The sound collecting device of the present invention comprises: a sound collecting main unit collecting a target sound from the sounds generated from the surroundings or a target voice from voices, filtering the target sound or the target voice, and amplifying and transmitting the filtered target sound or target voice； and a sound collecting output unit physically separated from the sound collecting main unit and outputting the target sound or the target voice transmitted from the sound collecting main unit. The sound collecting main unit comprises: a sound collecting control unit embedded in the sound collecting main unit to control the sound collecting main unit； a microphone unit disposed on the outer surface of the sound collecting main unit, collecting a target sound or a target voice under the control of the sound collecting control unit, and processing the target sound or the target voice； a first communication unit embedded in the sound collecting main unit and transmitting the target sound or the target voice processed under the control of the sound collecting control unit to the sound collecting output unit； a storage unit embedded in the sound collecting main unit and storing the target sound or the target voice processed under the control of the sound collecting control unit； a display unit disposed on an outer surface of the sound collecting main unit and displaying a frequency for the target sound or the target voice processed under the control of the sound collecting control unit, the distance between the sound collecting main unit and the sound collecting output unit, or the state of the sound collecting main unit； and a power supply unit embedded in the sound collecting main unit and supplying power to the sound collecting control unit, the microphone unit, the first communication unit, the storage unit, and the display unit. The present invention can output clear target sound or target voice through a sound collecting output unit.COPYRIGHT KIPO 202
