Bogen Communications, Inc. 35W Telephone Paging Amplifier TPU35B

TPU series wall-mount amplifiers are designed for telephone paging systems. Automatic level control compensates for varying voice levels and signal-activated paging automatically mutes background music. Other features include built-in night ringer, 600 telephone input, lo-z mic input, RCA music in, Aphex Aural Exciter, bass/treble controls, night ringer and more.