A sound device includes a transducer including a diaphragm; a nozzle spaced apart from the diaphragm; a holder positioned between the diaphragm and the nozzle, and coupled to the transducer; and a microphone coupled to the holder, and positioned inside the nozzle, wherein the holder may include: a bottom plate facing the diaphragm, and spaced apart from the diaphragm, the bottom plate having a hole facing the diaphragm; and a side wall extending along a rim of the bottom plate, and coupled to the transducer.