OSD Audio  |  SKU: ACE840TT

OSD Audio ACE840TT 8" Stereo Ceiling Speaker (Each)

£89.00 £99.00

Includes 1 Year Warranty + 60 Day Returns

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Introducing the ACE840TT Ceiling Speaker, the advanced version of our popular ACE640TT.

This speaker offers excellent stereo sound while occupying half the space of a standard speaker pair. Ideal for whole-house audio applications, the ACE840TT delivers smooth, 2-channel sound and is perfect for rooms with limited space.

Designed to handle both right (+/-) and left (+/-) stereo signals, it provides robust audio performance with enhanced bass response and a wider range compared to the 6.5" version.


  • Space-Saving Stereo Sound: Combines stereo sound into a single speaker, making it ideal for rooms with limited space.
  • Enhanced Audio Performance: Features an 8" fibre glass cone woofer and dual 0.5" titanium-coated dome tweeters for superior sound clarity and deeper bass response.
  • Wide Frequency Response: Covers a broad frequency range from 38Hz to 20kHz, ensuring detailed and rich audio.
  • Robust Power Handling: Capable of handling up to 120W, delivering powerful and consistent sound performance.
  • High Sensitivity: With a sensitivity of 88 dB 1w/1m, the speaker efficiently produces clear and powerful sound.
  • 8 Ohms Impedance: Compatible with a wide range of amplifiers and audio systems.
  • Dual Voice Coil (DVC): Provides true stereo sound from a single speaker, with separate inputs for left and right channels.
  • Aesthetic Design: Includes a spray-paintable magnetic grille that seamlessly integrates with any ceiling for a clean, modern look.
  • Easy Installation: Features spring-loaded binding posts and dog ear installation brackets for quick and easy setup.
  • Compact Dimensions: Measuring 10.79" in diameter and 4.02" in depth, with a cutout diameter of 9.37", this speaker fits discreetly into your ceiling.
  • Sold as a Single Unit: Designed to deliver stereo sound from one speaker, sold individually.
  • 10-Year Warranty: Enjoy peace of mind with a 10-year warranty, ensuring long-lasting quality and performance.

Enhance your home audio experience with the ACE840TT Ceiling Speaker, offering exceptional stereo sound in a compact, unobtrusive design.

Key Features

  • Placement
    In Ceiling
  • Cut-Out Diameter
    238 mm
  • Mounting Depth
    102 mm
  • Power Handling
    120 Ws
  • Impedance
    8 Ohms
  • Driver Size
  • Sensitivity
    88 dB
  • Frequency Response
    38Hz - 20kHz
  • Warranty
    1 Year


    • Speaker Type: 8" Dual Tweeter Trimless Ceiling Speaker
    • Woofer: 8" Fiber Glass Cone
    • Tweeter: Dual .5" Titanium Coated Dome
    • Frequency Response: 38Hz - 20kHz
    • Power Handling: 120W
    • Sensitivity: 88 dB 1w/1m
    • Impedance: 8 Ohms
    • Dual Voice Coil (DVC) Provides Stereo Sound Within One Speaker
    • Spray Paintable Magnetic Grille Included
    • Inputs: Spring Loaded Binding Posts
    • Install-friendly Dog Ear Installation Brackets
    • Diameter & Depth: 10.79" x 4.02"
    • Cutout Diameter: 9.37"
    • Sold As: Single
    • 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 ACE840TT 8" Stereo Ceiling Speaker (Each) - K&B Audio
OSD Audio

OSD Audio ACE840TT 8" Stereo Ceiling Speaker (Each)

£89.00 £99.00









Drive Type




Noise Cancelling




Music Sources






TV Connection


Smart Features


Cut-Out Diameter

238 mm

Mounting Depth

102 mm

Power Handling

120 Ws


8 Ohms

Driver Size



88 dB

Frequency Response

38Hz - 20kHz




1 Year
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