A hearing protection system comprising a hearing protection device and a communication device is disclosed, the hearing protection device comprising a first connector； a first ear protector comprising a first sound attenuation body, a first primary microphone, and a first receiver, wherein the first primary microphone and the first receiver are electrically connected to a first primary terminal and a first receiver terminal of the first connector, respectively, and wherein the first sound attenuation body is configured to cover an outer ear of a user； and a second ear protector comprising a second sound attenuation body, a second primary microphone, and a second receiver, wherein the second primary microphone and the second receiver are electrically connected to a second primary terminal and a second receiver terminal of the first connector, respectively, and wherein the second sound attenuation body is configured to cover an outer ear of a user.
