Legacy Model
Downloads and support materials maintained here as a courtesy to owners.

OVERVIEW

Hammer Action Keyboard

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

20 Inspiring Factory Presets

Enjoy a variety of instrument selections featuring our Triple Strike piano, organs, guitars, strings, and more.

50 Auto-Accompaniment Styles

Use left-hand chords to create real-time arrangements, triggering built-in interactive backing patterns in a variety of musical genres.

Modern Cabinet with Integrated Sound System

Housed in an attractive stage piano style cabinet the KA-90 comes complete with a detachable music stand and built-in 4-speaker sound system. You’re ready-to-go for either home or portable use.

Simple and Intuitive Controls

The sleek control panel and clear display provide quick access to all system functions.

MIDI Song Recorder

With the easy-to-use song recording features, you can record and store up to 5 of your own keyboard performances.

SPECS

All specifications subject to change without notice.

Keyboard:	88 Note fully weighted, hammer action with adjustable touch sensitive keys
Keyboard Sensitivity:	4 selectable response levels
Display:	3-character LED
Polyphony:	128 voice
Preset Programs:	20 Expressive sounds
General MIDI:	No
Splits/Layers:	Yes
Transpose:	Full transposition to any key, +/- one octave
Tune:	Adjust by Cents (+/- 100 cents)
Effects:	Reverb / Chorus / EQ (5 preset selections per effect)
Auto-Accompaniment Styles:	50 pre-recorded interactive patterns in a variety of styles
Recorder/Sequencer:	1-Track; 5 Song capacity
Demo Songs:	60
Sound System:	60-watt, 4-speaker stereo sound system (peak music power)
Audio Outs:	Stereo 1/4″ line out (for connecting to external amplification)
Audio In:	Stereo 1/4″ line in (for connecting external sound sources)
Headphones:	(2) 1/4″ stereo headphone outs
MIDI I/O:	MIDI Out
USB:	(1) port; MIDI over USB for connecting to/from an external computer sequencer
Pedals:	1 switch-pedal input (sustain pedal included).
Stand:	Optional stand with built in sustain/sostenuto/soft pedals (sold separately)
Finishes:	Matte Black,, White
Included Accessories:	Power adaptor, (1) switch/sustain pedal,
Dimensions:	5.4″(H) x 53.7″ (W) x 14.4″ (D) 13.7 cm (H) x 136.5 cm (W) x 36.6 cm (D)
Weight:	27.1 lb / 12.3 Kg
Power:	DC 12V 2.0A external power supply

IMAGES

FAQs

Product Comparisons

Portable Stage Piano Comparison Chart

		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
Keyboard	Adjustable Sensitivity	✓	✓	✓	✓	✓	✓
Interface/ Controls	Display	n/a	n/a	LED	LED	LCD	OLED
Interface/ Controls	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
	Transpose	✓	✓	✓	✓	✓	✓
	Splits/Layers	✓	✓	✓	✓	✓	✓
	Effects	✓	✓	✓	✓	✓	✓
	Performance Assistant	✓	x	x	x	✓	x
Accompaniment	Styles	x	x	50	50	230	x
Accompaniment	Drum Patterns	x	x	x	x	x	10
Recording/ Playback	Sequencer	✓	✓	✓	✓	✓	✓
	Metronome	✓	✓	✓	✓	✓	✓
	Songs	0	16	60	60	125	0
	Educational Features	x	x	x	x	✓	x
Sound System	Speakers	4	4	4	4	4	4
Sound System	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-MIDI	✓	✓	✓	✓	✓	✓
	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	✓	✓	✓	✓	✓	✓
Accessories	Sustain Pedal	✓	✓	✓	✓	✓	✓
Power	External Adaptor	✓	✓	✓	✓	✓	✓
Power	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.