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SKU: KIT-MK640-5PK 6.5" 150W In-Ceiling Speaker W/ Pivoting Tweeter & Contour Switches, MK640 - 5 Pack


Purchase 6.5" 150W In-Ceiling Speaker W/ Pivoting Tweeter & Contour Switches, MK640 - 5 Pack
  • SKU: KIT-MK640-5PK

    6.5" 150W In-Ceiling Speaker W/ Pivoting Tweeter & Contour Switches, MK640 - 5 Pack

  • $331.99

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With its pivoting titanium dome tweeter and 6.5 inch polypropylene cone woofer, the MK640 are superb in-ceiling speakers for home theaters or for listening to your favorite tunes. With power handling up to 150W, the MK640 also includes contour switches that let you tailor frequency response to your room arrangement, so you won't find yourself straining for more or less treble, midrange or bass output just because you don't sit in the "sweet spot." These elegant, flush-mount speakers are ideal for new construction and can be painted to match any décor. New construction brackets are available, and OSD speakers include convenient dog-ear brackets for retrofit applications. We have put together this 5 pack which allows you to add these great speakers all around without breaking the bank.

Tailored Sound 
Contour switches on this OSD model allows you tailor frequency response to your particular room arrangement. You won't find yourself wishing for more or less treble, midrange or bass output from one speaker just because you don't happen to sit right between them. 

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

Warning: This product can expose you to chemicals including Di(2-ethylhexyl)phthalate (DEHP) which is known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov

  • Speaker Type: 6.5" Flush-Mount Ceiling Speakers with Contour Switches
  • Woofer: 6.5” Polypropylene Cone
  • Tweeter: 1" Pivoting Titanium Dome
  • Frequency Response: 32Hz - 22kHz
  • Power Handling: 150W
  • Sensitivity: 92 dB
  • Impedance: 8 Ohms
  • Contour Switches: ±3dB Bass and ±3dB Treble
  • Spray Paintable Magnetic Grille Included
  • Inputs: Spring Loaded Binding Posts
  • Install-friendly Dog Ear Installation Brackets
  • See New Construction Brackets For Compatibility
  • Diameter & Depth: 9.12" x 3.87"
  • Cutout Diameter: 7.87"
  • Sold As: 5 pack - 5 single speakers
  • Warranty: 10 Years

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