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    SKU: OSD-ICE640

    OSD ICE6406.5" High Definition Flush Mount 150W In-Ceiling Speaker Pair w/ Pivoting Tweeter

    Purchase 6.5" High Definition Flush Mount 150W In-Ceiling Speaker Pair w/ Pivoting Tweeter - ICE640
    • Outdoor Speaker Depot SKU: OSD-ICE640 pgcesp
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    One of our most popular in-ceiling speakers (just look at the reviews), customers often install our ICE640s in 5.1 or 7.1 home theater rooms, although these speakers are also great for whole house audio. With excellent power handling capability (150W), the ICE640's can produce very smooth bass notes, an even soundstage and realistic sound resolution even at high volumes. Features include a 6'" cone with butyl rubber surround, a 1" titanium pivoting tweeter, and an advanced crossover network for clear dialog. Built from the ground up, OSD products offer the most thought out, totally dialed in sound while providing year after year of sonic excellence!

    Pivoting Titanium Dome Tweeter
    The job of the tweeter is to deliver the higher frequencies of music and soundtracks. The tweeter is also adjustable, meaning it can be aimed toward the listening area. This can make a big difference in sound quality especially for dialog and higher frequencies.

    How Does this Speaker Mount in the Ceiling?
    Customers often ask us if they need special installation mounting brackets on their OSD ceiling speakers. The answer is no and here’s why. All our in-ceiling speakers feature a dog leg (L-shaped) mounting system that is part of the frame. Before you install the speakers, remove the grille and you’ll see several the mounting screws near the front frame. These screws need to be loosened to activate the dog leg clamps. Use a screwdriver to loosen (turn to the left) these screws and the clamp will come loose. When the speaker is in position in the ceiling, tighten (turn to the right) the screw and the speaker will be secured to the ceiling.

    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 a wider frequency response, and its shelf life is closer to 25 years compared to the foam at 12 to 15 years.

    Testing the Sound Quality of In-Ceiling Speakers
    Many customers like to test the sound quality of their new OSD Audio in-ceiling speakers before they install them. Keep in mind, however, that these flush-mount speakers are designed to be used in the wall or ceiling. Uninstalled in-wall/in-ceiling speakers will sound weak and tinny because without the proper enclosure (in this case your house wall) the speaker can’t produce the sound pressure level it needs. If you want to try them out, we recommend mounting the in-ceiling speakers into a box of about 3 cubic ft. or larger; or simply mount them in the ceiling and then listen. This will give you an accurate measure of the sound quality.

    For a retrofit installation, no construction bracket is needed.

    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: 6.5" Flush-Mount High Definition Ceiling Speakers
    • Woofer: 6.5" Fiber Glass Cone
    • Tweeter: 1" Pivoting Titanium Dome
    • Frequency Response: 40Hz - 20kHz
    • Power Handling: 150W
    • Sensitivity: 89 dB
    • Impedance: 8 Ohms
    • Spray Paintable Snap-In Grille Included
    • Inputs: Gold-plated 5-way Binding Posts
    • Install-friendly Dog Ear Installation Brackets
    • See New Construction Brackets For Compatibility
    • Diameter & Depth: 9.06" x 4.33"
    • Cutout Diameter: 7.95"
    • Sold As: Pair
    • Warranty: 10 Years
    17 Questions asked
    Have a Questions?

    What's on your mind?

    Heather • 12/17/2019, 2:17:43 PM it says weather resistant but how resistant are they? could they be installed on the ceiling of my patio?
    Customer Service • 12/17/2019, 2:17:43 PM
    The speaker grille is treated for moisture and will not rust but these speakers are not specifically built for the outdoors. They can be mounted in areas like bathrooms, laundry rooms or covered patios as long as the do not experience a lot of moisture as the butyl rubber surround will degrade over time.
    Carothers • 12/17/2019, 2:17:43 PM I have an 8 inch opening in my ceiling for these speakers, does the trim cover the difference?
    Customer Service • 12/17/2019, 2:17:43 PM
    Yes it does. The unit Dimension are diameter: 9 1/2" Cut-Out Diameter: 7 5/8"
    Charlie • 12/17/2019, 2:17:43 PM Do I need add a wood box to cover the speaker body in the ceiling to make the sound qulaity better?
    Customer Service • 12/17/2019, 2:17:43 PM
    Charlie, These speakers do not require back boxes but those can be beneficial to sound quality. CL
    Ranny • 12/17/2019, 2:17:43 PM Does OSD make a back box for these speakers? If so, how would I get them?
    Customer Service • 12/17/2019, 2:17:43 PM
    Ranny, If you go to our first tab- Category>then in the drop down >Speakers> then In-ceiling Speakers> then Back Boxes. Or you can do a keyword search for BB6 - The Ice640 will work well with the, BB6 ( Back Box 6.5" Ceiling Speaker) CL
    Chad • 12/17/2019, 2:17:43 PM How do I get the speaker grill off?
    Customer Service • 12/17/2019, 2:17:43 PM
    Hi Chad, One way is to hold the speaker with your hands on the opposite sides of the frame. Before it is installed in the ceiling, the frame is flexible enough to work the grill out by twisting your hands back and forth, moving in opposite directions of each other until the grill is slowly worked out. Another way is to turn the speaker over release two of the dog ear clips and slowly push the grill out with the head of the install screws. Option one is better because there is less chance of denting the grill. Good luck. TL/MA TL