Atlas Sound VT-152UCN
Compression Driver,VT T2/15W


Through proven performance, patented VT Series fire protective signaling loudspeakers have earned worldwide acclaim for service reliability. Inside every VT loudspeaker 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 supervised speaker lines, and speaker wiring terminates on a barrier strip. Optional mounting accessories are offered including: indoor and outdoor enclosures, a bi-directional housing, adapter plates and rings.


  • Neutral Gray Finish
  • Durable, die-cast, water-sealed housings withstand vandalism, vermin, moisture, corrosion, and vibration
  • Ideal for reliable Voice/Tone signaling in public area emergency communications and heavy-duty industrial applications
  • Patented emergency loudspeakers available in 25V or 70V versions
  • Surface-mountable
  • Units meet or exceed UL Standard 1480 for Fire Protective Signaling Systems when used with compatible control equipment
  • VT Series loudspeakers produce high level output, optimum intelligibility, and wide dispersion


  • Height: 4 1/4" (10.795 cm)
  • Width: 4 1/4" (10.795 cm)
  • Depth: 3 1/8" (7.9375 cm)
  • Shipping Weight: 3.60 lbs (1.63 kgs)
  • Frequency Response: 600 Hz - 5500 Hz (± 5dB)
  • Power Taps: 15, 8, 4, 2
  • Dispersion: > 190° (- 6dB pt., 1 and 2 kHz octave bands)
  • Sensitivity: 96.9dB (1 watt, 1 meter)
  • Transformer: 25 V
  • UL Listed/Standard: 1480

WARNING: Cancer and Reproductive Harm -

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