A voice recording/playback apparatus includes a head unit which records a voice signal in a recording medium and for playing back a recorded voice signal from the recording medium. A playback head amplifier unit amplifies a playback signal output from the head unit. A voice output unit outputs a voice in accordance with the playback signal amplified by the playback head amplifier unit. A muting switch is provided between the playback head amplifier unit and the voice output unit. The muting switch cuts off a connection between the playback head amplifier unit and the voice output unit when a voice recording mode is performed by the head unit.