High-Quality Three-Way In-Ceiling Speaker with 7" Driver

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Stacking the woofer behind the driver unit is an innovation so extreme you won't believe the performance that results! Full-size speaker dynamics and a small-diameter cut-out built-in that virtually disappears into your decor. The Vanishing Series puts high performance stealth audio at your fingertips.

  • 7" Dynamic Balance® woofer & 2.5" midrange driver
  • .75" Ring Radiator tweeter
  • Paintable Wafer-thin Sheer Grille™
  • Perfect for Dolby Atmos, DTS:X, Auro 3D, and IMAX Enhanced
  • Timbre matched to Legend, Reserve & LSiM Series

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Audiophile performance, cutting-edge stealth design

Reflective surfaces in rooms can make sound brighter and cause image distortion. Engaging the Vanishing reflective room compensation feature (by selecting the low setting) lowers the tweeter level to compensate for reflective surfaces. Vanishing reflective room compensation is a custom audio control that cuts the level only in the 4-5kHz range, exactly where reflectivity destroys sound quality. Outside this narrow 1kHz band, the tweeter retains its detailed and accurate high frequency response, for no loss of realistic musical details.

Key Technologies

  • Proudly engineered and designed in Baltimore, Maryland, Polk products are crafted to meet high standards of quality, performance, and reliability, ensuring a premium audio experience that is the pinnacle of American Hi-Fi.
  • Polk’s exclusive lightweight Dynamic Balance® Polypropylene Cones deliver spectacular midrange clarity, punchy bass and high efficiency.

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Details & Specifications


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I am setting up a Home Theatre room which is fairly large ( 22 x 17) and was going to use 4 of these in conjunction with 2 of the 265-LS as surrounds, I like to listen to music as well. Are these a good match

Asked by: BD1000
Hello, these would all be a great match for your room. Something to note, to get the best out of this system you will likely want to take a look at your room acoustics. This link will give you a great source of information about room acoustics and what you can look at to improve the sound quality in your room when using these speakers or any speakers in general. I will also include the Dolby speaker setup guides for reference. https://www.dolby.com/about/support/guide/speaker-setup-guides/ https://www.audioholics.com/room-acoustics/listening-room-acoustics
Answered by: Polk Audio
Date published: 2024-01-08

I am finishing my basement and am planning on running 6 of these with the Reserve R350 center channel. Would I gain any performance if I created an enclosure for each speaker? If so, what would be the ideal size?

Asked by: Ham Laker
Hello, It is worth experimenting with. There is a good case to be made it probably being able to provide sonic gains. There are so many variables regarding speaker enclosure affect on performance that the best way to discover one way or another is to try it out. A lot of it depends on what the enclosure is made of, what size you make the enclosure, how solid the joints of the enclosure might be, your room shape and size, where in the room they are mounted, your expectations, and what kind of sound you prefer. This is why it isn't possible to offer a conclusive answer.
Answered by: Polk Audio
Date published: 2023-05-01

Would the 700 LS be a good choice for a LCR ceiling configuration?

Asked by: DJ Jeff
Hello, yes, the Polk Audio 700 LS in-ceiling speakers make for great LCR speakers. With their available dynamic capability, they are right at home for any channel in a Home Theater setup. -Total Frequency Response 32 Hz → 33,000 Hz
Answered by: Polk Audio
Date published: 2023-01-31
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