Valcom Desk Speaker, V-763, is self-amplified and may be used to provide paging from any one-way or talkback page control. The volume may be adjusted with the knob on the front of the housing.
Valcom V-763-BK Desktop-Wall One-Way Speaker with Volume Control, Black:Self-StandingTalkback Desktop/Wall Speaker can be Mounted on a Flat Surface as a Mini-SpeakerOff-Hook Voice Announce with Handsfree ReplyBlack