Trim ring is cast from aluminum alloy with a tensile strength of 44,000 P.S.I. and features a 3/4" shielding collar to protect the loudspeaker from bashing.
The loudspeaker securely mounts to welded studs behind a perforated 22-gauge CRS plate which is then protected by a stainless steel-woven wire-mesh screen positioned 3/8" in front of the plate for direct impact protection. The mesh screen is reinforced by a thick bead of sealant on the inside to protect it against tearing or bending. Rugged unit installs via tamperproof heat-treated alloy screws (special wrench supplied) to specified enclosures. Mounting holes are countersunk for added security.
Finish is satin aluminum with an acrylic coating.