Note: some boxes water damaged
From mfg website
Tamper & Vandal Resistant Flush Mount Speaker
Product Description
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