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The LK-S450: Easy, fun and always by your side

It’s never too late to start playing the keyboard. Explore new ways to learn music with the LK-S450. Fun is key to learning. The simple, user-friendly interface provides access to a variety of high-quality tones and multiple functions plus a hands-on learning guide so you can progress at your own pace.
What are you waiting for? The LK-S450 is ready when you are.

An old man is sitting at a table playing the Casiotone LK-S450 digital piano, with an old lady sitting opposite him listening

These Keys Unlock Doors

Learning to play your favorite tunes is now easier than ever. Relax and let the LK-S450 show you what note to play next. With the Key Lighting System illuminating the way, start playing your first song in as little as a few minutes. Complemented by the additional feature of the Step-Up Lesson Mode, you’re in control of how quickly you move through the levels. Enjoy learning at your own pace from the comfort of your home.

Learning That Feels Like Playing

The freedom to play and enjoy the authenticity of music. Explore the variety of built-in songs in the LK-S450 and play along to your favorites. Use the accompanying app to make learning even more fun. When music lessons are this exciting, practice becomes play.

Learning That Feels Like Playing

The freedom to play and enjoy the authenticity of music. Explore the variety of built-in songs in the LK-S450 and play along to your favorites. Use the accompanying app to make learning even more fun. When music lessons are this exciting, practice becomes play.

A girl and a boy are sitting at a table playing the Casiotone LK-S450 digital piano together
A girl is sitting at a table playing the Casiotone LK-S450 digital piano

Sounds That Motivate You to Play

Compact but powerful, the LK-S450 is equipped with the AiX Sound Source — bespoke technology showcasing Casio's expertise in the development of quality electronic instruments. Find your style, with 600 varieties of tone, and refine your musical palate by experiencing, first-hand, the colourful nuances of quality sound. The expertly curated combination of advanced technology and elevated sound quality provides you with an uplifting musical experience every time you play.

An old man with a long white beard sits at a table and plays the Casiotone LK-S450 digital piano

Bring Your Music to Life

Turn on and tune in with the LK-S450. Horizontal Bass Reflex technology, combined with custom speakers and surround sound function, produces powerful and vivid sounds with an unexpected deep resonance from such a compact device. Ensure consistent audio quality, with the Volume-Sync EQ function automatically adjusting the bass and treble balance, achieving a perfectly clear and energetic sound at any volume. This streamlined keyboard packs a punch. Immerse yourself in a whole new world of performance and fill your environment with sound.
Don't just play the notes, make music an experience.

Children's hands playing the keys of the Casio Casiotone LK-S450 digital piano

Lighting the Way to Your Music

Perfect for any level, the LK-S450 is your own personal teacher with its Key Lighting System guiding you through each piece by illuminating the keys in sequence. Play along to any of the 160 built-in songs with ease. Slow the tempo to help you practise, or learn melodies individually by selecting left-hand or right-hand parts only. The LK-S450 will act as your other hand. Everyone can experience success with the "Easy" mode — simply enjoy your achievements without the stress. Let the LK-S450 guide you at your own pace and learn in a variety of ways.
All learning should be this much fun!

Top: a child's hand pressing a key on the LK-S450's control panel. Below: a young woman is lying on a carpet playing the LK-S450 digital piano, with a tablet on the music stand

Unlock Your Potential

Indulge in the fun of music with the LK-S450. Choose from 200 rhythmic patterns and play along to your favourite tune with the automatic accompaniment setting. If Karaoke is more your style, sing along to one of the built-in songs. Play music from your smartphone or tablet though the keyboard's speakers with the Wireless MIDI & Audio Adapter WU-BT10*. If individuality is everything, customise the LK-S450's audio with the CASIO MUSIC SPACE app. The LK-S450 gives you the freedom to change the key and tempo, or turn your favourite music into a backing track with the "cancel melody" or "cancel accompaniments" functions. Built-in scores provide even more options. MIDI capability makes all lessons fun. Entertain yourself with a tune by playing along with the piano roll.
More than a mere keyboard, the LK-S450 is your key to the world of music.

*Sold separately

A young woman and a young man are sitting together on the floor, playing the Casiotone LK-S450 digital piano together, which is on the man's lap

Wherever You Are, Make Music

Stylish, casual, effortless. The LK-S450 is slim and light enough to fit anywhere, even over your shoulder. No desk or stand? Strap pins allow you to play anywhere. LK-S450's intuitive interface comes with a variety of built-in tones and functions so you're never short on material. Use My Setup to program in different functions, customising your settings and assigning them to one of the 5 buttons below the LCD screen, then access them with a single touch when you're ready to play.
Enrich your life with music.

Sound Samples

More Features


  • Touch Response — add intensity and rich expression to each note you play


  • Layer Function — expand your performance range by layering two tones

  • Split Function – divide the keyboard to play different tones

  • Metronome — keep time in practice and performance

  • MIDI Recorder — record your performances and play them back

  • Phones/output jack — tuck yourself away from the world around you as you play

Specifications

Keyboard

Number of Keys 61
Touch Response: 3 sensitivity levels, off
Key Lighting System Yes


Sound Source

AiX
Polyphony 48


Tones

600


Layer

3 (Upper1/2, Lower1)


Split

Yes


Sustain:

Yes


Effects

Reverb: 20
Chorus 10 (+Preset for each tone) Chorus:
DSP Yes (Preset for each tone) Delay:
Master EQ 10


Volume Sync EQ

Yes


10 Surround

Yes


Accompaniment

Number of Rhythms/Patterns 200
One Touch Presets 200
243 User Rhythms: 10
Chord Mode: CASIO Chord, Fingered 1, Fingered 2, Fingered On Bass, Fingered Assist, Full Range
Rhythm Elements: Intro, Normal, Normal-Fill, Variation, Variation-Fill, Ending, Synchro Start, Synchro Stop


Metoronome

Yes
Tap Tempo: Yes


Songs

160
Step Up Lesson
Lesson Part Select: Yes
User Songs: 200
Demo Songs 1


My Set Up Function

Yes


Chord Book

Yes


Transpose

-12 to +12 semitones


Tuning:

A4 = 415.5 Hz to 440.0 Hz to 465.9 Hz(Adjustable in 0.1 Hz increments)


Octave Shift

-3 to +3 octaves


Oriental Scale Setting

Equal temperament + 16 variations


MIDI Recorder

Yes
Songs: 5
Tracks: 6 (1 system track, 5 solo tracks)
Memory capacity: 40,000 notes (for each song)


General MIDI

Yes


Connection to Bluetooth®

Bluetooth® MIDI/Audio: Yes (with optional adaptor)


Connection to App

Supported App: CASIO MUSIC SPACE


Terminals

PHONES/OUTPUT: Stereo mini phone jack (mini TRS phone)
MIC IN: Standard phone jack (TS phone)
PEDAL TS phone jack
AUDIO IN Stereo mini phone jack (mini TRS phone)
USB to host micro B for expandability
USB TO DEVICE: Yes


LCD

Yes
Type Full-dot
Back Light: Yes (white)


Strap Pin:

Yes


Speaker

[13 cm x 6 cm] x 2
Horizontal Bass Reflex: Yes


Amplifiers

2.5W + 2.5W


Power Supply

DC 9.5V


Power Supply

AC Adapter: AD-E95100L (DC 9.5V) Batteries:
Battery: AA-size alkaline batteries x 6 or AA-size rechargeable nickel metal hydride batteries* x 6 Battery Life: Approximately 3 hours continuous operation
Approximately 4 hours continuous operation Actual continuous operation time may be shorter due to battery type, performance type, and usage environment.
*Measured values while using eneloop batteries. eneloop is a trademark of Panasonic Corporation.


Power Consumption

7.5 W


Dimensions

930x258x84(mm)


Weight

4.6kg


Included Accessories

Music Stand, Strap Lock


Options (sold separately)

Pedals (SP-3, SP-20), Headphones (CP-16), AC Adaptor (AD-E95100L), Wireless MIDI & Audio Adaptor (WU-BT10), Special Stand (CS-2X), Benches (CB-7, CB-30BK, CB-30BN), Carrying Case (SC-650B)


EAN code

4971850315124


Bluetooth® word mark and logo are registered trademarks of Bluetooth SIG, Inc. and any use of these marks by CASIO COMPUTER CO., LTD. is under licence.

Built-in Songs

PIANO/CLASSICS


FÜR ELISE

LA PRIÈRE D'UNE VIERGE

VALSE op.64 no.1 "PETIT CHIEN"

TURKISH MARCH (MOZART)

TRÄUMEREI

ETUDE op.10 no.3 "CHANSON DE L'ADIEU"

LIEBESTRÄUME no.3

NOCTURNE op.9 no.2 (CHOPIN)

CANON (PACHELBEL)

JE TE VEUX

MARY HAD A LITTLE LAMB

LE CYGNE FROM "LE CARNAVAL DES ANIMAUX"

SONATA op.13 "PATHÉTIQUE" 2nd Mov.

HEIDENRÖSLEIN

AIR FROM "SUITE no.3"

SPRING FROM "THE FOUR SEASONS"

HABANERA FROM "CARMEN"

BRINDISI FROM "LA TRAVIATA"

HUNGARIAN DANCES no.5

MINUET IN G MAJOR

MUSETTE IN D MAJOR

ECOSSAISE IN G MAJOR

GAVOTTE (GOSSEC)

ARABESQUE (BURGMÜLLER)

CHOPSTICKS

DECK THE HALL

ODE TO JOY

AVE MARIA (GOUNOD)

SONATINA op.36 no.1 1st Mov.

PRELUDE op.28 no.7 (CHOPIN)

RÊVERIE

GYMNOPÉDIES no.1

GOING HOME FROM "FROM THE NEW WORLD"

BRIDAL MARCH FROM "LOHENGRIN"

SONATA op.27 no.2 "MOONLIGHT" 1st Mov.

THE ENTERTAINER

WEDDING MARCH FROM "MIDSUMMER NIGHT'S DREAM"

AMERICAN PATROL

FRÖHLICHER LANDMANN

LA VIOLETTE

SPINNERLIED

LA CHEVALERESQUE

SONATINE op.20 no.1 1st Mov.

SONATA K.545 1st Mov.

GAVOTTE FROM "FRANZÖSISCHE SUITE V"

JESUS BLEIBET MEINE FREUDE

SERENADE FROM "EINE KLEINE NACHTMUSIK"

MARCH FROM "THE NUTCRACKER"

CHANSON DU TOREADOR FROM "CARMEN"

LARGO (HÄNDEL)

INNOCENCE

PROMENADE FROM "TABLEAUX D'UNE EXPOSITION"

INVENTIONEN no.1

PRAELUDIUM no.1 (J.S.BACH)

DOLLY'S DREAMING AND AWAKENING

LA FILLE AUX CHEVEUX DE LIN

HUMORESKE (DVOŘÁK)

ARABESQUE no.1 (DEBUSSY)

MAPLE LEAF RAG

MELODY IN F

EVENT


SILENT NIGHT

JINGLE BELLS

WE WISH YOU A MERRY CHRISTMAS

JOY TO THE WORLD

O CHRISTMAS TREE

WORLD


WHEN THE SAINTS GO MARCHING IN

GREENSLEEVES

ANNIE LAURIE

HOME ON THE RANGE

AMAZING GRACE

LONG LONG AGO

TWINKLE TWINKLE LITTLE STAR

GRANDFATHER'S CLOCK

SANTA LUCIA

TROIKA

LIGHTLY ROW

ON TOP OF OLD SMOKEY

AULD LANG SYNE

COME BIRDS

DID YOU EVER SEE A LASSIE?

MICHAEL ROW THE BOAT ASHORE

DANNY BOY

MY BONNIE

HOME SWEET HOME

AURA LEE

ALOHA OE

JOSHUA FOUGHT THE BATTLE OF JERICHO

THE MUFFIN MAN

LONDON BRIDGE

UNDER THE SPREADING CHESTNUT TREE

SIPPIN' CIDER THROUGH A STRAW

BEAUTIFUL DREAMER

IF YOU'RE HAPPY AND YOU KNOW IT, CLAP YOUR HANDS

MY DARLING CLEMENTINE

LITTLE BROWN JUG

HOUSE OF THE RISING SUN

SHE WORE A YELLOW RIBBON

YANKEE DOODLE

MY OLD KENTUCKY HOME

SZLA DZIEWECZKA

WALTZING MATILDA

ON THE BRIDGE OF AVIGNON

I'VE BEEN WORKING ON THE RAILROAD

OH! SUSANNA

CAMPTOWN RACES

JEANNIE WITH THE LIGHT BROWN HAIR

TURKEY IN THE STRAW

JAMAICA FAREWELL

FURUSATO

SAKURA SAKURA

EXERCISE


(EXERCISE1-50)

* A collection of songs for finger training. They may also provide some mental stimulation.
The level of mental stimulation depends on the individual.
This product is not a medical device.

User Songs:


- User Song 1-10

USER Recording


- Tone Recording

- Rhythm Recording

- Part off Recording

Multi-track Recorder:

USB SONG


USB flash drive port

Input/Output Terminals

Close-ups of the various input and output connectors

1 USB TO HOST terminal
2 USB TO DEVICE terminal
3 DC 9.5 V terminal
4 PHONES/OUTPUT jack

5 AUDIO IN jack
6 MIC VOLUME knob
7 MIC IN jack
8 PEDAL jack

*Click here for a list of the supported operating systems for the USB (TO HOST) feature.

Select a location