Casio CTK-240 Reviews

Main advantage: 

This is the ideal organ for beginners in music and learning it. With the purchase you can enjoy courses and an instructional book that will guide you through the first months of practice.

Main disadvantage :

The consumption of the energy of the batteries occurs quickly with constant use, for that reason, it is advisable to buy a power adapter and connect it to electricity.

Verdict: 9.7/10

This keyboard is an option with a good relationship between quality and price. It offers everything beginners and hobbyists need at an affordable cost: great sound and playing comfort.

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Main Features Explained

music learning

Those looking for a keyboard or the best organ on the market to get started in the world of music can find a great ally in this Casio product. Although it is great for beginners, whether they are children or adults, this product, unlike other smaller organs, retains a structure much like that of a professional electronic keyboard.

Under normal circumstances, this instrument gives you all the freedom you need to create your own musical pieces or just lose yourself in the music for a while, playing the melodies you want. However, in case you want to take the time to practice, then you can enjoy the Melody Cut training system, with 50 practical units to learn and improve your skills with the instrument.

With the purchase, you can get three months of an online starter course to learn all the basics about your new electronic keyboard and, as if that weren’t enough, the device also comes with a little book to help you learn. Taking advantage of all these qualities to the fullest will really be a benefit for the musical learning of children and adults. This is complemented by the different tones, melodies and rhythms that will allow you to experience different musical styles.


If you look for opinions on what to consider when buying an electronic organ, you will realize that the most important thing is the sound. The purpose of a musical instrument is to produce melodies, therefore this keyboard comes with everything you need to compose songs whenever you want. The first thing that stands out is that, unlike some keyboards that have 8 polyphony voices, this instrument has 12 to give you more variety.

The keyboard also offers diversity when playing, as it has enough keys to experiment with different tunes. This makes it stand out, because with 49 keys and 8 octaves you can make different mixes and create new sounds.

The upper buttons will allow you to interact with the keyboard in a more complete way, since you will be able to turn the device on and off, and access different settings. For example, you can take the accompaniment volume from 0 to 9, and you can also start or pause melodies when playing. There are 50 songs included that you can enjoy, giving you a wider variety, along with the 100 sounds of the instrument. The two 1.6 W speakers will provide a clear and crisp noise so that your notes will be heard like those of a professional.

Technical specifications

One of the reasons why many people decide to use this electronic keyboard is because it has a very affordable price, taking into account all the qualities of the instrument. However, if you want to be completely sure that your investment will be worth it, then it is advisable to take into account all the technical details of the instrument.

In terms of its structure, this keyboard stands out for being a little larger than others of the Casio brand, however, its dimensions of 99.7 x 27 x 10.8 cm still allow its handling to be comfortable and also easy. move it from side to side. Its weight is 2.8 kilograms, so you will not have to make a great effort to lift it and move it.

To work, you need 6 AA alkaline batteries, which can give up to 6 hours of continuous operation. However, the keyboard gives you the opportunity to connect a power adapter for its operation, with a power consumption of 9.5v – 5.0w. When you don’t use the instrument for 6 minutes, it will automatically turn off to save power. The audio output is mono with an impedance of 7.8 ohms. Apart from the technicalities, the instrument has a neat design with a quite aesthetic and elegant style.

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