The sound technology has advanced a lot , such that professional audio equipment’s are now available in the market . http://www.proaudiosolutions.com/Recording-Equipment-s/1115.htm Professional audio equipment’s are high quality equipment’s with high sound quality for a professional use. Professional audio equipment have uses in many places including recording studios, home theaters , audio mixing sound recording etc. . Apart from professional use private audio equipment’s like head phones , ear phones etc. are also being used . Even if you are just a customer looking for a simple earphone for your personal use or a professional sound engineer looking for professional equipment’s you will definitely look for the quality as well as the sound effects . There are many high end audio equipment’s that you can buy in todays market . Now a days many music bands and commercial music studios are coming up . So the need for such high quality music instruments are very high .