A Roland Fantom G6 Keyboard Synthesizer is similar in looks to an arranger keyboard or a musical keyboard but that where the simalarities end. To the professional musician, a synthesizer is a very valuable music instrument. With their 61 keys it’s easy to see why they can be mistaken for any regular old keyboard, but not just any keyboard can create the awesome musical sequences as the synthesizer does. These expensive instruments inable you to use the built in music and beats to create sounds all of your own. This is why they are used in proffesional recording studios. They usually don’t have built-in speakers. Since they are proffesional instruments you have to connect them to external speakers that are known as monitors, to hear what is being played.These instruments do not include built-in accompaniment patterns.