- Bogen 35 watt wall-mounted telephone paging amplifier- Inputs for 600-ohm balanced telephone line, LO-Z balanced microphone, and background music- Integral automatic level control circuit for controlling pages made by persons with varying voice levels and paging techniques- Page from telephone and/or microphone- Signal-activated paging channel automatically mutes background music- Adjustable background music muting level during a page- Music gradually returns to its normal level after a page- Aphex Aural Exciter increases intelligibility, improves perceived loudness (with no increase in power), and reduces listener fatigue- Seperate controls for page volume, music volume, night ringer, music mute and Aphex Aural Exciter- Bass and treble controls- Built-in night ringer activated by contact closure or by 90V ring signal- Balanced or unbalanced 16-ohm, 25V, 25VCT, and 70V outputs- VOX sensitivity level control eliminates transmission of background noise when paging from a telephone- Thermal and electronic overload protection- Jacks provided for bridging additional TPU amplifiers- Brackets are attached for easy wall mounting- Peak level indicator lights when amplifier is driven into clipping- 120V AC, 60Hz power source- UL and CSA listedBGTPU35B