The SYSTEM 1VP is a complete, vandal resistant loudspeaker system consisting of an 8C10PAOT - 8Ω O.D. moisture resistant loudspeaker with a 5 oz. magnet and a TBLU - 5W 25/70V transformer mounted on a BS8VP - square, stud mount, vandal resistant, steel baffle with a SE1WVP - square, steel, vandal resistant, surface mount enclosure with four (4) 8-32 threaded inserts and a single 1/2"conduit entrance. Three (3) interwoven, steel security screens are mounted between the faceplate and loudspeaker. Tamper resistant, 8-32 x 1" 'pin-in-torx' hardware included. White powder coat finish.