Sound Engine: MMT synthesis supporting analog modeling, formant motion, and digital waveshapes (DWGS).Polyphony: 8 voices, 2 timbres (parts) per program.Keys: 37 full-size, velocity-sensitive keys with pitch bend and modulation wheels.Vocoder: 16-band vocoder that includes a gooseneck XLR microphone and Formant Motion recording (up to 7.5 seconds).Effects: Built-in insert effects, master effects, and a 2-band EQ (including delay, reverb, chorus, and wave shaping).Sequencing/Control: 16-step modulation sequencer, an 8-step arpeggiator, MIDI In/Out/Thru, and USB MIDI.
Most users on Reddit agree that the Korg R3 is a powerful, underrated step up from the microKORG thanks to its full-sized keys, better patch editing, and superior effects, though opinions on its lightweight plastic chassis are mixed.