Speaking the truth since 1980, Casio put full-size electronic keyboards within reach of everyone. Over 40 years later, the CT-S1-76 is carrying that same refrain into the future with all the modern advancements you expect from Casio.The Casio Casiotone CT-S1-76 builds on the venerable and beloved CT-S1 with a broader 76-key layout and an upgraded speaker system that lets your music ring out with impressive depth and clarity. Designed to inspire the beginner and satisfy the experienced, the CT-S1-76 delivers, expressive sounds, a sleek design, and intuitive controls. Its full-size, touch-responsive keys make it easier to play more piano-focused pieces, and the expanded range means you can dive deeper into classical repertoire, pop, or whatever musical mood you're in.With Casio’s AiX Sound Source under the hood, the CT-S1-76 produces a rich variety of 61 Tones, from a responsive stereo grand piano to warm vintage electric pianos, textured strings, and iconic synths. The design is minimal but sharp, available in black or white to suit your aesthetics or persona. The built-in metronome and simple recording function keep practice sessions productive, and optional battery power and Bluetooth connectivity give you the flexibility to play wherever inspiration strikes. It’s a smart, stylish update to a classic idea that more people should play. Let more keys, better sound, and fewer cables open up your creative possibilities.Casio CT-S1-76 IncludesMusic StandAC AdapterCasio CT-S1-76 Features76 full-size keys with touch responseAvailable in black or white finishesStereo grand piano plus 60 other AiX-powered TonesUpgraded 13-watt bass-reflex stereo speaker system with surround effectEasy one-button recorder and metronomeRemote control with the Casio Music Space app via USB or the optional WU-BT10 Bluetooth MIDI/Audio adapterOptional 8xAA battery power (AC adapter and music rest included)Casio CT-S1-76 SpecificationsNumber of Keys: 76Touch Response: 3 sensitivity levels, offSound Source: AiXMaximum Polyphony: 64Number of Tones61ADVANCED TONES: 10CASIO CLASSIC TONES: 12Demonstration Songs: 1 + 10 (Piano demo)Recorder[MIDI Recorder]1 song40,000 notesSpeaker: [13cm x 6cm] x2Amplifiers: 6.5W+6.5WPower SupplyAC Adaptor: AD-A12150LW (DC 12V)Battery: AA-size alkaline batteries x 8 or AA-size rechargeable nickel metal hydride batteries* x 8Battery Life: Approximately 7 hours continuous operationActual 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: 10WDimensions: 1,140 x 258 x 83 mm (w/o music stand)Weight: 5.3kg (w/o batteries)Color: BlackEffectsReverb: 24 (+ Preset for each tone)Chorus: Yes (Preset for each tone)Delay: Yes (Preset for each tone)DSP: Yes (Preset for each tone)Master EQ: 10SurroundLayer/Split: Layer: 2 (Upper1/2)Octave Shift: -3 octaves ~ 0 ~ +3 octavesTranspose: -12 semitones ~ 0 ~ +12 semitonesTuning Control: A4 = 415.5 Hz ~ 440.0 Hz ~ 465.9 Hz Adjustable in 0.1 Hz increments Scales: Equal temperament + 16 variationsMetronome: 0 to 16 beats; tempo range: 20 to 255OthersMy Set Up Function: YesHeadphone mode: YesVolume Sync EQ: YesInput/Output TerminalsUSB port: micro B, Type A *for optional Wireless MIDI & Audio Adaptor WU-BT10 onlyAUDIO IN: Stereo mini phone jack (mini TRS phone)PEDAL: TS phone jackPHONES/OUTPUT: Stereo mini phone jack (mini TRS phone) Casio CT-S1-76 76-key Keyboard with 61 Tones - Black.