Multimedia Speakers is often called Multi Speaker
Multimedian speakers Audio funs collect collections of famous brand series with Amplifiers(shoeten amps or amp) , Longing for aluminum die casting (ADC)and vacuum tubes, Alloy casting (a3003p-h12) lightweight, durable, high cost performance products. 
This is a most important point cannot be ignored in a surround system specializes in sound-based wafer cone. Deepens by covering a wide range and expressive play. Also known (a.k.a) as home theater and also referred.

^ HomeTheater/Home_Theater
^ MultimediaSpeakers