From the manufacturer's website.
Tamper & Vandal Resistant Flush Mount Speaker
Designed for schools, prisons and industrial use. Heavy 16 GA stainless steel flush mount grille with brushed finish. Angled edges hide wall irregularities, add strength and resist prying. Assembled design 16 Watt continuous duty horn speaker has 1 1/2" coil, phenolic diaphragm compression driver. Painted stainless steel housing into block wall construction. Hidden wiring access via KO's in box sides and back. Includes stainless steel spanner-head tamper proof assembly screws.
Product Technical Specifications
- Stainless steel grille cover
- Tamper proof attaching screw
- Pleasing appearance
- Compression driver
- 16 Watts power
- 25/70 Volt line transformer
- Speech intelligibility
- Protected housing
|416-TF||Grille/speaker assembly and housing. Transformer wiring power taps at 16, 8, 4, and 2 Watts. Grille size 10" square. Housing 8" sq. x 6" deep|