Embrace the Tradition of the Piano with More Freedom and Ease

Crafted to resonate with the intricate and nuanced expressions unique to the rich tradition of grand pianos, our digital pianos boast exceptional musical prowess. Merging advanced capabilities that cater to the elevated and delicate art of grand piano performance with a contemporary approach to enjoying music, we have created a fusion that expands the joy of playing and unveils a world of new possibilities for you and your piano. Through an unprecedented musical journey, rediscover the allure of the piano and the magic of music itself. For those seeking a slim design without compromising authentic musical performance, the AP-S450 is your choice— seamlessly bringing the joy of playing to your room.

CELVIANO Official Brand Site

  • Unlock the captivating richness and expressive prowess inherent to the grand piano with our advanced sound technology.
  • Versatile and expressive grand piano tones tailored to the songs, genres, and playing styles you love, allowing you to personalize your performance.
  • A sound system that has been created to capture the natural resonance as if a grand piano were playing right in front of you.
  • A keyboard that achieves superior playability through the fusion of hammer action mechanics and digital control technology.
  • Carefully designed three-pedal system that enables delicate pedal work, capturing the subtleties of a grand piano.
  • Discover a multitude of innovative features that allow you to rediscover the enchantment of playing the piano.
  • Enjoy a compact, uncompromised design that effortlessly brings the charm of the piano into your life.
  • Explore a new piano experience with three distinct color variations, including the elegant Rosewood-style brown.


Sound Source

  • Striving to create the natural and rich resonance unique to grand pianos with the "Multi-Dimensional Morphing AiR Sound Source"
  • Explore the expressive nuances and seamless changes in tone based on your playing velocity and the passage of time with our "Multi-Dimensional Morphing Technology.
  • Dive deep into the intricacies of a grand piano's resonance with our meticulously crafted "String Resonance System"
  • Experience the authenticity of a grand piano with our "Mechanical Sound System," that simulates various mechanical sounds.
  • Toggle between four levels of tonal variation that corresponds to the opening and closing of the grand piano lid with the "Lid Simulator"


  • Prevent the degradation of the original waveform quality, achieving beautiful and expressive grand piano tones that are generated from a vast array of waveform variations with the "Lossless Audio Compression"


  • Two grand piano tone that let you embrace the essence of historical masterpieces passed down through the ages.
  • Equipped with a 2-channel 4-speaker sound system that helps create the natural resonance that makes you feel as if a grand piano were right in front. 
  • Customize your piano experience to suit your style with the "Sound Mode" function, which adds various effects to the sound output from the acoustic system.
  • Experience a natural and expansive sound when using headphones with the specially tuned "Headphone Mode."

Sound Samples


  • The ”Smart Hybrid Hammer Action Keyboard CELVIANO Edition” combines the hammer action mechanism of a grand piano with digital control technology, offering expressive playability with varied touch sensations based on the playing style and range.
  • The white keys are made with a hybrid material of spruce wood and resin, similar to those used in grand pianos, ensuring a natural feel and a luxurious finish.
  • You have precise control not just during key presses but also by adjusting the key release speed, allowing you to delicately control the timing of dampening and nuances in resonance.


  • Optimized pedal shape and spacing based on a grand piano, and featuring a continuously variable damper pedal and a soft pedal that supports half-pedaling, enabling stable and delicate pedal control.


Visual Information Bar

  • Incorporating a ”Visual Information Bar” on the front panel, allows for visual confirmation of playing velocity, pedal operation, tempo, and beat through light indicators.

Instant RePlayer

  • With continuous recording that covers up to 270 seconds previously, the "Instant RePlayer" allows you to revisit your performance anytime without worrying about actively recording.

Wireless MIDI & Audio Adaptor

  • Utilize the included "Wireless MIDI & Audio Adaptor (WU-BT10)" to wirelessly connect with your smart device, enabling audio playback through the instrument's sound system and MIDI data communication.


  • Explore a variety of features that expand the graphical editing of the instrument's functions and enhance your piano experience through the dedicated app "CASIO MUSIC SPACE"