I purchase a set of DV's from my favor show Martin as a gift to a friend, I found out that this ones come from China, copys with no authorization made for a 3rd world, they dont give you warranty or no where to return. If you trying to save a few buck's like I did, big mistake and worst from this company, what they sell is garbage 100%. Order from Amazon were at list you have the option to return if you are not satify. read full review »