Communication device and a casing therefor

A casing for a device, comprising:

• a back side and a casing opening in the back side;
• and
• a cover shaped to mate with and to cover the casing opening, the cover having:
• a speaker opening providing an air channel for a speaker mounted inside the casing and in communication with the casing opening;
• and
• a first nub and a second nub both protruding from the cover and both located about the speaker opening in a symmetrical pattern,
• wherein
• when the device is placed on a flat surface with the back side of the casing facing the flat surface, the first and second nubs cause the back side of the casing to be canted from the flat surface to expose the speaker opening to ambient air.

A device comprising:

• a casing for the 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 having:
• a speaker opening comprising a lateral slot and providing an air channel for the speaker;
• and
• a first nub and a second nub both protruding from the cover and both located about the speaker opening in a symmetrical pattern,
• wherein
• when the device is placed on a flat surface with the back side of the casing facing the flat surface, the first and second nubs cause the back side of the casing to be canted from the flat surface to expose the speaker opening to ambient air.