Casio's Privia PX-5S redefines the stage piano category with unprecedented sound quality and performance features in a lightweight design that is supremely portable. Featuring tone editing, insert effects, MIDI controller capabilities, an 88 Key, Tri-Sensor Scaled Hammer Action II Keyboard and weighing only 24 lbs., the Privia PX-5S is ready to take stage.At the heart of the PX-5S Stage Piano is Casio’s proprietary AiR sound source which provides incredible realism, detail and expression for grand piano sounds. In the PX-5S, the power of AiR has been expanded to provide stunning fidelity and control over other instrument tones and effects with 256 notes of polyphony.In addition to Privia’s award winning grand piano sounds, the PX-5S has an arsenal of newly developed sounds including classic electric piano, harpsichord and clav sounds. Some of these tones are complete with release samples, amplifier and speaker simulations for an incredibly authentic experience.The PX-5S is a powerful four zone controller, complete with 4 knobs and 6 sliders all of which are completely configurable to control internal sounds, effects parameters or send continuous controllers to other gear. Each zone on the PX-5S can control an internal sound, an external MIDI device or both simultaneously.The PX-5S redefines what a stage piano should be, providing an arsenal of other sounds and creative tools. The PX-5S includes powerful Hex Layer tones complete with real-time filters and also features four programmable arpeggiators and multitrack phrase sequencing.Casio PX5S Features:Stunning acoustic piano sound and feel are just the beginningIncredible electric pianos, clavs, and more, driven by award-winning Hex Layer synthesis technologySliders, knobs, and wheels galore, with unsurpassed four-zone MIDI controller capabilitiesPowerful effects, arpeggiators, and multitrack phrase sequencing to animate your performanceShockingly lightweight, professionally connected, and battery poweredCasio PX5S Specifications:Keyboard: 88-key, Tri-sensor Scaled Hammer Action IIMaximum Polyphony: 256 NotesNumber of Tones:370 Preset / 350 UserKeyboard Instrument (including Electric Piano) - 60 Preset, 50 UserHex Layer - 50 Preset, 150 UserStage Settings: 100 User Stage Settings / 4 zone configurationsControllers: 4 knobs, 6 sliders, Pitch & Mod wheel, 2 Pedal InputsArpeggiator: 4 simultaneous programmable 16 step ArpeggiatorsPhrase Sequencer: 8 Tracks, up to 1,000 phrasesStorage: USB / File & Audio RecordingSystem Effects: Reverb, Chorus, Delay, String & Damper ResonanceInsert Effects: 4 simultaneous / Equalizer, Compressor, Limiter, Enhancer, Early Reflection, Phaser, Chorus, Flanger,Tremolo, Auto Pan, Rotary, Drive Rotary, LFO Wah, Auto Wah, Distortion (w/ Amp Simulator), Pitch Shifter, Multi Chorus, Ring Mod, Delay, Piano effectMaster Effects: 4 Band EQ & CompressorMIDI: Independent USB & MIDI I/OAudio Terminals: 1/4" L&R Input & Output, 1/8" Audio InputDimension: 52.05" x 11.26" x 5.31"Weight: 24.47 lbs (W/O Battery) Casio PX5S Stage Piano 88-key, Tri-Sensor Scaled Hammer Action Digital Stage Piano.