guys hello myself amit i will giving you a detailed review of using this device after using 2weeks first of all if you are sreacing this for bass then its not made for u1 excellent vocals and crystal clear sound2 but you will not get high sound like his lower version 4003 this is not foldable and easy to carry4 design is very good and morden looks 5 built quality is average atlast you are a bass lover and pc gamer or using high volume songs then its not for u if you are like me