• 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
• Registration – save up to 32 sets (8 banks of 4 settings each), such as tone and rhythm
• MIDI Recorder – record your performances and play them back
• Pitch Bend Wheel – allow manual variations in pitch, giving your performance more flair and emotion
• Phones/output jack – tuck yourself away from the world around you as you play

Lifelike Sound. Always with YouConnect deeply with the true essence of sound. Vivid and clear piano tones are just the tip of the iceberg. Rejoice in the vivid tones of the AiX Sound Source and delight in expressive, high-resolution voices as they shine through Casio’s new and unique acoustic system, ensuring you experience a fresh, powerful sound that will never fail to enhance your creativity.Who would have thought that such a compact design could produce this level of luscious timbre and true-to-life sound? Experience music in your way in the comfort of your room.Your Keys to CreativityThe CT-S400 – more than your average keyboard. It’s your companion for learning, exploration and creativity. Enjoy the flexibility of switching up your playing as you improve. The keyboard evolves along with your style. Practice and play along with your favorite music or automatic accompaniment. Connect with an app or external device. Your experience is limited only by your imagination. With everything for everyone, it doesn’t matter what level you’re at – the CT-S400 will unlock a new creative you.Sounds to Inspire Your PlayingRedefining what makes a ‘real’ instrument, the CT-S400’s AiX Sound Source technology interprets the expressive complexity of musical instruments. With a rainbow of sounds to choose from, you never need to stop playing. Piano, strings, brass, synthesizer, bass and drums – 600 tones mean you are no longer restricted to one genre and the world of music is yours to explore.Which one will inspire you today?The Sound of a Great TimeDespite the CT-S400’s compact size, Horizontal Bass Reflex technology boosts the lows and, together with custom speakers, brings powerful and vivid sounds to life. Add the surround sound function and truly experience the vibration and power of pure music. Let the Volume-Sync EQ function take control as it automatically adjusts the balance between bass and treble, maintaining a punchy, vibrant sound, even at lower volumes. Touch the pleasure of sound and experience rich audio from the comfort of your home.Now, that’s music to our ears.Get Right to the Good StuffWith only the essential buttons on the CT-S400’s console panel, and a large dial to select tones and change settings via the LCD screen, the familiar keyboard layout ensures an intuitive experience. Maximize inspiration with My Setup. Program in a range of functions to suit your needs. Assign your favorite settings to each of the 5 buttons underneath the LCD screen and easily access them again with a single touch as soon as you’re ready. Customize the CT-S400, and make your music about you.You Play the Keys, Casiotone Brings the BandThe CT-S400 brings the ensemble to you. With 200 rhythmic patterns from a vast range of genres, you can play along to any of your favorite tunes. Replicate the exhilaration of playing alongside other musicians using the automatic backing function with any of the 160 built-in songs. Customize settings and make the performance your own by changing the tempo and selecting left-hand or right-hand parts to play along with and individually practice.Maintain your enjoyment – it’s all about stress-free practice at your own pace.A Musical Partner That Is Always Close at HandPowerful meets compact. The CT-S400’s slim design means it’s easy to move and set up anywhere. Make music in any location, with or without a stand or desk. Ideal – even when space is limited – thanks to the handy strap pins. The CT-S400 will always be by your side and ready to play.Smart, Creative, and Connected to Your WorldThe CT-S400 offers countless ways to enjoy the thrill of music. Listen to the music from your smartphone or tablet through the powerful keyboard speakers by using the Wireless MIDI & Audio Adaptor WU-BT10*. Access the score of each built-in song with the Chordana Play app. Customize melodies in Audio Mode by changing the key and tempo, or by using the ‘cancel melody’ and ‘cancel accompaniment’ buttons to turn your favorite music into a backing track, allowing you to play along. Use the MIDI capability in Lesson Mode to display piano roll, making practice fun! Connect to other MIDI-enabled apps and external devices to individualize your lessons – throw away your old notions of practice, get creative and have fun.* sold separatelySpecifications