OSD Audio  |  SKU: ACE840

OSD Audio ACE840 8" Ceiling Speakers (Pair)

£215.00 £225.00

Includes 1 Year Warranty + 60 Day Returns

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If you believe that speakers should be heard and not seen, then the ACE (Architectural Ceiling Element) series in-ceiling speakers are the perfect choice for you!

Combining elegance, style, and superb audio performance, the ACE840 in-ceiling speaker features a discreet, modern design that interior decorators love.

These top-quality in-ceiling speakers deliver powerful audio performance, ensuring they sound as good as they look.

With a power handling of 150W, the ACE840 can fill even large spaces with beautiful sound.

The 8" fibre glass woofer and 1" pivoting titanium dome tweeter enhance sound quality, while the nearly invisible micro-flange grille (0.15") gives these speakers a sleek, clean appearance.

Ideal for home theatre and media rooms, the ACE840 also allows you to adjust the bass and treble to suit your personal taste.


  • Elegant Design: Discreet, modern design with a nearly invisible micro-flange grille (0.15") that blends seamlessly with any ceiling.
  • High-Quality Audio Components: Features an 8" fibre glass woofer with rubber butyl surround and a 1" pivoting titanium dome tweeter for enhanced sound clarity and performance.
  • Wide Frequency Response: Enjoy a broad frequency range from 35Hz to 20kHz, capturing every detail of your audio.
  • Robust Power Handling: Handles up to 150W, ensuring powerful and consistent audio performance in large spaces.
  • High Sensitivity: At 88 dB, the speaker efficiently converts power to clear and powerful sound.
  • 8 Ohms Impedance: Compatible with a variety of amplifiers and audio systems.
  • Customisable Sound: Allows you to adjust bass and treble to match your personal audio preferences.
  • Aesthetic and Functional Design: Comes with a spray-paintable magnetic grille that maintains a clean and unobtrusive look.
  • Easy Installation: Equipped with gold-plated 5-way binding posts and dog ear installation brackets for a straightforward setup. Compatible with new construction brackets.
  • Compact Dimensions: Measuring 10.79" in diameter and 4.41" in depth, with a cutout diameter of 9.37", the speaker fits discreetly into your ceiling.
  • Sold as a Pair: Perfect for stereo setups or home theatre systems.
  • 10-Year Warranty: Enjoy peace of mind with a 10-year warranty, guaranteeing long-lasting quality and performance.

Elevate your audio experience with the ACE840 In-Ceiling Speaker, delivering high-quality sound in a sleek and elegant design.

Key Features

  • Placement
    In Ceiling
  • Cut-Out Diameter
    238 mm
  • Mounting Depth
    112 mm
  • Power Handling
    150 Ws
  • Impedance
    8 Ohms
  • Driver Size
  • Sensitivity
    88 dB
  • Frequency Response
    35Hz - 20kHz
  • Warranty
    1 Year


    • Speaker Type: 8" High Definition Trimless Ceiling Speakers
    • Woofer: 8" Fiber Glass with Rubber Butyl Surround 
    • Tweeter: 1" Pivoting Titanium Dome
    • Frequency Response: 35Hz - 20kHz
    • Power Handling: 150W
    • Sensitivity: 88 dB
    • Impedance: 8 Ohms
    • Spray Paintable Magnetic Grille Included
    • Inputs: Gold-plated 5-way Binding Posts
    • Install-friendly Dog Ear Installation Brackets
    • See New Construction Brackets For Compatibility
    • Diameter & Depth: 10.79" x 4.41"
    • Cutout Diameter: 9.37"
    • Sold As: Pair
    • Warranty: 10 Years

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Authorised Dealer

K&B Audio are authorised dealers for OSD Audio. All sales come with a 1 Year manufacturers warranty and full technical support.

OSD Audio ACE840 8" Ceiling Speakers (Pair) - K&B Audio
OSD Audio

OSD Audio ACE840 8" Ceiling Speakers (Pair)

£215.00 £225.00









Drive Type




Noise Cancelling




Music Sources






TV Connection


Smart Features


Cut-Out Diameter

238 mm

Mounting Depth

112 mm

Power Handling

150 Ws


8 Ohms

Driver Size



88 dB

Frequency Response

35Hz - 20kHz




1 Year
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