Equipped with CASIO's new proprietary AiR Sound Source technology, the PX-5S delivers acoustic piano sounds with unmatched realism and detail. The power of AiR technology is applied to an all new set of authentic vintage electric piano sounds and clavinets that is paired by a powerful new effects engine, giving the PX-5S an arsenal of both acoustic and electric piano sounds.

  • Acoustic Intelligent Resonance
  • Tri Sensor Hammer Action II
  • 256 Note Polyphony
  • String Resonance
  • Damper Resonance
  • Lid Simulator
  • Lossless Audio
  • Ebony and Ivory Keys
  • DSP Effect
  • Tone Editor
  • LCD Screen
  • Registration Memory
  • MIDI Control
  • Pitch Bend Wheel
  • 4-band-equalizer
Keyboard   88 keys, Tri-sensor Scaled 
Hammer Action Keyboard II,
Touch Sensitivity 3 sensitivity levels, off
High Resolution Velocity 16,256 Steps
Key-Off Velocity Yes
Hammer-Response Yes
Sound Source   Multi-dimensional Morphing AiR Sound Source*1
Maximum Polyphony 256
Melody Tones Acoustic Piano 20 preset, 20 user
Keyboard Instrument (including Electric Piano) 30 Preset, 20 User
Hex Layer 50 Preset, 50 User
Organ 30 Preset, 20 User
Strings / Brass 70 Preset, 20 User
Gitarre / Bass 40 Preset, 20 User
Synth / Various 80 Preset, 50 User
Drum Sets 20 Preset, 20 User
System Effects String Resonance Yes
Damper Resonance Yes
Delay yes
Reverb 4 types
Chorus 4 types
Master Effects Master Equalizer 4 bands
Compressor Yes
DSP 4 lines, 20 types
Stage Settings Memories 100 User
Zone 4 (maximum)
Phrase Sequencer Phrase 1
Songs 10
Playback Mode One-time, loop
Memory Capacity One phrase up to 8 KB (approximately 1,600 notes); 1,000 phrases totaling a maximum of 1 MB
Other Overdubbing, Note-Quantize
Demonstration-only Songs 4 songs
Audio Recording / Playback   Max. 100 songs, approx. 25 min/song
Format 44.1 kHz stereo WAV format
SMF playback Yes
Mixer 16 channel + 1 channel (external input)
Other Functions Transpose ±1 octaves (-12 semitones ~ 0 ~ +12 semitones)
Octave Shift ± 3 octaves
Tuning A4 = 415.5 - 440.0 - 465.9 Hz
Scale Function Temperaments: 17 preset
Stretch Tuning 8 types
Arpeggios 100 preset, 100 user
Operation Lock Yes
Controllers 4 knobs, 6 sliders, bender wheel, modulation wheel, 2 pedal jacks
Envelope Response Pedal Yes
Full-dot LCD Display with Backlight Yes
MIDI 16 multi-timbre received, GM level 1 standard
Connectivity and Storage AUDIO IN (Stereo Mini Jack) Yes
PHONES (Stereo Standard Jack) 2
LINE OUT (Standard Jack) 2 (L/MONO, R)
LINE IN (Standard Jack) 2 (L/MONO, R)
USB Host Port Yes
USB Flash Drive Port Yes
MIDI MIDI In, MIDI Out/Thru
Pedal 2 (Assignable)
Power Supply   2-way
Batterie Zink-Kohle- oder Alkalibatterien Größe AA
Battery Life Approximately 3 hours 
(alkaline batteries, using the headphones)
AC Adaptor 12V 1.5A
Size Dimensions 1,322 x 286 x 135 mm (not including protruding parts)
With Optional Stand 1,322 × 286 × 760 mm (without corner brackets)
Weight   11.1 kg (without optional stand, batteries)
With Optional Stand 21.1 kg (without batteries)
Included Accessories AC Adaptor, Pedal (SP-3)

Specifications are subject to change w/o notice.

Downloads for the PX-5S: