Seashell is a compact semi-modular synthesiser system that combines hands-on hardware control with deep configuration and control via dedicated software. It enables seamless integration of Instruō hardware into existing workflows for professional sound design, music production, and live performance.

Hardware Features

• Two sawtooth-core analogue VCOs

• Analogue voltage-controlled wavefolder

• Resonant voltage-controlled low-pass filter

• Internal waveform routing to the filter and wavefolder inputs

• Parallel modular-level outputs

• Internal analogue cross-FM modulation bus

• CV inputs for self-patching and external modulation

• Stereo line / headphone output driver

• On-board DSP effects

• TRS MIDI input

• User-definable external CV input and output

• USB-C connectivity for audio and MIDI integration with a DAW

Software-Controllable Features

• Expanded control via VST3 / software interface

• High-resolution (14-bit) digital control of analogue circuitry

• Customisable scale transposition engine

• Total recall of digitally controlled analogue parameters

• Internal LFO modulation sources

• Multi-function envelope generator

• Stereo diffusion effect

• 4×4 modulation matrix mixer with hardware macro control

• MIDI Learn functionality

What’s in the Box

• Multi-region power supply

• USB-C cable

• 3.5 mm TRS MIDI to 5-pin DIN MIDI cable

• 2 × 3.5 mm TS patch cables

• 3.5 mm TRS audio to 2 × ¼" TS audio outputs