Micron

Back in 2004, this little red powerhouse shrank the beastly sound engine of the Alesis Ion into a portable 37-key slab that fit right on your lap, delivering virtual analog tones without sacrificing any punch.

At its core, it packs 8-voice polyphony with three oscillators per voice offering smoothly morphing waveforms from triangle to saw, pulse with PWM, and sine, plus osc sync, FM, and noise options. Dual multimode filters with 20 types, three envelopes, two LFOs, and a massive 12-route mod matrix with 114 sources let you sculpt deep. Hands-on tweaks come via three endless encoder knobs, two mod sliders, a backlit pitch wheel, and a 16x2 LCD, while sequencers include a step pattern tool, real-time phrase recorder, arpeggiator, and drum rhythm programmer—all MIDI-syncable. Effects shine with per-voice drive, stereo masters for reverb, delay, chorus, flanger, phaser, and a polyphony-free 40-band vocoder; stereo audio ins process external signals too. Compact at around 23 by 8 by 3 inches and 7.5 pounds, it rocks full MIDI I/O, pedal jacks, velocity-sensitive keys (no aftertouch), and 1000 program slots compatible with Ion patches.

Players love its raw analog modeling grit for leads, basses, and sequences in minimal live rigs, praising the sequencer fun and vocoder tricks, though some note the sparse controls demand menu diving for deep edits and wish for aftertouch on the slim keyboard.