The New ASM Leviasynth: A Hybrid Titan Is Born

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The rumors that circulated throughout 2025 have finally solidified into reality. Ashun Sound Machines (ASM), the company that disrupted the synthesizer market with the Hydrasynth, has unveiled its new flagship: the Leviasynth.

If the Hydrasynth was a digital wave-morphing beast, the Leviasynth is a hybrid monster designed to bridge the gap between algorithmic digital precision and warm analog character. Named after the mythical Leviathan, this 16-voice synthesizer is built to dominate the studio and the stage.

Desktop

Overview

The Leviasynth represents a “reimagined” approach to FM synthesis, or rather, “Algorithmic Synthesis” as ASM prefers to call it. It features a massive 16-voice polyphony with a staggering 8 oscillators per voice. Unlike its predecessor, the Leviasynth is a true hybrid, feeding its digital oscillators through a dual filter path that includes a 4-pole analog lowpass filter.

The interface has also received a significant upgrade. While it retains the rugged steel chassis and “Master Control” workflow of the Hydrasynth, it now centers around a new 4.3″ color touchscreen, making deep editing of the 32-point modulation matrix and 8-operator algorithms far more intuitive.

Keyboard

Key Features

  • Hybrid Engine: 16-voice polyphony with 8 oscillators per voice.
  • Algorithmic Synthesis: A modern take on FM with over 140 preset algorithms and the ability to craft custom ones.
  • Dual Filter Architecture:
    • Digital: 18 filter models (borrowed and expanded from the Hydrasynth).
    • Analog: A dedicated 4-pole (24dB/oct) analog lowpass filter for pure voltage-controlled warmth.
  • PolyTouch Keybed: 61-note keyboard (or 16 pads on the desktop) with ASM’s signature Polyphonic Aftertouch.
  • Multi-Mode: Bi-timbral capability allowing you to split the 16 voices into two 8-voice layers (Upper/Lower).
  • Modulation: 13 Envelopes, 5 LFOs, and a massive 32-point Modulation Matrix.
  • Connectivity: CV/Gate (2-in, 5-out), MIDI In/Out/Thru, USB-B, and stereo 1/4″ outputs.

Pricing & Availability

The Leviasynth is positioned as a premium flagship, sitting above the Hydrasynth Deluxe in the ASM lineup.

  • 🇺🇸 USD: $2,499 (Keyboard) / $1,799 (Desktop)
  • 🇪🇺 EURO: €3,299 (Keyboard) / €2,399 (Desktop)
  • 🇬🇧 UK: £2,899 (Keyboard) / £2,111 (Desktop)
  • 🇦🇺 AUD: ~$4,299 (Keyboard) / ~$2,999 (Desktop) (Estimated)

Specifications Summary

FeatureSpecification
Polyphony16 Voices (Bi-timbral split/layer)
Oscillators8 per voice (Algorithmic/FM/Wave)
FiltersHybrid: 1x Digital Multi-Mode + 1x Analog 4-Pole LPF
Display4.3″ Color Touchscreen
Controls8 Encoders, Ribbon Controller (Keys), PolyTouch Keybed/Pads
Modulation13 Envelopes, 5 LFOs, 32-Slot Matrix
EffectsPre-FX, Post-FX, Delay, Reverb (per layer)
ConnectivityMIDI I/O/T, USB, CV/Gate I/O, Sustain/Expr Pedals

Where to Buy

You can check pricing and availability at Thomann here:

Check ASM Leviasynth Price at Thomann

Footnotes:

  1. Reference: Ashun Sound Machines Leviasynth Product Page