- Programmable 4-operator 8-algorithm digital FM tone generator
- Independent 5-parameter envelope generator for each operator
- 24-voice internal RAM memory
- 192 voices programmed into internal ROM
- Bank Play mode permits direct access to 96 voices, programmable in any order
- Shift mode permits access to another 96 voices
- Built-in cassette interface for voice data storage
- 61-key keyboard
- The DX27īs keyboard itself does not have key velocity, but its tone generator accept key velocity data from an external MIDI source
- Sustain/portamento footswitch and breath controller inputs
- MIDI IN/OUT/THRU terminals
