Kawai K-400 (48") Upright Piano

Kawai K-400 (48") Upright Piano

MSRP: $12,495

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The uniquely practical 48" K-400 features a grand-style music rack that places music at eye level and provides a solid surface for sheet music and oversized music books. A New England style, dual-hinged fallboard adds to its distinctive appeal.

Condition: NEW
48" (H) x 59" (W) x 24" (D)
507 lbs.
Polished Ebony

Kawai K-400 Professional Upright Piano

With a unique design, the 48″ K-400 Professional Upright Piano distinguishes itself from every other upright piano in its class. Its grand-style music rack that is large enough for oversized books and scores (and places music at eye level) is highly-valued by students and professional players alike. The exclusive Kawai Millennium III Upright Action is considered one of the finest upright actions in the world, helping the K-400 upright piano deliver exceptional control, responsiveness and consistency over many years of performance. The solid spruce soundboard is strategically tapered to maximize the K-400’s tone-producing capability. In both style and function, the K-400 upright piano is an instrument that sets itself apart from the rest. The K-400 is part of the K Series Upright Piano lineup.

  • Exclusive Millennium III upright action with ABS-Carbon composites
  • Grand-style music rack (37″L x 10″H)
  • New England style dual-hinged fallboard
  • Double felted mahogany core hammers
  • Award-Winning specifications of the K-300
  • Height adjustable bench

Millennium III™ action - features components made of ABS-Carbon, a composite material created by the infusion of carbon fiber into Kawai's renowned ABS Styran. ABS-Carbon is incredibly sturdy and rigid, which allows the creation of action parts that are lighter without sacrificing strength. The result is a stronger, faster action that offers more power, better control and greater stability than conventional all-wood actions.

Extended key length - Longer keys make playing easier and provide more even response from the front to the back of the playing surface. The benefits to the player are greater control and more power with less effort.

Die-cast aluminum action brackets - Made from a custom mold, die-cast parts are formed exactly the same every time. The K Series pianos feature three aluminum action brackets that are die-cast to provide an added measure of strength, uniformity and stability for accurate touch over time.

Kawai K Series Soundboard

Tapered soundboard made of solid spruce - The soundboard is the heart of a piano. Its purpose is to transform the vibrations of the piano’s strings into a rich, resounding tone. Kawai uses only straight grained, quarter sawn solid spruce for K Series soundboards. Each soundboard is strategically tapered to maximize its tone producing capability. Only those that meet or exceed our demanding quality standards are selected for use in our professional upright pianos.

Energy reflecting contour bars - reshape the speaking area of the soundboard to resemble the contour of a grand piano soundboard while reflecting sound energy back into the center for increased tonal power and sustain

Mahogany wood core & T-stapled, double felted hammers - Mahogany hammer moldings are lightweight and extremely responsive. The felt is T-stapled to preserve hammer shape and fitted with an added interior layer of underfelt to support the creation of exceptional tone.


5 back post - The K-400's soundboard is supported by 5 exceptionally strong multi-layered back posts and Kawai's proprietary “matched strength” iron plate. Using state-of-the-art CAD technology, Kawai calibrate's the strength and mass of the plate to match the scale design of each individual model. This philosophy ensures a sturdy, well-balanced back assembly that supports string tension and provides a solid foundation for outstanding tone

Plate bolts - Bolts strengthen the connection between the plate and back posts for greater stability.

Steel reinforced keyslip - The piano’s keyslip is the long, horizontal piece of wood that covers the front faces of the keys. Because it is long, thin and made of wood, a keyslip can warp or bend with changes in humidity, causing keys to stick. To eliminate this problem, a heavy gauge steel angle iron is added to prevent warping and bending in any direction. Keys move more freely with virtually no possibility of rubbing or sticking against the keyslip.

Keybed and braces - The piano’s keybed must be strong and stable to support the action assembly and maintain action regulation over years of heavy use. K Series keybeds are made with sturdy laminated hardwoods and reinforced by rear braces on the iron frame that help to ensure stable placement and add rigidity to prevent energy loss.

Multi-grip pinblock - All K Series pianos include a multi-laminated pinblock with a minimum of eleven cross-banded layers of North American hard maple for maximum strength and consistent torque.

Tuning pins - K Series tuning pins are made from the finest steel, machine-threaded for maximum bi-directional torque and nickel plated to enhance beauty and provide long-term protection.

Square tube pedal levers - The square tube design of K Series pedal levers makes them stronger than the lower cost round-tube levers with flattened ends found on many other pianos. In addition, the square shape provides a flat surface for the wing nuts which helps to prevent unwanted noise and enables a more stable pedal adjustment.

Exterior Design

The eternal beauty of an upright piano - Modern design shines in space. A design that was born from the fusion of new ideas and modern technology, and assembled with the highest accuracy. With its square form and dynamic lines, the K-300 has a simple yet certain personality, in which we meet beauty for the first time.

Longer music rack - Conveniently built into the fallboard, the music rack extends nearly forty inches to accommodate multiple music books or sheet music that extends laterally.

Cast brass pedals - Kawai's proprietary casting process binds molten brass to a sturdy steel core resulting in strong, beautiful pedals that will not wear through over time.

Double brass casters (front) - The front double casters are made of solid brass and are as sturdy as they are attractive.

Soft Fall fallboard closing system - The ultra-slow “Soft Fall” closing system protects hands and the piano’s finish from the harm that a jarring close might cause.


To ensure your peace of mind and protect the value of your investment, every New Kawai K Series piano is covered by a Ten (10) Year Fully Transferable Warranty. This warranty is the seal of Kawai's craftsmanship—and the assurance of your satisfaction for many years to come.

  • New Kawai K-400
  • Height Adjustable Bench
  • Factory Warranty
  • Two (2) Tunings (1 during prep in shop and 1 in home)
  • LP's Exclusive Trade Up Program
Related Pianos

Kawai K-800 (53")

Kawai K-500 (51")

Kawai K-300 (48")

Kawai K-200 (45")