Sound Modules

This ensemble oscillator comprises 16 sine wave VCOs in one module, each voice of which will play different (related) programmed notes/harmonics in arrays that you can select, tweak and voltage control.

The name IO-Instruments was new to me when a box of intriguing-looking modules arrived on my doorstep. They are a ...

There is no denying that 'utility' modules get a bad rap and are seen by many as uncool. But I see them more as...

The NiftyBundle offers an extremely affordable gateway into the world of modular synthesis.

Xaoc's Odessa aims to bring additive synthesis to the Eurorack world.

The Fusion Series is all about valves. It's Erica's premium offering of Eurorack modules and is dripping with extreme saturation and deep gooey darkness.

The Tetrapad and its expander, the Tête, offer a wealth of functions based around four touch- and pressure-sensitive...

Moog love to push boundaries, and the Subharmonicon may be their most unusual synth yet.

Kyra's FPGA-based synth engine is technologically innovative, but what's it like as an instrument?

The original Chord module, reviewed in SOS February 2017 by Jyoti Mishra, offered an excellent way to get polyphony and, more...

This Voltage Controlled MIDI Controller takes all your Eurorack–based manipulations and maps them to the parameters of any MIDI device.

The Preset offers a tantalising promise: presets in your modular, allowing you to save and recall up to nine control voltages in up to 1024 'presets'.

Trident offers three analogue oscillators, but what's distinctive about it is the internal cross-modulation that can be set up between them.

There's more to Korg's dinky kit synth than meets the eye. Much more...

Seldom has a new synth from a new company excited so much anticipation as the Hydrasynth. Should you believe the hype?

With its impressively fast tracking system and analogue synth-like sounds, this is a guitar synth with which guitarists can finally feel at ease.

The Erica Synths Pico System, and in fact the whole Pico range of modules, represents good value for money in a small package...

The Motas‑6 brings together the worlds of analogue and digital for a unique take on the classic three-oscillator, analogue monosynth.

The Radikal Technologies Delta CEP A is a desktop and Eurorack synth with a killer feature...