Casio PX-870 - Black

Casio Privia PX-870BK – 88?Key Weighted Console Piano in Matte Black with Grand-Level Acoustic Realism

The Casio PX-870BK is the flagship console-style digital piano in Casio’s Privia lineup, combining authentic acoustic piano mechanics and immersive sound projection with elegant matte-black cabinetry. Designed for students, educators, and discerning pianists, it delivers concert-quality feel and performance in a compact, furniture-grade form factor. 

Featuring 88 weighted keys with Tri-Sensor Scaled Hammer Action II, the PX?870BK captures the subtle nuances of key timing and resistance—with simulated ebony and ivory textures for realistic grip. Powered by Casio’s Multi-Dimensional Morphing AiR Sound Source, it reproduces the richness of a concert grand using a 4?layer stereo piano engine and up to 256-note polyphony, with features like damper/string resonance and lid position simulation. 

Key Features & Specs (With Benefits)

• Finish: Matte Black – Combines modern elegance with subtle warmth for any home, studio, or teaching space.

• Keyboard: Tri-Sensor Scaled Hammer Action?II (88 keys) – Offers sophisticated touch realism with precision and dynamic control.
  

• Key Finish: Simulated ebony and ivory textures – Enhances tactile grip and natural feel during extended sessions.
  

• Sound Engine: Multi?Dimensional Morphing AiR – Offers deep, layered piano tone with lifelike expressive detail.
  

• Polyphony: 256 notes – Supports rich layering and sustain without note drop-outs.
  

• Voices: 19 high-quality instrument tones – Includes multiple piano presets and expressive layering/splitting options.
  

• Acoustic Simulations: Damper and string resonance, lid position modeling, key-off and hammer action sounds – Deepens realism and authenticity.
  

• Speaker System: 40?W total via internal 4-speaker Sound Projection system with Volume Sync EQ – Projects spacious, natural sound upward and forward for room-filling clarity.
  

• Pedals: Integrated soft, sostenuto, and damper pedal with seamless half-pedal capability – Mirrors the complete expressive range of an acoustic piano.

• Functionality: Duet Mode, dual headphone outputs with optimized Headphone Mode, Concert Play, Lesson functions, metronome, transpose, temperament settings – Useful for teaching, silent practice, and creative control.
  

• Record & Playback: 2-track MIDI and USB WAV recorder (up to 5000 notes per track and 10 user songs) – Capture and review your performances easily.
  

• Connectivity: Class-compliant USB?MIDI (host and device), two headphone jacks, audio playback via headphone jack while keeping internal speakers on — friendly to DAW use and sharing.
  

• Dimensions and Weight: Approx. 54.8″ W × 11.7″ D × 31.5″ H; ~75.6lb (34.3kg) – A solid presence without overwhelming your space.

• Warranty: 1-year limited U.S. manufacturer's warranty covering parts and labor under normal use.