via this auction
"Alesis Micron features: * Industry-leading ION analog-modeling sound engine in a compact package * Eight voices, each with three oscillators, two multimode filters, three envelope generators, two LFOs, sample and hold, and tracking generator * Four multitimbral parts * Programmable step sequencer and arpeggiator * Programmable rhythm sequencer for drum kits * Dynamic realtime phrase sequencer * Stereo buss effects, including reverb and 40-band vocoder * 1/4" balanced stereo analog outputs and inputs with 24-bit conversion * 37-key synth-action keyboard with velocity sensitivity * 3 continuously-rotational 12-bit parameter knobs, 2 assignable modulation sliders, pitch wheel, expression and sustain pedal inputs * Compatible with ION programs"