Michigan Synth Works took one of the most ambitious DIY synth projects ever created—Mutable Instruments' legendary Ambika from 2012—and transformed it into a fully assembled, production-ready instrument that costs less than most people spend on a decent audio interface. The Xena is essentially a modern reimagining of that cult classic, combining gritty digital oscillators with analog filtering in a way that feels both retro and surprisingly current.
The heart of the Xena is its six-voice architecture, which you can configure however you want: pure six-voice polyphony, six independent mono synths, layered patches with three voices each, or anything in between. Each voice gets two digital oscillators pulling from 36 different wavetables and algorithms—everything from classic VA waveforms to FM, vocal synthesis, and what the original designers charmingly called "bitwise anarchy." There's also a sub-oscillator per voice that doubles as a transient generator for adding punch. The SVF version uses a two-pole multimode filter, though Michigan Synth Works also offers versions with four-pole analog filters if you want that deeper, rounder character. Before the filter, you've got pre-filter overdrive and bit-crushing effects for adding grit and texture. The modulation matrix gives you 14 slots to patch things together, with three ADSR envelopes, three patch-level LFOs, and one voice-level LFO to work with. Control happens through an LCD screen and a straightforward interface, plus you get an arpeggiator, note sequencer, and two step sequencers per part. Each voice has its own output, so you can process them individually or mix them down through the main output.
The Xena has earned genuine appreciation from the synth community for delivering that Mutable Instruments sound—characterful, slightly unpredictable, deeply playable—without requiring you to solder anything or spend months building it yourself. The build quality is solid, the price point is genuinely accessible for what you're getting, and the flexibility of the voice architecture means it scales from intimate solo instrument to complex polyrhythmic performance tool depending on what you're trying to do.
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