When you are searching for a digital piano, there are a number of different features that you should consider before making your purchase.
Number of keys
The number of keys that are on the digital piano is very important. If you choose a digital piano that has too many keys you will find that it is too large to transport. You can find digital pianos with around 61 keys too, although having so few keys can be problematic unless you are planning on sticking to simple melodies. The standard size of digital piano is 88 keys. This is as many keys as you could possibly need, even if you are touring as part of a band or for concerts. More at http://bestrateddigitalpiano.com.
You should make sure that you know how the audio will be sounded from the digital piano. Some digital pianos require a separate amplifier, which would not be suitable if you like to travel lightly or need to transport to your digital piano on public transport. If you do not want to use and amplifier, then you will need to find a Digital piano that has a built in speaker. You should also ensure that the speaker is sufficient for the purpose that you need the piano for.
If you would like the option to plugged in a set of headphones then you will need to make sure that the digital piano has a headphone jack.
Tones and Sounds
When you are choosing a digital piano you should also make sure that you know what sound do you want the piano to make. If you are using sound effects and different voices with your digital piano then you will need to make sure that there are enough tones and sounds that come with the instrument.
Polyphony is an unusual word that you may not have heard of before. It is an important term when it comes to choosing a digital piano as this feature relates to the number of individual notes that the digital piano can sound at one time. If you have ever been unfortunate enough to have used a cheap digital piano, you will probably have experienced Notes cutting out when multiple keys are pressed at the same time. Is a digital piano has a polyphony number of 88 for example, then this means that 88 keys can be pressed at one time without losing any quality the sound. You should try to avoid any digital pianos that have a polyphony number of 32. This is generally insufficient when it comes to performance standard Digital pianos. You should purchase a digital piano that has a polyphony of 64 or higher. 128 is generally the best choice for most pianists. Of course, a digital piano that has a higher polyphony number generally costs more than one with a lower number. More at http://bestrateddigitalpiano.com/what-is-the-best-portable-digital-piano-that-you-can-get-today/.
The touch response of a digital piano is another important thing to consider. Many inexperienced pianists will concentrate too much on the number of voices the flashing lights and aesthetics of a digital piano rather than the way that it feels when it is being played. Many higher end digital pianos are designed to feel like an acoustic or traditional piano. When you press the keys of a traditional piano in the lower registers you will find that you need to apply more pressure than when you press the keys of the higher notes.