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 stye 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

KA-70 KA-90 KA-120 MPS110 MPS120
Keyboard Key Action 88 spring 88 hammer 88 hammer 88 graded-hammer 88 graded-hammer
Wood Keys x x x x
3-Point Velocity Sensor x x x
Adjustable Sensitivity
Interface/
Controls
Display LED LED LCD OLED OLED
Pitch Bend x x
Sound Polyphony 128 128 128 256 256
Factory Presets 20 20 600 178 178
User Presets x x 48 1 1
Triple Strike Piano x x
String Resonance x x x
Pedal Resonance x
Piano Key-Off Samples x x x
General MIDI x x x
Sound Control Tune
Tuning Scales 7 7 x x x
Transpose
Splits/Layers
Effects
Performance Assistant x x x x
Accompaniment Styles 50 50 230 x x
Drum Patterns x x x 10 10
Recording/
Playback
Sequencer
Metronome
Songs 60 60 125
Educational Features x x x x
Sound System Speakers 4 4 4 4 4
Power 60W 60W 70W 24W 24W
Connections Audio Outputs
Audio Inputs
Mic Input x x x x
Headphone 2 2 2 2 2
MIDI Ports Out Out In/Out x x
USB-MIDI
USB-Audio x x x
USB-Device x x x x
Bluetooth x x x
Switch Pedal Input ✓ (w/ half damper) ✓ (w/ half damper)
Misc Music Stand
External Power

Troubleshooting

Question:
How can I restore my KA-90 to its factory defaults?

Answer:

  1. Turn the KA-90 OFF.
  2. Press and hold down the [+/YES] and [-/NO] buttons together.
  3. With the above buttons still depressed, turn the KA-90 on.

The unit will then erase its user memory, restore all factory settings and reboot.

DOWNLOADS

User Manuals

KA-90 Owner’s Manual – 4.2 MB
User’s Manual (pdf)
2015-12-10

SUPPORT

Contact Pre-Sales

Do you have questions you need answered before you buy?

Product Registration

Register your new product with your local distributor.

Contact Distributor Support

Do you have questions about the use or application of your Kurzweil product?

Contact Service/Repair

Needing repair? Need to locate a local authorized service center? obtain parts?

Authorized Repair Facilities

Locate a Kurzweil repair facility near you.