Please login to display your prices

8" In-Ceiling Coaxial Speaker with 8-Watt 70V Transformer


Model C803AT87, A high-quality 16-watt speaker with a factory-installed 70.7V 8W line matching transformer

Model C803AT87 utilizes a post mounted tweeter which adds strength to the assembly and provides an attractive appearance. This coaxial speaker features a 70Hz - 15.5kHz, frequency response and a broad, uniform dispersion pattern of 120°. Such provisions allow for highly intelligible sound reproduction and better distribution for high-quality sound systems.

The C803A combines a full-size 8" (203mm) dia. low-frequency reproducer and a 3" (76mm) high-frequency reproducer. The two sections are coupled via a built-in crossover network. The woofer has a 10 oz. (260g) ceramic magnet; the tweeter has a 2.35 oz. (67g) ceramic magnet and the unit has a peak sensitivity of 98dB (at 1 watt, 1 meter). Model C803A mounts a wide variety of AtlasIED baffles and enclosures, with the optimum sealed enclosure size being .36 cu. ft.


  • Ideal for Multi-Purpose Commercial, Industrial, and Institutional Use
  • Industry Standard 8" (203mm) Coaxial, 16-Watt, Loudspeaker
  • Offers Proven Performance with Wide Frequency Response
  • Post-Mounted Tweeter Adds Strength and a More Attractive Appearance
  • UL Certified, Safety Listed to UL1480A and UL2043


Speaker Type 8" Treated Paper
Sensitivity 98dB (peak), 95dB (avg)
Power Taps 1, 2, 4, & 8 Watts
Frequency Response 70Hz - 15kHz
Dispersion 120°
Depth 2 7/8" (7.3025 cm)
Diameter 8" (20.32 cm)
Shipping Weight 4.33 lbs (1.96 kgs)
Safety Listed 1480, 2043



Manuals & Technical Documents

SpecificationAtlas Audio-C803AT87-Spec Sheet.pdf
Installation GuidesATS004345C-C5A-C10A-C803A-Install-Sheet-RevC.pdf