Casio Celviano AP-S450 - Black

Casio Celviano AP-S450BK - Slim Console Piano with Grand Piano Touch and Wireless Playback

The Casio Celviano AP-S450BK delivers authentic grand piano tone, realistic touch, and modern innovation in one of the slimmest console-style digital pianos available. Finished in a refined satin black cabinet, this instrument fits beautifully in tighter spaces while still offering powerful sound, expressive dynamics, and a true acoustic-style playing experience.

This particular AP-S450BK is a rental return, meaning it has been professionally maintained and lightly used. It shows minor cosmetic cabinet blemishes consistent with careful use, but is fully functional, plays perfectly, and delivers the same musical performance as a new instrument. It is an excellent opportunity to own a premium Celviano model at added value.

At its core, the AP-S450BK features Smart Hybrid Hammer Action keys made from spruce and resin, Casio’s Multi-Dimensional Morphing AiR sound engine, and 256-note polyphony. Together, these provide concert-level dynamics, rich harmonic detail, and smooth sustain. A powerful 40W four-speaker system fills the room with clear, balanced sound, while Bluetooth audio and MIDI connectivity enable seamless integration with apps like Casio Music Space.

Advanced features such as the Visual Information Bar and Instant RePlayer support practice, performance review, and intuitive feedback, making the AP-S450BK both inspiring and easy to live with.

Key Features & Specs

Cabinet & Footprint
Approx. 54.8" W x 11.8" D x 34.1" H with an ultra-slim console design that delivers acoustic presence in minimal space.

Weight & Stability
Approx. 82.9 lb provides solid, furniture-style stability without the bulk of a traditional upright.

Keyboard Action
88-key Smart Hybrid Hammer Action using spruce and resin offers realistic resistance, longer pivot length, and refined control.

Touch Sensitivity
Five adjustable sensitivity levels plus off allow the response to be tailored to individual playing style.

Sound Engine
Multi-Dimensional Morphing AiR Sound Source with string resonance, damper resonance, and mechanical sound modeling for expressive realism.

Polyphony
256-note polyphony supports dense passages and layered playing without note dropouts.

Tones
26 instrument voices including Hamburg and New York concert grand pianos for broad tonal versatility.

Speaker System
Two-channel, four-speaker system powered by dual 20W amplifiers delivers deep bass and clear highs for home and studio use.

Visual Information Bar
Displays tempo, dynamics, and pedal activity for intuitive practice feedback.

Instant RePlayer
Automatically captures and replays the last approximately 4.5 minutes of performance without manual recording.

Recorder
2-track MIDI recorder with USB audio storage allows easy capture and review of performances.

Pedal System
Three integrated pedals including continuously variable damper with half-pedal support, soft, and sostenuto for full expressive control.

Controls
Illuminated touch sensor control panel disappears during play for a clean, distraction-free experience.

Connectivity
Includes WU-BT10 Bluetooth adapter for wireless MIDI and audio, plus USB-MIDI, headphone outputs, and audio input and output.

Learning & Practice Tools
60-song music library, layer, split, and duet modes, and built-in metronome support structured learning and teaching.

Condition Note
Rental return with minor cosmetic cabinet wear. Fully inspected, fully functional, and sonically identical to new.

Warranty
5-year limited U.S. warranty with registration within 30 days, covering parts and labor under normal use.