Bogen ADP1 Universal Analog Door Phone Speaker Data Sheet PDF The ADP1 is a convenient remote,weather-resistant, hands-free two-way terminal device for telephone systems. The unit is telephone line powered and includes adjustable microphone and speaker...

Hi-Z, 10k-ohm primary impedance  Lo-Z, 600-ohm secondary impedance, balanced with center tap  Matches high-to-low impedance or low-to-high impedance  Adapts line-level signals to microphone inputs RCA connector for Hi-Z side  Screw...

Control up to 35W of speakers  10-position settings plus "OFF"  Allows local control of a group of speakers, without altering amplifier volume setting  For 25V and 70V systems  4-3/4" W x 4-3/4" H x 3" D

Control up to 10W of speakers 10-position settings plus "OFF"  Allows local control of a group of speakers, without altering amplifier volume setting For 25V and 70V systems 2-7/8" W x 4-5/8" H x 2-1/2" D

Supports weight of speakers installed in suspended ceilings  Use with clamping type ceiling speakers 17" W x 1-1/8" H x 24" D

Protective steel enclosure  Seismic tabs allows suspension of speakers from building's structure  Foam insert improves audio performance  12-1/4" dia. x 4-1/2" D

Tile Bridge is a load-bearing T-bar support designed to sustain the weight of an 8" speaker, grille and protective enclosure in suspended ceiling construction. Distributes weight of speaker and grille onto ceiling grid 23-3/4" W x 3/4" H x 14-1/2"...

Direct replacement can be purchased here   Avaya/Bogen LUADS Universal Analog  Door Phone Speaker The Avaya 408466555 door phone is a hands-free door phone unit that is designed to be housed in a stainless steel faceplate. The phone...