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Acoustech AU820 - 8" Three Way Ceiling Speaker

Acoustech AU820 - 8" Three Way Ceiling Speaker

3-Way 8” In-Ceiling Speaker with 2 x 1” Tetoron Graphene Tweeter - 150W


MSRP: $300/Each


The Epitome of Audio Excellence


Introducing the Acoustech AU820, the flagship of our in-ceiling speaker range. As the 8-inch version of the AU620, the AU820 represents the pinnacle of audio engineering, offering an unparalleled listening experience. Designed for those who accept nothing but the best, the AU820 is the perfect fusion of advanced technology and sophisticated design.


Key Features:

  • Expansive Frequency Response: With a frequency range of 50Hz-20KHz, the AU820 delivers an exceptionally broad spectrum of sound, capturing every detail from the deepest bass to the highest treble.
  • Powerful and Versatile: Suitable for amplifiers ranging from 10 to 150 watts, these speakers are capable of handling a wide range of audio dynamics, ensuring a powerful and engaging sound in any setting.
  • Dual Coil Woofer and Dual Tweeters: The dual coil 8” PP cone woofer and two 1” Tetoron + Graphene tweeters provide a rich, layered, and detailed audio experience. The dual components ensure a sound that is both expansive and precise.
  • Dipole/Bipole Switching: Unique to the AU820, the Dipole/Bipole feature allows for a customizable sound field, perfect for achieving the most immersive surround sound experience in your home theater.
  • High Sensitivity: With a sensitivity of 91dB, the AU820 efficiently produces a loud and clear sound, ensuring an immersive listening experience that fills your room.
  • Elegant and Discreet Design: The AU820 is designed to blend seamlessly into your ceiling, with an 11 ¼” diameter and a required cut-out of 9 ⅝” dia., making it an elegant addition to any room.
  • Easy Installation: The speakers are designed for straightforward installation, fitting comfortably in most ceiling spaces.




  • Frequency Response: 50Hz-20KHz
  • Amplifier Power: 10-150 watts
  • Sensitivity: 91dB
  • Woofer: Dual coil 8” PP cone
  • Tweeter: Two 1” Tetoron + Graphene
  • Crossover Type: 12dB per octave
  • Impedance: 8 ohms/input
  • Dimensions: 11 ¼” dia.
  • Required Cut-Out: 9 ⅝” dia.
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