They screw on to a secondary plastic piece that is screwed into the base of the speaker. I do not know if the feet they are showing are both pieces. The best thing to do is call Axiom to verify if it is the whole piece. If not I'm sure they could sell you the full piece.

LFR1100
VP180HP
EP600
M3 In Ceiling x 4
M5OW
M2 - Atmos rears
ADA1500.5
M3 Outdoor Speakers
ADA 1000.8