AtlasIED VT-152UCN Voice/Tone Surface Mount Compression Driver Speaker with 15W 25V Transformer, Gray HID the doorbox generates a standard

the doorbox generates a standard ring cadence for an adjustable number of rings

Transformer for Step-down or Step-up or Isolation - Step down transformer placed upstream of the UPS to avoid inrush current and saturation eliminating need to oversize transformer

Optional (sold seperately) High Output Back Box available for when sound control

you'll have the option of switching to QTS

churches and synagogues

AtlasIED VT-152UCN Voice/Tone Surface Mount Compression Driver Speaker with 15W 25V Transformer, Gray HID the doorbox generates a standardProduct Overview Through proven performance, patented VT Series fire protective signaling speakers have earned worldwide acclaim for service reliability. Inside every VT speaker is a small compression driver capable of high sound pressure levels, and the die cast, water sealed construction withstands vandalism, vermin, moisture, corrosion, and vibration during indoor or outdoor use. An internal DC blocking capacitor enables the VT to work on