There is disclosed a portable sound equipment comprising a support body formed in a gentle curve; electronic bodies provided in both ends of the support body, respectively, and exhaustible from the support body and rotatable to be folded or unfolded in an exhausted state; and a hinge unit configured to provide a shaft for the rotation, wherein the hinge unit comprises a connection portion projected from one end of the support body; a hinge rotatably coupled to the connection portion; a cylinder connected to the hinge and loaded in the electronic body; and a hinge spring having one end fixed to the cylinder and the other end supporting the electronic body to generate a restoring force which makes the exhausted electronic bodies become drawn into the support body, and when the electronic bodies are drawn into the support body is caught in the connection portion with respect to the rotational direction.