Features a 15W + 15W high-output amp and bass reflex speakers, demonstrating the full potential of the AiX Sound Source: :This Series comes with the AiX Sound Source, which can produce a wide range of sound qualities from powerful bass tones to clear high tones. The exceptional computing power of the high performance LSI reproduces the natural charm of acoustic instrument sounds, such as the agreeable change in tone when a piano key is struck, the sensation of a drum performance, or soaring strings. ​Dynamic tone changes also give its electronic sound exceptional expressiveness.​::61 keys with Touch Response, 64 Polyphony::800 Tones and 250 Rhythms::15W＋15W

​​​​​​​Casio CT-X900IN Portable Musical Keyboard Piano

• Product Type: Portable Keyboard
• Series: High Grade
• Action: Non Weighted Keys
• Control Panel: Digital
• Key Type: Solid
• Keyboard Type: Velocity Sensitivity
• Number of Key: 61
• Control Button Type: Volume Control::Rhythm Control::Tone Control::On/Off Button
• Built-in Speakers: Yes
• Built-in Amplifier: Yes
• Display Type: LCD with Backlight
• Case Included: No
• Stereo Input: Yes
• MIDI Port: Yes
• Microphone Jack: Yes
• USB Cable: No
• Tones: 800
• Polyphony Tones: 64
• One Touch Preset: Yes
• Number of Presets: 250
• Number of Songs: 30 songs, 10 user songs
• Instrument Sounds: 800
• Octaves: 5
• Accompaniments: Yes
• Number of Effects: 168
• Equalizer: Yes
• Sound Recording: Yes
• Power Source: AC
• Battery Included: No
• AC Adapter Included: Yes
• Power Requirement: AC Adaptor : AD-E24250LW
• Power Consumption: 15 W