Patent ID: 8660286

Claim:
A speaker system, comprising: a case defining a center hole and a body surrounding the center hole, the body including a sidewall defining a first hole; an electroacoustic transducer received in the center hole of the case; a microphone defining an opening hole; the body of the case further defining a bottom extending outwards from the sidewall, the bottom including a second hole; a projecting element extending upwardly from the bottom and opposite to the sidewall; a slot formed between the projecting element and the sidewall for receiving the microphone therein; an inward channel defined in the sidewall for communicating the first hole with the second hole; wherein the opening hole of the microphone faces the inward channel in the sidewall for communicating with the environment air; and a PCB defines a first plate positioned between the microphone and the sidewall and a second plate positioned between the microphone and the bottom, the first plate defining a third hole communicating with the opening hole of the microphone and the first hole.