Synthux Touch 2: a Tiny Synth That Shapeshifts
There is something quietly refreshing about the Touch 2 from Synthux Academy. It is small, tactile, and built around the idea that the same piece of hardware can be many different instruments depending on what firmware you load onto it. For anyone who likes poking around with DIY electronics and sound, this one is worth a closer look.
What Is It, Exactly?
The Touch 2 is a compact synthesizer built on the Daisy Seed microcontroller - a powerful little board running an ARM Cortex-M7 at 480MHz with 64MB of SDRAM and 96kHz/24-bit audio. On top of that, Synthux wraps it in a hardware design with touch sensors, faders, knobs, and switches, all in a form factor you can hold in one hand.
It comes either as a finished unit or as a DIY kit you solder together yourself, which is a nice touch for the maker crowd.
Firmware Swapping Is the Real Story
What sets the Touch 2 apart from a regular fixed-function synth is that you can completely change what it does by uploading a different firmware over USB. The device ships with a handful of official instrument modes - a bass synth, a string synth, a looper, an FX unit, and a rather theatrical horror-themed synth called Audrey II aimed at film composers.
But the real excitement comes from the community. All the firmwares are open-source, and Synthux keeps releasing new ones. If you want to go deeper, the GitHub repositories are there waiting, and there is an active Discord for when things get confusing. Swappable faceplates let you physically mark which personality the device is wearing at any given time, which is a practical and somewhat charming detail.
Playing With It
In use, the Touch 2 leans into direct, physical interaction. The touch sensors respond to your fingers without any intermediary - no keys, no pads, just contact. Combined with the faders and knobs, it has a hands-on quality that feels more expressive than its modest size might suggest. Several units can also be paired together for collaborative or layered performances, which opens things up considerably.
A Platform as Much as an Instrument
It is tempting to think of the Touch 2 purely as a synth, but it is probably more accurate to call it a platform. The Daisy Seed at its heart is a well-regarded development board, and having it wrapped in production-quality hardware with pre-built controls makes it a compelling starting point for anyone wanting to write their own instruments without starting from scratch on the enclosure side.
Whether you just want to buy the assembled version and load different community firmwares for fun, or you want to build the kit and eventually write something of your own - there is a clear path either way. That flexibility is probably the most honest reason to be interested in the Touch 2.
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