Casio CTK-2550 Home Keyboard Information, Specifications and Resources

Author: Andy Merrett / Data Driven

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Casio CTK-2550

Overview

The Casio CTK-2550 is a home keyboard released in 2010. It is marketed primarily to home musicians.

The CTK-2550 has 61 synth/organ style full sized keys with touch sensitivity but no aftertouch. It has 48 notes of polyphony. It has hundreds of on board sounds including pianos and real world sounds, accompaniments and rhythms, and sustain/damper and soft pedals.

The CTK-2550 uses Casio's High-level sample playback sound system, a basic PCM-style sample engine used in entry-level keyboards. It also uses Acoustic and Highly-compressed Large waveforms sound source, offering efficient sample playback optimized for low memory with good fidelity.

It has built-in MIDI capabilities. It offers an on-board learning system. It has a built-in amplifier and speakers. It can run from both AC and battery power.

It's a part of the CTK family of instruments.

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Disclosure

Check out the latest Casio instruments on Amazon

As the Casio CTK-2550 is 16 years old, you may find used models and spare parts on ebay.

Specifications

Form

Number of Keys: 61
Key Weight: Synth
Key Size: Full
Touch Sensitive:
Aftertouch:

Sound

Number of Voices: 400
Polyphony: 48
Sound Generation: AHL
Piano Sounds:
Real World Sounds:
Sounds Editable:
Accompaniments:

Extra Features

Recorder/Sequencer:
Tutorials:

Communication

MIDI:
USB:
Tablet Connectivity:

Power

AC Power:
Batteries:

Audio

Speakers:
Audio Out:
Audio In:

Pedals

Sustain Pedal:
Soft Pedal:
Expression Pedal:

Release Info

Year: 2010
RRP: $130

Description

Improved sound quality and keyboard feel

Piano-style keyboard

An easy-to-play keyboard with an appearance resembling that of an acoustic piano.

Digital effects

Use effects to add reverb for more depth and breadth in your music.

Chordana Play

Add to the fun by linking the keyboard with the downloaded Chordana Play app in your smart device.

[Availability] LK-265, CTK-3500, CTK-2550, CTK-2500

*CTK Series keyboards do not offer Key Lighting.

Chordana Play Special Site

Expand the keyboard’s store of built-in songs

Use an audio cable to transfer 50 built-in songs from the app as well as songs downloaded as MIDI files and save them in the keyboard. You can then use the saved song data with the keyboard accompaniment function to enjoy the Step Up Lesson feature.

Practice playing on the smart device screen

Another fun feature is the ability to take 3-step lessons on the smart device itself using the virtual keyboard that appears on the screen. You can confirm the chords, melody and finger timing visually on the screen, while also using the scoring function to help you master the song. The 50 built-in app songs and your downloaded MIDI file songs are all available for use in your lessons.

Dance Music Mode

Easy dance tune playback - Just touching the keys is all it takes to play dance music expressing a DJ mood. Or you can use Build-up Play to apply sound effects characteristic of dance music for even more fun.

Built-up Play

Pressing the indicated black keys livens up the music with six dramatic sound effects!

Powerful lesson functions!

Lesson Lite

In the Lesson Lite, notes appearance on the display screen. Play notes on the keyboard in accordance with the instructions provided by Voice Fingering Guide.

Voice Fingering Guide

If the keyboard senses you are having problems, it will help you by calling out finger numbers in a simulated human voice.

Lesson Part Select(right hand, left hand, both hands)

Metronome

60 Song Bank Tunes

Built-in songs cover a wide range of genres for lesson play and for your listening enjoyment.

Designed and engineered to help you sound your best!

400 high-quality tones

A wide selection of musical instrument tones supports play of songs from various genres.

100 rhythms and Auto Accompaniments for Latin music and other styles from around the world (100 rhythms including 46 ethnic rhythms and 10 patterns for piano play)

An advanced Auto Accompaniment feature provides you with access to a large collection of ethnic rhythms from around the world, with a special emphasis on Latin rhythms. In addition to Bossa Nova, Samba, and other basic rhythms, you also get Cumbia, Reggaeton, Calypso, and more!

One Touch Preset (100 presets)

One Touch Preset automatically sets up the keyboard to match the currently selected rhythm.

FAQ

What year was the Casio CTK-2550 launched?

This instrument was launched in 2010

What other models did Casio release in 2010?

What models did other manufacturers release in 2010?

What other home keyboards were released at a similar time?

Have your own question about the Casio CTK-2550? Email us and we'll research it for you.

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Purchase Links

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More Info

Added: 2026-01-26 Updated: 2026-02-13 ID: 634

Instruments from 2009 Instruments from 2010 Instruments from 2011 Instruments from the 2010s
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