ASM (Ashun Sound Machines)
ASM Hydrasynth Keyboard
$1399Cheaper
Best Synthesizers · head-to-head
ASM Hydrasynth Keyboard vs UDO Super 6
A sourced, side-by-side comparison. ASM Hydrasynth Keyboard is cheaper at $1399. Every spec and price links to its source.
UDO Audio
UDO Super 6
$2999
Which is better: the ASM Hydrasynth Keyboard or UDO Super 6?
The UDO Super 6 wins 1 of the 1 specs we compare head to head; the other wins 0. The ASM Hydrasynth Keyboard is the cheaper at $1399. Get the UDO Super 6 for the stronger spec sheet, the ASM Hydrasynth Keyboard to spend less.
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | ASM Hydrasynth Keyboard | UDO Super 6 |
|---|---|---|
| US price | $1399 | $2999 |
| Brand | ASM (Ashun Sound Machines) | UDO Audio |
| Released | — | — |
| Synthesis type | wavetable | hybrid |
| Polyphony voices | 8 | 12 |
| Oscillators per voice | 3 | 2 |
| Key count | 49 | 49 |
| Keybed type | semi-weighted | synth-action |
| Multitimbral parts | — | 1 |
| Patch memory | 1024 | 128 |
| Sequencer steps | — | 64 |
| Arpeggiator | Yes | Yes |
| Onboard effects | Yes | Yes |
| Cv gate io | Yes | — |
| Weight (kg) | 10 | 9.2 |
Sources — ASM Hydrasynth Keyboard: ashunsoundmachines.com (verified 2026-07-11). UDO Super 6: udo-audio.com (verified 2026-07-11).
What's the difference between the ASM Hydrasynth Keyboard and UDO Super 6?
Where the two actually differ on the specs we track (6 of 12). Matching specs are omitted.
- Synthesis type: ASM Hydrasynth Keyboard wavetable vs UDO Super 6 hybrid
- Polyphony voices: ASM Hydrasynth Keyboard 8 vs UDO Super 6 12
- Oscillators per voice: ASM Hydrasynth Keyboard 3 vs UDO Super 6 2
- Keybed type: ASM Hydrasynth Keyboard semi-weighted vs UDO Super 6 synth-action
- Patch memory: ASM Hydrasynth Keyboard 1024 vs UDO Super 6 128
- Weight (kg): ASM Hydrasynth Keyboard 10 vs UDO Super 6 9.2