8" Talkback Ceiling Speaker- Valcom 8" talkback ceiling speaker- Exceptional voice and music reproduction- Contains its own built-in amplifier- Flush mounted- 45 ohm speaker-Utilizes standard Cat 3, Cat 5, or Cat 6 cable- Used with talkback page controls- Sturdy steel grille- White epoxy finish- VALCOM POWER UNITS (0) ACCESSORIES:- VC-V-9914M-5: support bridge- VC-V-9915M-5: backbox- VC-V-9916M: bridge and backbox combinationVCV1060A