<p>An omni-directional speaker system comprises a speaker cabinet and at least one speaker unit fixed in the speaker cabinet. To provide an omni-directional speaker system for generating sound waves equally in every direction by 360 DEG which is low in price and satisfies the user demand a first reflecting plate has a hole and is installed in front of the speaker unit for dispersing sound waves transmitted therefrom and a second reflecting plate is dispersed in front of said hole. <IMAGE></p>