Viking SA-1S SA-Series Remote Controlled Self-Amplified Ceiling SpeakerSA Series Remote Controlled Self Amplified Ceiling Speaker is an 8 inch paging speaker that has a built in 1. 5 watt power amplifier and is controlled by an infrared remote control. Features: 8 inch paging speaker Built in 1. 5 watt power amplifier Infrared remote control detector Digital volume control Off white grill Flush mount Users set their own volume levels to suit the noise levels in room Allows user to mute all background music and pages,

Non-volatile memory

Powerful transmission range: Up to 2000 meters in open space

phone numbers and access codes

Viking D56 vandal-resistant directories are an easily installed

Dimensions: 4' x 5

Ring Voltage: 25VRMS minimum

relays and paging cards

Call waiting tones indicate which doorbox is calling and distinguish a doorbox call from a C

adjustable

Use multiple units to drive more self amplified speakers

Provides ring back signal to calling device

DPDT normally open and normally closed VOX activated contacts for cutting out background music