By the way, as someone that works with fiberglass and other man made vitreous fibers for a living, head over to lowe's or home depot, pick up a tyvek coverall suit (don't worry about the respirator unless you are doing like 10 of them, it won't effect you if you follow my instructions) and a set of latex gloves and a spray mister (like a glass cleaner sprayer). Get dressed in the Tyveks and gloves, carefully take out the speaker and other electrical components. Use a razor knife and cut the fiberglass out (don't yank and tear in other words), spray the fiberglass lightly with water with a small amount of windex or dish soap. Don't saturate it, just mist it lightly - that will keep 98 percent of the stray fibers from flying away. Put said glass in a plastic garbage bag, when you are done with all the glass, use a zip tie to seal the bag. If you remove the glass like this you should have no issues with any itching, this is how we remove MMVF in buildings, remodels, etc.