CASIO CT-X870IN Digital Portable Keyboard
The Casio CT-X870IN Digital Portable Keyboard features expressive touch-sensitive keys, rich AiX sound quality, versatile rhythms, and creative performance tools — perfect for practice, composition, and live performance.
Product Description
The Casio CT-X870IN Digital Portable Keyboard is a versatile 61-key instrument designed for musicians who want powerful sound and modern features in a portable format. Built with Casio’s advanced AiX Sound Source, this keyboard produces rich, dynamic tones that closely replicate the character of acoustic and electronic instruments. From expressive piano sounds to vibrant synth textures, the CT-X870IN supports a wide range of musical styles for learners and performers alike.
The keyboard features touch-sensitive keys that respond naturally to your playing dynamics. Soft touches create gentle tones, while stronger keystrokes produce bold, powerful sound. This expressive response helps players develop proper finger control and musical expression. Whether you are practicing classical pieces or modern songs, the responsive keyboard enhances your performance experience.
With 600 built-in tones, the Casio CT-X870IN offers an impressive variety of instrument sounds. Musicians can explore pianos, guitars, strings, brass, ethnic instruments, and modern synth voices. This broad sound library makes the keyboard suitable for experimenting with different genres, encouraging creativity and musical exploration.
The 195 auto-accompaniment rhythms add depth and excitement to your playing. As you perform chords, the keyboard automatically generates bass lines and rhythmic backing, simulating the feel of a live band. This feature is especially useful for solo performers and students who want to practice timing and arrangement skills.
Learning support is another strength of the Casio CT-X870IN Digital Portable Keyboard. Built-in lesson functions and a 160-song music library allow players to practice step by step. These tools guide beginners through structured exercises while helping intermediate players refine their technique and confidence.
For creative performance, the keyboard includes advanced tools such as an arpeggiator, auto-harmonize function, and registration memory. These features enable musicians to customize sounds and instantly recall favorite settings. USB-MIDI connectivity allows easy integration with computers and music software for recording and production.
The high-visibility backlit LCD screen simplifies navigation, making it easy to select tones, rhythms, and settings. The user-friendly interface ensures quick adjustments during practice or performance. Its compact and lightweight design makes the keyboard convenient to transport and store.
Overall, the Casio CT-X870IN combines portability, expressive sound, and practical learning features in one complete instrument. It is an excellent choice for students, hobbyists, and performing musicians seeking a reliable keyboard that supports long-term musical growth.
- 61 touch-sensitive keys for expressive control
- 600 tones and 195 auto-accompaniment rhythms
- Advanced AiX Sound Source technology
- Built-in lessons with 160-song music library
- Arpeggiator, USB-MIDI, and performance tools
FAQ:
1) What is the standard warranty period for electronic keyboards in India?
Warranty periods are brand-specific. Major brands often offer:
- Yamaha & Casio Keyboards: Typically 3 years for portable keyboards.
- Roland, Korg, and others: Often 1 year.
- Important: Always confirm the specific warranty for the model you are buying, as terms can differ (e.g., digital pianos from Yamaha have a 12-month warranty)
2) What is the price range for electronic keyboards in India?
Prices vary based on features and brand:
- Entry-level (Beginners/Students): Often under ₹10,000.
- Mid-range (Intermediate/Hobbyists): ₹10,000 to ₹50,000.
- Premium (Professional/Stage): Above ₹50,000 (e.g., a Korg Pa600 arranger keyboard is listed around ₹70,000)
3) What if there is no authorized service center in my city?
If your city lacks a service center, you should contact the brand's head office or main service hub for instructions.
For example, Yamaha advises customers to get in touch with their Gurugram office if there is no service center nearby.
Product Specifications
| Specifications | |
| Keyboard | 61 standard size keys |
| Touch Response | Sensitivity 3 types, Off |
| Maximum Polyphony | 48 notes (24 for certain tones) |
| Built In Tones | 600 |
| Functions | Layer, Split, Piano/Organ button |
| Reverb | 1 to 20, Off |
| Chorus | 1 to 10, Tone |
| Metronome | Beats per Measure |
| Tempo Range | 20 to 255 |
| Song Bank | |
| Demo Song | 1 |
| Built In Songs | 160 |
| User Songs | 10* |
| User Recorded Songs | 6* |
| * Maximum Capacity Per Song | Approximately 320 kilobytes |
| Step Up Lesson | |
| Lessons | 3 (Listen, Watch, Remember), Easy Mode |
| Lesson Part | L, R, LR |
| Functions | Repeat, Voice Fingering Guide, Note Guide, Performance Evaluation |
| Built In Rhythms | 195 |
| User Rhythms | 10* |
| * Maximum Capacity Per Rhythm | Approximately 64 kilobytes |
| Chord Book Function | Chord guide |
| Registration | 32 (4 setups x 8 banks) |
| Other Functions | |
| Transpose | ±1 octaves (-12 to +12 semitones) |
| Octave Shift | Upper 1/Upper 2/Lower, ±3 octaves |
| Tuning | A4 = 415.5 to 465.9 Hz (Initial Default |
| Preset Scales | 17 |
| Music Preset | 310 |
| One Touch Preset | 195 |
| Auto Harmonize | 12 types |
| Arpeggiator | 100 types |
| MIDI | 16 multi-timbre received, GM Level 1 standard |
| Musical Information Function | Tone, Rhythm, Song Bank numbers and names, staff notation, fingering, pedal operation, tempo, measure and beat number, chord name, etc. |
| Pitch Bend Wheel | Pitch Bend Range 0 to 24 semitones |
| USB Flash Drive | SMF direct playback, data storage, data loading, data deleting, USB flash drive format |
| Inputs/Outputs | |
| USB Flash Drive Port | TYPE A |
| USB Port | TYPE B |
| PEDAL Jack | Standard jack (sustain, sostenuto, soft, rhythm) |
| Phones/Output Jack | Stereo standard jack/Output Impedance 167Ω, Output Voltage 4.5V (RMS) MAX |
| Audio In Jack | Stereo mini jack/Input Impedance 10kΩ, Input Sensitivity 200mV |
| Power Jack | DC 9.5V |
| Power Supply | 2-way |
| Batteries | 6 AA-size alkaline batteries |
| Battery Life | Approximately 3 hours continuous operation on alkaline batteries |
| AC Adaptor | AD-E95100L |
| Auto Power Off | Approximately 30 minutes after last operation; Can be disabled. |
| Speakers | 12cm x 2 (Output |
| Power Consumption | 7.5 W |
| Dimensions | W 94.8 x D 35.0 x H 10.9 cm |
| Weight | Approximately 4.3 kg (without batteries) |
| Included Accessories | Music stand, Power Adaptor |



