Abstract: A bracket for use in mounting an item (such as a loudspeaker) in an aperture in a wall or ceiling panel. The bracket is foldable between a folded condition, in which it can be inserted into the aperture from one side, and an open condition in which, in use, the bracket engages the panel so as to prevent removal of the bracket. When in its open condition, the bracket has receiving structure for receiving said item.

Abstract: A bracket for use in mounting a loudspeaker in a wall or ceiling, the bracket comprising a ridge for defining at least part of the perimeter of the aperture in the finished wall or ceiling; an abutment, such as shoulders, for limiting the distance by which the loudspeaker can be inserted into the aperture in a wall or ceiling panel; and a retainer for cooperating with one or more fasteners to retain the loudspeaker in position with respect to the bracket.

Abstract: A clamping assembly (4) realisably clamps a component, such as a loudspeaker (1) in an aperture (2) in a panel such as a ceiling panel (3). The clamping assembly (4) has a guide (5) for attachment to the component, and a clamping member (13; 13a; 113) slideable within the guide. Rotation of a threaded member (23) causes sliding movement of the clamping member (13; 13a; 113) relative to the guide (5) either in a first direction for clamping the component to the panel or in a second direction for releasing the component from the panel. The guide and the clamping member are co-operatively shaped so that movement of the clamping member in the first direction to achieve clamping rotates the clamping member with respect to the guide from a non-clamping position to a clamping position and movement of the clamping member in the second direction to achieve release rotates the clamping member with respect to the guide from the clamping position to the non-clamping position.