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    SKU: ACE870

    OSD ACE8708" Angled Trimless LCR In-Ceiling Speaker, 1" Pivoting Tweeter Dolby Atmos Ready (Single)

    Purchase ACE870 8" Angled Trimless LCR In Ceiling Speaker, 1" Pivoting Tweeter Dolby Atmos® Ready, Single
    • Outdoor Speaker Depot SKU: ACE870 trimless-ceiling-speaker-ace950
    • In Stock


      Compare at: $230.99
      You Save: $76.86

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    In addition to crisp, detailed mid and high frequencies, this single in-ceiling speaker kicks out impressive bass due in part to the 8” carbon fiber composite woofer and heavy-duty and efficient magnet structure that focuses energy within the voice coil gap. Other Audiophile features designed into the ACE870 include front-mounted contour switch as well as butyl rubber surround that gives the speaker more excursion capability for deeper bass and wider frequency response. The ACE870 installs easily into ceilings with four easy-to-lock-in dog-eared brackets and includes a cut-out mounting template.

    Why Go Trimless?

    It's really a matter of aesthetic preference. These flush-mounted speakers are hardly noticeable; that is until they're playing. Our Architectural Ceiling Element (ACE) Trimless speakers do not include the 3/4-inch trim you typically see around in-wall and ceiling speakers. The micro flange grilles are attached by extremely powerful magnets that stay put for quick and easy installation. Adds less visual impact on your architectural audio installation.

    What are the Benefits of an Angled In-Ceiling Speaker?

    The angled speaker is a real problem solver because not every space is ideal for custom home theater sound applications. The angled in-ceiling speaker features a 15° angle for the mid-bass driver plus a pivoting tweeter for placement flexibility. This speaker can be part of a three-piece set to handle the front stage of the surround system when both on-wall and in-wall are not a favorable option. The angled design allows the ideal placement in the ceiling closer to the wall just above the monitor. This creates a more realistic sound image when compared to normal in-ceiling speakers that are mounted closer to directly above the viewing area. Standard in-ceiling speakers are generally placed at least three feet from the wall to avoid reflective sound. The angle speaker can be placed within a foot of the wall

    What Type of Speaker Wire and What Gauge?

    Wiring is not included with in-ceiling speakers so you will have to purchase some. We recommend our OSD Audio CL3/FT4 cable that is UL (fire) rated for in-wall and outdoor speaker installs. This type of cable includes a heavy-duty outer jacket approved for in-wall/in-ceiling installation. The high-quality plastic jacket is also very flexible so it's easy to run the wires inside the wall. As for the gauge, for runs up to 100 feet for background music, 16-gauge will be fine. If the run is approaching or exceeding 100 feet, we suggest 14-gauge wire.

    What Is Butyl Rubber Surround?

    With almost double the shelf life of foam, butyl rubber has been the choice of speaker designers looking to optimize the sound based upon materials that go together. The Surround is just one of the integral parts of the speaker's motor structure. Butyl Rubber gives the speaker more excursion capability featuring a deeper bass with wider frequency response, and its shelf life is closer to 25 years compared to the foam at 12 to 15 years.
    Warning: California's Proposition 65


    This product can expose you to chemicals, including vinyl chloride, which is known to the State of California to cause cancer. For more information, go to

    • Speaker Type: 8" Angled LCR 2-Way Trimless Ceiling Speaker
    • Woofer: 8" Carbon Fiber Composite Cone
    • Tweeter: 1" Pivoting Titanium Dome
    • Frequency Response: 35Hz- 20kH
    • Power Handling: 175W
    • Sensitivity: 88 dB 1w/1m
    • Impedance: 8 Ohms
    • Dolby Atmos® - Ready for True 3D Surround Sound
    • Includes Front-Mounted Contour Switch
    • Angled Design Allows Ideal Placement Closer to the Wall
    • Spray Paintable Magnetic Grille Included
    • Inputs: Gold-plated 5-way Binding Posts
    • Install-friendly Dog Ear Installation Brackets
    • Diameter & Depth: 11.5" x 5.37"
    • Cutout Diameter: 9.87"
    • Sold As: Single
    • Warranty: 10 Years
    15 Questions asked
    Have a Questions?

    What's on your mind?

    danny • 12/17/2019, 2:17:43 PM any suggestions for a center chanell,ceiling mount speacker
    Customer Service • 12/17/2019, 2:17:43 PM
    Danny, At this time we currently don't have an in ceiling center channel. Sometimes its great to do 3 angled for your front and a regular pair for your rear like 3-ICE870's and 1-ICE850 but -in that 9", in the trim less we do not have a matching in ceiling center channel or angled speaker. CL
    DANNY • 12/17/2019, 2:17:43 PM HOW IS THE SOUND QUALITY ON THE ACE 950
    Customer Service • 12/17/2019, 2:17:43 PM
    Danny, Excellent clear, crisp sound quality with the Kevlar material making up the ACE950. This 9" speaker will not let you down when it comes to bass response either. Defiantly a great choice for serious home theater systems with its trim less design! CL
    David • 12/17/2019, 2:17:43 PM I'd like to build a back box in the ceiling for the ACE950 speaker. What size box should be built for the ACE950? Thanks.
    Customer Service • 12/17/2019, 2:17:43 PM
    Hi David, A back box is always a good way to go if you have accessibility and the room for a box. These speakers are designed to work in a wide range of enclosures so it is not critical to have a dedicated enclosure size. So your enclosure size should be roughly double the size of the speaker box it came in. Again you are at the mercy of the ceiling you are installing these in as far as space available. You also might want to pickup some fiber fill (material used for pillows) and use this to tune the speaker once you have built your enclosure. The more fiber fill you add, the more you "fool" the speaker into thinking the enclosure is larger. I hope that helps, feel free to call us for further clarification. There is plenty of information on Google for building enclosures (YouTube as well). Good luck TL/MA - 1545
    eric • 12/17/2019, 2:17:43 PM Cut out dimensions conflict with technical data sheet with all the ACE speakers...package box says 9.5" too. online info: Dimensions:(D x H) 10 3/4 x 5 Ceiling Cut Out: 9.86" which is correct?
    Customer Service • 12/17/2019, 2:17:43 PM
    Hi Eric, My apologies for the confusion. Thank you for bringing this to our attention. The correct cutout for the ACE950 is 9.5" inches. We will correct the specs now. CL/MA 1703
    Jack • 12/17/2019, 2:17:43 PM I have 7.1 system and wanted to use these all around due to the lack of good wall locations. Can I use one of these for the center, or is there a better option?
    Customer Service • 12/17/2019, 2:17:43 PM
    HI Jack: These are an excellent choice. The angled speaker was first created as an LCR front stage solution. But the angled speaker provides more flexibility for ceiling placement for Rear Surrounds, Center Surrounds and Atmos/DTS:X Speakers. The key to any in-ceiling speaker setup for Home Theater is to have the ability of aiming the tweeter directly at the optimum viewing/listening area. The 15 degrees of the mid woofer plus the 5 degrees for the pivoting Tweeter providing 20 degrees total.These new top of the line ACE-870 feature the same Kevlar cone and metal dome tweeter as our MK series with the new perfect edge Trim-less grill design (held on by multiple extra strength magnets). And yes one of the speakers will work fine as your center channel. TL/3886