Kurzweil KA90 Arranger Stage Piano

The KA-90 from Kurzweil is a digital arranger piano with 88 graded-hammer keys and 128-note polyphony in a portable stage-piano-style cabinet. It features 20 factory presets and a wide range of acoustic and electronic sound selections such as acoustic pianos, electric pianos, organs, guitars, and orchestral string instruments.
With 50 pre-recorded styles to play along with, the digital piano offers front-and-centre control panels with easy access to all system functions including Sound Selection, Styles, Split, Transpose, and Effects such as Reverb, Chorus, and EQ. With the easy-to-use song recording features, you can record your own keyboard performances as a user song, and the keyboard allows up to 5 user songs to be recorded and stored in internal memory.
Furthermore, the KA90 has a detachable music stand, and the cabinet features a built-in 4-speaker 60W sound system. Some other features include two headphone outputs, a USB port for connecting to/from a computer sequencer, a MIDI out, and a stereo 1/4" in/out jack for connecting to external amplification, and external sound sources. A sustain pedal and a DC 12V external power supply are also included.


  • Fully Weighted Hammer-Action Keyboard
  • 20 Factory Presets
  • 50 Accompaniment Styles
  • Integrated 4-Speaker Sound System

Tech Specs

Matte-black plastic
Keyboard 88-note, fully weighted, hammer action with adjustable touch-sensitive keys
Keyboard Sensitivity 4 selectable response levels
Display 3-character LED
Polyphony 128 voices
Preset Programs 20 expressive sounds
General MIDI No
Splits/Layers Yes
Number Of Rhythms/Styles 26 (11 rhythms + 15 rhythm banks)
Transpose Full transposition to any key, +/- one octave
Tune Adjust by cents (+/- 100 cents)
Effects Reverb/Chorus/EQ (5 preset selections per effect)
Audio Inputs 1 x 1/4" (6.3 mm) TRS line in (for connecting external sound sources)
Headphones 2 x 1/4" (6.3 mm) TRS outputs
USB 1 x USB port for connecting to/from an external computer sequencer
Pedals 1 switch-pedal input
Power DC 12 V 2.0 A external power supply
Dimensions (H x W x D) 5.4 x 53.7 x 14.4" (13.7 x 136.5 x 36.6 cm)
Weight 7.1 lb (12.3 kg)

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