The Bogen TPU100B Paging Amplifier features 100 watts of power, is wall mounted and provides inputs for a paging microphone, music source, external telephone ringer, music mute trigger and more. The TPU100B amplifies background music and pages sent via telephone lines in any office setting, retail space, etc. A variable music mute function adjusts the mute level of background music during pages and the on-board Aphex Aural Exciter feature improves tonal quality and enhances intelligibility of the pages. There is an on-board ALC limiting circuit that prevents overload and distortion due to excessive audio peaks. Separate microphone and music volume controls also provide flexible control over the audio mix. 100W amplifier Choice of outputs include 16-ohm, 25VCT, 25V, 70V balanced or unbalanced Choice of inputs include RCA or screw-terminal Music Input, balanced microphone input, music mute trigger, contact ring, telephone ring and ground Flat design for easy wall mounting Comprehensive dial controls on the front panel Music Mute variable level adjustment Aphex Aural Exciter tonal enhancement feature Inputs Screw Terminals: Music Mute, Mic Balanced, GND, TEL, Music In, GND, Contact Ring, Tel Ring RCA: Music and Bridging Outputs Screw Terminals (Removable Panel): 16-ohms, 70V, 25V, 25VCT, COM and GND Maximum Amplifier Power 100W Frequency Response 70Hz to 15kHz +/- 1dB Hum & Noise -70dB (From 20Hz to 20KHz) Distortion Less Than 1% (80Hz to 15kHz) Packaging Info Package Weight 21.0 lb Box Dimensions (LxWxH) 17.0 x 13.0 x 8.0"