Hammer Action Keyboard

88 note, fully weighted hammer action keyboard with adjustable touch sensitivity.

128 Voices of Polyphony

The KaE1 provides 128 notes of polyphony for effortless performances.

20 Hand-Picked Factory Instruments

The KaE1 is fueled by our KORE 1.0 128MB Sound Library which includes optimized German D piano samples from our pro-line of products as well as featuring electric piano, organ, clavs, strings, and more.

Splits & Layers

Create musical split, layer or duo performance combinations with adjustable split point.

Practice Metronome

Choose from 14 metronome time-signatures to practice and play along with.

Bluetooth Audio + MIDI

Connect a smartphone or tablet wirelessly and play music through the built-in speakers.

MIDI Song Recorder

Record your own keyboard performances with the intuitive single track song recorder.

30W 4-Speaker Sound System

The KaE1 offers an integrated 4-speaker, stereo sound system powered by dual 15W digital amplifiers.

Take a Stand

Choose the optional ST-3 stand and add an elegant base with built-in 3-pedal functionality (soft/sostento/sustain). Choose between black or white.


Keyboard: 88-Note, fully weighted, hammer-action with adjustable touch sensitivity (H1 Ivory)
Keyboard Sensitivity: 3 settings
Polyphony: 128 voice
Sound Library KORE 1.0 (128MB)
Factory Programs: 20
Performance Modes: Split / Layer / Duo
Transpose: Full transposition to any key, +/- one octave
Tune: +/- 100 cents
Effects: Reverb and Chorus
Metronome Time Signatures: 14
Recorder/Sequencer: 1-track, 1 song
Sound System: 30 Watt (2 x 15W), 4-speaker, stereo sound system
Analog Input: Stereo 1/8″
Analog Outputs: (1) 1/4″ stereo
Headphone: (1) 1/4″ headphone outputs
MIDI: via USB and Bluetooth
Bluetooth: BT 5.2 Audio/MIDI
Pedals: (1) Sustain/Sostenuto pedal input.
(1) Soft pedal input.
(one standard switch pedal included)
Included Accessories: Power adaptor, sustain pedal (switch type), music rest, USB cable
Optional Accessories: ST-3 keyboard stand (black or white)
Height: 4.4″ (11.2 cm)
Depth: 13.3″ (33.7 cm)
Length: 52″ (132 cm)
Weight: 32.6 lb (14.8 kg)
Power: External 12VDC 2A Power Supply
Batteries (8 alkaline D cell)

All specifications subject to change without notice.



KaE1 KA50 KA-70 KA-90 KA-120 MPS M1
Keyboard Key Action 88 hammer 88 semi-weighted 88 spring 88 hammer 88 hammer 88 hammer
Adjustable Sensitivity
Display n/a n/a LED LED LCD OLED
Pitch Bend x x x
Sound Polyphony 128 32 128 128 128 256
Factory Presets 20 16 20 20 600 178
User Presets x x x x 48 10
Piano Samples¹ GD* TS TS TS GD
String Resonance x x x x x
Pedal Resonance x x x
Piano Key-Off Samples x x x x x
General MIDI x x x x x
Sound Control Tune
Tuning Scales x x 7 7 x x
Performance Assistant x x x x
Accompaniment Styles x x 50 50 230 x
Drum Patterns x x x x x 10
Songs 0 16 60 60 125 0
Educational Features x x x x x
Sound System Speakers 4 4 4 4 4 4
Power 30W 30W 60W 60W 70W 48W
Connections Audio Outputs
Audio Inputs
Mic Input x x x x x
Headphone 1 1 2 2 2 2
MIDI Ports x x Out Out In/Out x
USB-Audio x x x
USB-Device x x x x x
Bluetooth Audio x x x x
Bluetooth MIDI x x x x
Switch Pedal Input ✓ (w/ half damper)
Accessories Music Stand
Sustain Pedal
Power External Adaptor
Battery x x x x

¹ GD = German D, TS = Triple Strike.
* These pianos are an optimized version of the German D grand pianos, derived from the same quality content but using less samples.


User Manuals

Ka-E1_Users_Guide (English) – 4 MB
Primary Owner’s Manual (23-10-19)


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