Disclosed is an enclosure for a communication device. The enclosure comprises: a casing for the communication device, the casing having a back side and a casing opening in the back side; a speaker mounted inside the casing and in communication with the casing opening; and a cover shaped to mate with and to cover the casing opening. The cover has: a central portion; a first rail protruding outwardly from a surface of the cover and located in the central portion; a second rail protruding outwardly from the surface and located in the central portion; and a speaker grill having an opening therein providing an air channel for the speaker.