an audio loudspeaker directional modifiers such as u201c top u201d u201c bottom u201d and the like are oriented to the preferred ceiling installation of the flip dog mountable ceiling speaker enclosure 100 with the diaphragm 136 pointed down from the ceiling those of skill in the art informed by the present disclosure will appreciate that the flip dog mountable ceiling speaker enclosure 100 can also be mounted in walls including slanted walls u201c dog u201d as defined and used herein refers to a securing element such as a clamping element as in the nautical u201c dog down that hatch u201d fig1 is a bottom front perspective view illustrating an exemplary embodiment of a flip dog mountable ceiling speaker enclosure 100 according to a preferred embodiment of the present invention flip dog mountable ceiling speaker enclosure 100 includes a speaker enclosure 102 or u201c can u201d 102 that in this embodiment contains a loudspeaker having a surround 138 diaphragm 136 and dust cap 106 all in an output end of the enclosure 102 in various embodiments speaker enclosure 102 may be sold without a loudspeaker and with various respective internal fittings for a various respective loudspeakers or arrays of loudspeakers speaker enclosure 102 is fixed to an annular support flange 104 that surrounds the output end of speaker enclosure 102 and extends radially outward from the speaker enclosure 102 as shown while the enclosure 102 is illustrated and described as having a circular cross section other cross sectional shapes are within the scope of the invention and so the annular support flange 104 for example may be.