Synergy 5221 - 07-10 Jeep JK 2/4 Door Front Cage Kit - Manual (Page 17)

29. Remove the speaker from the driver’s side. There are 2 outer 7mm bolts and one
10mm on the inner underside of the dash which secure the speaker pod to the dash.
Do not forget to disconnect the wiring from the speaker pod.
Remove the speaker by pulling the bottom of the dash out until
there is sufficient clearance to get the speaker pod out.