Keyboard -61 keys (velocity sensitive)
Touch Control: Soft (light), medium (standard), hard (heavier), fixed
Sound Generator - Stereo PCM sound generator
Maximum Polyphony - 64 voices
Sounds - Over 702 sounds, 41 drum kits (including GM compatible sound sets)
Keyboard Sets - More than 170 sets
Effects - Accompaniment part 2 stereo digital multi-effects Keyboard part 2 stereo digital multi-effects 34 types (148 variations)
Styles - More than 280 presets
2 intros, 4 variations, 2 fills, 1 count in/break, 2 endings, synchro start/stop, tap tempo
Music Styles - 64 styles
Demo Songs -18 songs
Audio Player - MP3, WAV (44.1 kHz)
Sequencer
Record - Real-time recording (Style mode), maximum of 999 songs (approx. 100,000 notes), 12 tracks (4 keyboard parts + 8 auto accompaniment parts), original format (can convert to SMF0)
Playback - Supports song play (playing on the keyboard during song playback), SMF (Standard MIDI File) format 0 or 1
Scales - 11 types (including user scale)
Controls - Power button, VOLUME knob, joystick, STYLE/[MUSIC STYLE] button, SONG/[DEMO SONG] button, KEYBOARD SET/[STS] button, GRAND PIANO button, each button in the PART MUTE/[SOUND SELECT] section, SETTING/[EFFECT] button, MEDIA button, SPEAKER EQ/[SPEAKER OFF] button, [SHIFT] button, ENSEMBLE button, SPLIT button, METRONOME/[BEAT SELECT] button, TAP TEMPO/[TEMPO LOCK] button, TRANSPOSE b and #/[OCTAVE –/+] buttons, dial, CATEGORY button, value buttons, + button, - button, each button in the STYLE/SONG section, each button in the SET LIST section
Set lists - 10 banks × 4
Metronome - Tempo, beat, volume
Tempo - 30–240
Key Transpose - C (-12) to C (0) to C (+12)
Tuning - 427.5–452.9 Hz
Input/Output - Foot controller jack 6.3 mm (1/4") phone jack
* EK-50 does not support the half-pedaling.

AUDIO IN jack - 3.5 (1/8") mm stereo mini-phone jack
OUTPUT L/ MONO, R jacks - 6.3 mm (1/4") phone jack (unbalanced)
Headphones jack - 3.5 mm (1/8") stereo mini-phone jack
USB A port - TO DEVICE port for connecting USB flash memory
USB B port - TO HOST port for connecting personal computers

Speaker System
Amplification -10 W × 2
Speakers - 120 mm (4.72") double-cone speakers × 2 (bass reflex box-type)
Speaker EQ - 8 types
MIDI - USB MIDI
Display - Custom LCD with backlighting
Power supply - AC adapter (included) or AA batteries (alkaline dry cells or nickel-metal hydride batteries) × 8 (sold separately)
Battery life - When using alkaline dry cells: approx. 7 hours
Power Consumption - 8 W (0.1 W on standby)
Dimensions (W x D x H) - 994 mm × 392 mm × 132 mm/39.13" × 15.43" × 5.20" (not including sheet music stand)
Height with sheet music stand attached: 329 mm/12.95"
Weight - 7.5 kg/16.53 lbs. (not including sheet music stand or batteries)
Included items - AC adapter, sheet music stand