About product and suppliers:
            1,505 free sound piece products are offered for sale by suppliers on Alibaba.com, of which earphone & headphone accounts for 6%, speaker accounts for 1%, and acoustic components accounts for 1%. 

A wide variety of free sound piece options are available to you, such as home theatre, computer, and portable audio player. You can also choose from 5w, 3w free sound piece, as well as from 2 (2.0), 4 free sound piece, and whether free sound piece is active, or passive. 

There are 704 suppliers who sells free sound piece on Alibaba.com, mainly located in Asia. The top countries of suppliers are United States, China, and India, from which the percentage of free sound piece supply is 1%, 98%, and 1% respectively.