Abstract: A waterproof speaker includes a speaker module and an elastic cover. The speaker module includes a sound generation unit, a control unit and a housing. The control unit is for controlling the sound generation unit to generate sound. The housing is for accommodating the sound generation unit and the control unit. The housing includes a sound emitting area formed with a plurality of through holes corresponding to the sound generation unit. The elastic cover includes a first part for covering outer surfaces of the housing other than the sound emitting area, and a second part for attaching the waterproof speaker to an object.