Sequential
Sequential Prophet-6
$3499.99
Best Synthesizers · head-to-head
Sequential Prophet-6 vs ASM Hydrasynth Keyboard
A sourced, side-by-side comparison. ASM Hydrasynth Keyboard is cheaper at $1399. Every spec and price links to its source.
ASM (Ashun Sound Machines)
ASM Hydrasynth Keyboard
$1399Cheaper
Which is better: the Sequential Prophet-6 or ASM Hydrasynth Keyboard?
The Sequential Prophet-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 Sequential Prophet-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 | Sequential Prophet-6 | ASM Hydrasynth Keyboard |
|---|---|---|
| US price | $3499.99 | $1399 |
| Brand | Sequential | ASM (Ashun Sound Machines) |
| Released | — | — |
| Synthesis type | analog | wavetable |
| Polyphony voices | 6 | 8 |
| Oscillators per voice | 2 | 3 |
| Key count | 49 | 49 |
| Keybed type | semi-weighted | semi-weighted |
| Multitimbral parts | — | — |
| Patch memory | 500 | 1024 |
| Sequencer steps | 64 | — |
| Arpeggiator | Yes | Yes |
| Onboard effects | Yes | Yes |
| Cv gate io | No | Yes |
| Weight (kg) | 9.5 | 10 |
Sources — Sequential Prophet-6: sequential.com (verified 2026-07-11). ASM Hydrasynth Keyboard: ashunsoundmachines.com (verified 2026-07-11).
What's the difference between the Sequential Prophet-6 and ASM Hydrasynth Keyboard?
Where the two actually differ on the specs we track (6 of 12). Matching specs are omitted.
- Synthesis type: Sequential Prophet-6 analog vs ASM Hydrasynth Keyboard wavetable
- Polyphony voices: Sequential Prophet-6 6 vs ASM Hydrasynth Keyboard 8
- Oscillators per voice: Sequential Prophet-6 2 vs ASM Hydrasynth Keyboard 3
- Patch memory: Sequential Prophet-6 500 vs ASM Hydrasynth Keyboard 1024
- Cv gate io: Sequential Prophet-6 false vs ASM Hydrasynth Keyboard true
- Weight (kg): Sequential Prophet-6 9.5 vs ASM Hydrasynth Keyboard 10