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SKU: OSD-ICE520 5.25" Contract Series Flush Mount 2-Way In-Ceiling Speaker Pair - ICE520

Purchase 5.25" Contract Series Flush Mount 2-Way In-Ceiling Speaker Pair - ICE520
  • SKU: OSD-ICE520 5-25-inch-in-ceiling-speakers-ice520

    5.25" Contract Series Flush Mount 2-Way In-Ceiling Speaker Pair - ICE520

  • $34.14

    Compare at: $50.99 You Save $16.85

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Lifetime Tech Support


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Our ICE520 5.25 inch ceiling speaker with polypropylene woofer is a real steal, and is a cost effective way for the builder or homeowner to add speakers to every room with a fraction of the cost. The ICE520s are often used in commercial applications where good sound is needed in large areas without a huge cost; however, many of our customers are homeowners who and install the ICE520's in hallways, dinning rooms, garages, etc. Features of the 5.25 inch speakers include polypropylene woofers and pivoting PEI dome tweeter for excellent coverage.

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: 5.25" Flush-Mount Ceiling Speakers
  • Woofer: 5.25" Polypropylene Cone with Rubber Surround
  • Tweeter: 0.5" Pivoting PEI Dome
  • Frequency Response: 65Hz - 22kHz
  • Power Handling: 100W
  • Sensitivity: 88 dB
  • Impedance: 8 Ohms
  • Infinite Baffle Design
  • Spray Paintable Snap-In Grille Included
  • Inputs: Spring Loaded Binding Posts
  • Install-friendly Dog Ear Installation Brackets
  • Diameter & Depth: 7.87" x 2.76"
  • Cutout Diameter: 6.77"
  • Sold As: Pair
  • Warranty: 10 Years
5 Questions asked
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Greg • 12/17/2019, 2:17:43 PM Was wondering if it is possible to add a volume switch to this speaker
Customer Service • 12/17/2019, 2:17:43 PM
Hi Greg: Yes you can use this with a volume control. We would recommend the OSD SVC100 volume control with this model as the optimium choice. TL
diane • 12/17/2019, 2:17:43 PM how much do each speaker weight?, need to know this because would like to install in drop ceiling.
Customer Service • 12/17/2019, 2:17:43 PM
Diane, The boxed pair weighs 5lbs so each speaker weighs under 2.5 lbs. This should be fine in a drop ceiling. CL
Keith • 12/17/2019, 2:17:43 PM Trying to resolve a mounting issue. If I was to remove the ICE520 from it's mounting flange, what would be it's measurements?
Customer Service • 12/17/2019, 2:17:43 PM
HI Keith, Measuring the inside of the speaker driver of the ICE520 ceiling speaker (from screw hole to screw hole), the diameter is 5 3/8ths inches. CL/MA 1609
Steve • 12/17/2019, 2:17:43 PM is this total 5 speakers for this price $49.95
Customer Service • 12/17/2019, 2:17:43 PM
Hi Steve, No - these are 5.25" speakers and they sell as a pair (two speakers) for $49.95
Dave Hope • 12/17/2019, 2:17:43 PM What size hole is needed to install this speaker in drywall ?
Customer Service • 12/17/2019, 2:17:43 PM
Hi Dave:It is referred to as Cut-out Diameter in the Specs: Cut-Out Diameter: 6 5/8"TL/5685