KORG or Ashun Sound Machines? Electronic Keyboards Compared in 2026
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This guide compares the Korg MicroKorg2 and the Ashun Sound Machines Hydrasynth. You are looking at KORG vs ashun sound machines electronic keyboard options for synthesis. Both instruments serve as powerful tools for sound design and performance. The main difference lies in their scale and interface. The Korg offers a compact, portable form factor with a vocoder. The Ashun Sound Machines provides a larger keybed with advanced polyphonic aftertouch. Each unit targets different workflow needs.
Key differences
| Aspect | Korg MicroKorg2 37-Key Synthesizer | ASM Hydrasynth 49-Key Synthesizer |
|---|---|---|
| Number of Keys | 37 | 49 |
| Key Action | Full-size keys | Polyphonic aftertouch |
| Weight | 4.94 pounds | 32.4 pounds |
| Display | 2.8-inch full-color IPS LCD | not listed |
| Synthesis Engine | Vocoder and vocal processor | Wavetable synthesis with dual Wave Mutators |
Which one should you choose?
Choose Korg MicroKorg2 37-Key Synthesizer if
- You need a highly portable unit that fits easily in a bag.
- You want to use a vocoder for vocal effects.
- You prefer a compact interface with a color display for quick editing.
Choose ASM Hydrasynth 49-Key Synthesizer if
- You require polyphonic aftertouch for nuanced expression.
- You need a larger keybed for more complex performances.
- You want advanced wavetable synthesis with multiple oscillators and filters.
Verdict: Choose the Korg MicroKorg2 if portability and vocal processing are your priorities. Select the Ashun Sound Machines Hydrasynth if you need a larger keybed with polyphonic aftertouch and complex wavetable synthesis. Your choice depends on whether you value compact convenience or deep, expressive sound design.
Korg MicroKorg2 vs ASM Hydrasynth
Number of keys
The Korg MicroKorg2 provides 37 full-size keys. This compact layout suits portable setups and tight spaces. In contrast, the Ashun Sound Machines Hydrasynth features 49 keys. The extra keys offer a wider range for performance without needing to shift octaves frequently. More keys generally mean more versatility for playing chords and melodies simultaneously. If you need a larger playing surface, the Hydrasynth is the better choice. The MicroKorg2 remains a viable option for users prioritizing portability over range.
Key action
The Korg MicroKorg2 includes full-size keys designed for expressive performance and dynamic play. However, the data does not specify if these keys support aftertouch. The Ashun Sound Machines Hydrasynth stands out with its proprietary Polytouch keybed. This action offers polyphonic aftertouch over each note. Polyphonic aftertouch allows you to apply pressure to individual keys, adding nuance to sustained notes. This feature is crucial for advanced expression in synthesis. The Hydrasynth provides a significant advantage here for performers who rely on key sensitivity.
Form factor
Size matters for transport and desk space. The Korg MicroKorg2 is highly portable. It measures 21.3 inches in length, 9.37 inches in width, and 2.56 inches in height. It weighs just 4.94 pounds. The Ashun Sound Machines Hydrasynth is much larger. It measures 38 inches in length, 22 inches in width, and 9 inches in height. It weighs 32.4 pounds. The MicroKorg2 is ideal for traveling or small studios. The Hydrasynth requires a dedicated space but offers a substantial presence. Choose based on your mobility needs.
Display and interface
The Korg MicroKorg2 includes a 2.8-inch full-color IPS LCD display. This screen supports animated parameter guides and an oscilloscope function. These tools help you visualize sound changes in real-time. The interface includes a new categorization system for easier sound selection. The Ashun Sound Machines Hydrasynth focuses on a workflow-optimized interface. It allows quick patch editing with minimal paging and many shortcuts. It includes a 4-octave ribbon controller and ergonomically designed pitch and mod wheels. The Hydrasynth prioritizes tactile control and speed over visual feedback.
Synthesis engine
Both units are synthesizers, but their engines differ. The Korg MicroKorg2 maintains 4-voice polyphony. It features a new vocal processor with harmonizer and hard-tuning functions. It also includes a loop recorder for production. The Ashun Sound Machines Hydrasynth utilizes an advanced wavetable synthesis engine. It has 3 oscillators, dual Wave Mutators, and 2 filters that can be configured in series or parallel. The Hydrasynth offers more complex sound design capabilities due to its multi-oscillator architecture. The MicroKorg2 is better for vocal effects and simple looping.
Which Synthesizer Fits Your Workflow
Users needing a compact, portable synth
The Korg MicroKorg2 weighs 4.94 pounds and measures 21.3 inches in length. Its small footprint suits tight spaces. The 37 full-size keys allow for expressive performance while remaining lightweight. You can carry it easily for live sets or small studio sessions without taking up much room.
Producers wanting advanced sound design tools
The Ashun Sound Machines Hydrasynth uses an advanced wavetable synthesis engine with three oscillators and dual Wave Mutators. You get two filters configurable in series or parallel. This setup provides deep sound shaping capabilities. The 49-key layout supports complex patches and intricate musical ideas for serious production work.
Performers requiring expressive key control
The ASM Hydrasynth features a proprietary Polytouch keybed offering polyphonic aftertouch over each note. You can shape the sound of every individual key press. The instrument also includes a four-octave ribbon controller and ergonomically designed pitch and mod wheels. This hardware allows for real-time, nuanced performance control during live playing.
The products compared
Korg MicroKorg2 37-Key Synthesizer
Best for: portable sound design and vocal effects
- Number of Keys
- 37
- Sound Engine
- XMT Sound Engine
- Color
- Black
- Dimensions
- 21.3 × 9.37 × 2.56 inches
- Weight
- 4.94 pounds
View on Amazon: Korg MicroKorg2 37-Key Synthesizer Affiliate link
The Korg MicroKorg2 is a compact synthesizer with 37 full-size keys. It features a 2.8-inch full-color IPS LCD display for clear visual feedback. The unit includes a loop recorder and a vocal processor with harmonizer. It offers 4-voice polyphony for layered sounds. This keyboard suits producers and performers needing portable, expressive sound design tools with visual editing aids.
Pros
- 37 full-size keys for dynamic play
- 2.8-inch full-color IPS LCD display
- Built-in loop recorder for production
- Vocal processor with harmonizer functions
- Animated parameter guides for editing
Cons
- Limited to 37 keys
- Only 4-voice polyphony
- Weighs 4.94 pounds
Good fit if
- You need a portable synthesizer for live performance
- You want visual feedback for sound editing
- You require vocal processing effects
Skip if
- You need a full 88-key piano layout
- You require high polyphony for complex orchestral layers
- You prefer a larger display for detailed parameter viewing
Verdict: Korg MicroKorg2 37-Key Synthesizer fits musicians who prioritize portability and visual editing tools. It serves producers needing compact vocal effects and loop recording capabilities.
ASM Hydrasynth 49-Key Synthesizer
Best for: Expressive wavetable sound design
- Number of Keys
- 49
- Key Action
- Polyphonic aftertouch
- Sound Engine
- Wavetable synthesis
- Dimensions
- 38 × 22 × 9 inches
- Weight
- 32.4 pounds
View on Amazon: ASM Hydrasynth 49-Key Synthesizer Affiliate link
The ASM Hydrasynth is a 49-key synthesizer built around a wavetable synthesis engine with three oscillators and two filters. It features a proprietary polyphonic aftertouch keybed and a four-octave ribbon controller. Measuring 22 by 38 by 9 inches and weighing 32.4 pounds, this unit is designed for quick patch editing. It suits players who need expressive control and a compact footprint for studio or stage use.
Pros
- 49-key polyphonic aftertouch keybed
- Wavetable synthesis with 3 oscillators
- 4-octave ribbon controller
- Dual configurable filters
Cons
- 49 keys limit range for pianists
- 32.4 pounds is heavy for portability
- No display mentioned in specs
Good fit if
- You want polyphonic aftertouch expression
- You need a compact 49-key layout
- You prefer ribbon controller workflow
Skip if
- You require 61 or more keys
- You need a built-in display
- You want a lightweight travel instrument
Verdict: The ASM Hydrasynth 49-Key Wavetable Synth fits producers who value deep sound design and expressive keybeds in a compact format. It is ideal for those who prioritize polyphonic aftertouch and ribbon control over a full piano-style keyboard.
Specifications side by side
| Spec | Korg MicroKorg2 37-Key Synthesizer | ASM Hydrasynth 49-Key Synthesizer |
|---|---|---|
| Number of Keys | 37 | 49 |
| Key Action | not stated | Polyphonic aftertouch |
| Sound Engine | XMT Sound Engine | Wavetable synthesis |
| Color | Black | Black,white,silver,red |
| Dimensions | 21.3 × 9.37 × 2.56 inches | 38 × 22 × 9 inches |
| Weight | 4.94 pounds | 32.4 pounds |
| Model | MICROKORG-2 | HSKB |
| Size | not stated | 22 x 38 x 9 inches |
Frequently asked questions
Which keyboard is better for live performance portability?
The Korg MicroKorg2 is the superior choice for portability. It weighs only 4.94 pounds and measures 21.3 inches in length. This compact size allows you to easily carry it in a bag. The Ashun Sound Machines Hydrasynth is much heavier at 32.4 pounds and larger, making it less suitable for frequent travel.
Does the Korg MicroKorg2 support vocal processing?
Yes, the Korg MicroKorg2 includes dedicated vocal effects. It is designed for musicians who want to integrate voice into their sound design. The unit supports loop recording, allowing you to layer vocals with synthesized sounds. This makes it a practical tool for performers who need real-time vocal manipulation during sets.
How many keys does the Ashun Sound Machines Hydrasynth have?
The Ashun Sound Machines Hydrasynth features 49 keys. This layout provides a wider range than the 37-key Korg MicroKorg2. The additional keys offer more flexibility for performance without requiring an external controller. It is ideal for producers who prioritize polyphonic aftertouch and expressive control over a full piano-style keyboard.
Which synth offers deeper wavetable sound design?
The Ashun Sound Machines Hydrasynth is built for deep wavetable sound design. It is ideal for producers who value complex synthesis capabilities. The instrument includes ribbon control for expressive manipulation. While the Korg MicroKorg2 focuses on compact vocal effects, the Hydrasynth provides more extensive tools for creating and shaping unique textures.
What are the physical dimensions of the Korg MicroKorg2?
The Korg MicroKorg2 measures 21.3 inches in length, 9.37 inches in width, and 2.56 inches in height. These dimensions make it highly space-efficient. You can place it on small desks or transport it easily. The compact footprint ensures it fits well in tight studio spaces or on stage setups where space is limited.
Is the ASM Hydrasynth suitable for tight spaces?
No, the ASM Hydrasynth is not suitable for tight spaces. It measures 38 inches in length and 22 inches in width. The unit also weighs 32.4 pounds, making it a heavy, stationary instrument. It is designed for studio environments or fixed stage setups rather than portable applications where space and weight are critical factors.
Can I use the Korg MicroKorg2 for loop recording?
Yes, the Korg MicroKorg2 supports loop recording capabilities. This feature allows you to record and layer sounds in real time. It is particularly useful for creating vocal loops or building complex synth arrangements on the fly. This functionality makes it a versatile tool for live performers and producers who need immediate playback options.