine E4 Controller
Additional Outputs
System Expansion
Professional Systems
Key Feature:
• Add functionality without redundancy
✓ PROS
- • Maintain consistent sound character
- • Space-efficient system growth
✗ CONS
- • Limited standalone functionality
- • Requires specific main module
Der Mann mit der Maschine E4 ControllerEurorack ModuleExpands Droid Master (Art. #542913#) with 4 freely assignable...
⭐
4.6/5
(15 reviews)
Sound:
7/10
Build:
9/10
Value:
7/10
Art. 584541
$185
#2
⭐
4.5/5
(38 reviews)
Sound:
9/10
Build:
10/10
Value:
8/10
Squarp Instruments xp32
Professional Systems
Complex Setups
Extended Control
Key Feature:
• Space-efficient system growth
✓ PROS
- • Space-efficient system growth
- • Expand capabilities of main modules
✗ CONS
- • Requires specific main module
- • Limited standalone functionality
Squarp Instruments xp32Eurorack ModuleExpander for Hermod+ sequencer Art.#577702# (not included)Extends Hermod+ with 32...
⭐
4.5/5
(38 reviews)
Sound:
9/10
Build:
10/10
Value:
8/10
Art. 618806
$637
#3
⭐
4.7/5
(36 reviews)
Sound:
7/10
Build:
7/10
Value:
7/10
XAOC Devices Bohumin
by
XAOC Devices
System Expansion
Extended Control
Modular Growth
Key Feature:
• Maintain consistent sound character
✓ PROS
- • Often cost-effective expansion
- • Maintain consistent sound character
✗ CONS
- • Documentation may be scattered
- • Limited standalone functionality
XAOC Devices BohuminEurorack moduleExpander for XAOC Devices Ostrawa (Art.#567989#)Expands Ostrawa with a second stereo...
⭐
4.7/5
(36 reviews)
Sound:
7/10
Build:
7/10
Value:
7/10
Art. 567990
$285
#4
⭐
4.4/5
(18 reviews)
Sound:
8/10
Build:
9/10
Value:
9/10
Der Mann mit der Maschine P2B8 Controller Red
Complex Setups
Modular Growth
System Expansion
Key Feature:
• Expand capabilities of main modules
✓ PROS
- • Expand capabilities of main modules
- • Space-efficient system growth
✗ CONS
- • May become obsolete if main module changes
- • Limited standalone functionality
Der Mann mit der Maschine P2B8 Controller RedEurorack ModuleExpands Droid Master (art. #542913#not included) by 2...
⭐
4.4/5
(18 reviews)
Sound:
8/10
Build:
9/10
Value:
9/10
Art. 542974
$139
#5
⭐
4.7/5
(43 reviews)
Sound:
7/10
Build:
7/10
Value:
9/10
XAOC Devices Rostock
by
XAOC Devices
Modular Growth
Additional Outputs
Professional Systems
Key Feature:
• Often cost-effective expansion
✓ PROS
- • Add functionality without redundancy
- • Expand capabilities of main modules
✗ CONS
- • Can create dependency chains
- • May become obsolete if main module changes
XAOC Devices RostockEurorack ModuleBinary Data PipelinePart of the Leibniz subsystem (can be combined with Drezno and...
⭐
4.7/5
(43 reviews)
Sound:
7/10
Build:
7/10
Value:
9/10
Art. 567991
$284
#6
⭐
4.8/5
(20 reviews)
Sound:
9/10
Build:
8/10
Value:
9/10
Der Mann mit der Maschine P10 Controller
Professional Systems
Complex Setups
System Expansion
Key Feature:
• Expand capabilities of main modules
✓ PROS
- • Space-efficient system growth
- • Maintain consistent sound character
✗ CONS
- • Requires specific main module
- • May become obsolete if main module changes
Der Mann mit der Maschine P10 ControllerEurorack ModuleExpands Droid Master (Art. 542913not included) by 2 large and 8...
⭐
4.8/5
(20 reviews)
Sound:
9/10
Build:
8/10
Value:
9/10
Art. 542955
$113
#7
⭐
4.9/5
(23 reviews)
Sound:
9/10
Build:
8/10
Value:
9/10
Der Mann mit der Maschine P2B8 Controller Green
System Expansion
Professional Systems
Modular Growth
Key Feature:
• Space-efficient system growth
✓ PROS
- • Space-efficient system growth
- • Expand capabilities of main modules
✗ CONS
- • Documentation may be scattered
- • Requires specific main module
Der Mann mit der Maschine P2B8 Controller GreenEurorack ModuleExpands Droid Master (art. #542913#not included) by 2...
⭐
4.9/5
(23 reviews)
Sound:
9/10
Build:
8/10
Value:
9/10
Art. 542973
$139
#8
⭐
4.9/5
(46 reviews)
Sound:
7/10
Build:
8/10
Value:
9/10
Neuzeit Instruments WarpEX
Extended Control
System Expansion
Professional Systems
Key Feature:
• Expand capabilities of main modules
✓ PROS
- • Space-efficient system growth
- • Add functionality without redundancy
✗ CONS
- • Can create dependency chains
- • Documentation may be scattered
Neuzeit Instruments WarpEX, Eurorack Module, Extends Neuzeit Instruments Warp (Art. #578951#) with four CV/gate inputs...
⭐
4.9/5
(46 reviews)
Sound:
7/10
Build:
8/10
Value:
9/10
Art. 578952
$131
#9
⭐
4.6/5
(46 reviews)
Sound:
7/10
Build:
7/10
Value:
9/10
4ms MetaAIO
by
4ms
Additional Outputs
System Expansion
Modular Growth
Key Feature:
• Often cost-effective expansion
✓ PROS
- • Often cost-effective expansion
- • Expand capabilities of main modules
✗ CONS
- • Limited standalone functionality
- • Documentation may be scattered
4ms MetaAIOEurorack ModuleAudio Expander for 4ms Meta Module (Art. #597515#)Expands the Meta Module with 6 CV/audio...
⭐
4.6/5
(46 reviews)
Sound:
7/10
Build:
7/10
Value:
9/10
Art. 613128
$197
#10
⭐
5.0/5
(15 reviews)
Sound:
9/10
Build:
9/10
Value:
9/10
XAOC Devices Lipsk II
by
XAOC Devices
System Expansion
Extended Control
Professional Systems
Key Feature:
• Add functionality without redundancy
✓ PROS
- • Expand capabilities of main modules
- • Often cost-effective expansion
✗ CONS
- • Documentation may be scattered
- • May become obsolete if main module changes
XAOC Devices Lipsk IIEurorack ModuleExpander for Drenzo moduleInversion of the individual bits produced by Drezno (or...
⭐
5.0/5
(15 reviews)
Sound:
9/10
Build:
9/10
Value:
9/10
Art. 588903
$174
#11
⭐
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
#12
⭐
4.8/5
(32 reviews)
Sound:
9/10
Build:
8/10
Value:
8/10
OXI Instruments Pipe MKII
Complex Setups
Extended Control
System Expansion
Key Feature:
• Expand capabilities of main modules
✓ PROS
- • Often cost-effective expansion
- • Space-efficient system growth
✗ CONS
- • Documentation may be scattered
- • Limited standalone functionality
OXI Instruments Pipe MKIIEurorack Breakout ModuleFor OXI One MKII sequencer (Art. #617329# and #617331#)8 CV and 8 gate...
⭐
4.8/5
(32 reviews)
Sound:
9/10
Build:
8/10
Value:
8/10
Art. 617333
$121
#13
⭐
5.0/5
(4 reviews)
Sound:
8/10
Build:
8/10
Value:
8/10
XAOC Devices Gera
by
XAOC Devices
Extended Control
Modular Growth
Complex Setups
Key Feature:
• Maintain consistent sound character
✓ PROS
- • Expand capabilities of main modules
- • Space-efficient system growth
✗ CONS
- • Limited standalone functionality
- • Requires specific main module
XAOC Devices GeraEurorack ModuleBinary Product CommanderExtension module for Leibniz SubsystemsApplies AND logic...
⭐
5.0/5
(4 reviews)
Sound:
8/10
Build:
8/10
Value:
8/10
Art. 554824
$171
#14
⭐
4.7/5
(56 reviews)
Sound:
9/10
Build:
9/10
Value:
8/10
Shakmat Modular Bard Quartet Expand
Extended Control
Professional Systems
Additional Outputs
Key Feature:
• Expand capabilities of main modules
✓ PROS
- • Maintain consistent sound character
- • Add functionality without redundancy
✗ CONS
- • Limited standalone functionality
- • Requires specific main module
Shakmat Modular Bard Quartet ExpandEurorack ModuleExpander for Bard Quartet (item #533980# - not included)Expands Bard...
⭐
4.7/5
(56 reviews)
Sound:
9/10
Build:
9/10
Value:
8/10
Art. 558488
$109
#15
⭐
4.6/5
(55 reviews)
Sound:
9/10
Build:
8/10
Value:
8/10
Der Mann mit der Maschine P2B8 Controller Blue
Professional Systems
Complex Setups
Additional Outputs
Key Feature:
• Expand capabilities of main modules
✓ PROS
- • Expand capabilities of main modules
- • Often cost-effective expansion
✗ CONS
- • Limited standalone functionality
- • Can create dependency chains
Der Mann mit der Maschine P2B8 Controller BlueEurorack ModuleExpands Droid Master (art. #542913#not included) by 2...
⭐
4.6/5
(55 reviews)
Sound:
9/10
Build:
8/10
Value:
8/10
Art. 542972
$142
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.
