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Polk Audio In Ceiling Speakers

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Polk 900LS Ceiling Loudspeaker

Model #: Polk 900LS Ceiling Loudspeaker
UPC #: 747192120818


Vanishing SeriesPractically Invisible In-Ceiling & In-Wall Loudspeakers. The new Vanishing Series speakers do just as their name implies: they almost completely disappear, leaving only you and the high performance audio you want, and never interfering with your room design. Use the Vanishing Series loudspeakers to complete a system of traditional loudspeakers (by adding inconspicuous surround channels). Use them all around to design a complete, practically invisible sound system. Use Vanishing loudspeakers to unobtrusively bring music to every room or area of your house.
And because we know that all rooms are different, we’ve included superior audiophile sound customization features so you can easily optimize your Vanishing Series speakers to any installation location. Not only can you aim Vanishing Series tweeters to insure superior off-axis imaging, but you can use the reflective room (tweeter) compensation switch to compensate for reflective rooms, and the wall distance setting toggle to optimize for placement close to walls or corners. Installing virtually-flush in- ceiling & in-wall speakers has never been easier, whether you’re a pro or a confident DIY-er. In existing walls, take advantage of one-cut drop-in installation and the security of our rotating cam stabilizing system. Our precision-engineered design lets you get professional results with no drywall repair.

Audiophile Performance
Cutting-edge Stealth DesignMount your woofer behind your main driver array, and suddenly you're able to extend a speaker's dynamic range into previously unexplored areas! Especially for a built-in in-ceiling speaker. The 900-LS delivers surprisingly broad coverage and bold, full-range audio performance. Big enough to use as stealth mains, stealthy enough to use as hidden surrounds or alternate- zone speakers.

900-LS Features:
• The full-range 3- way driver array means you get full-size speaker performance in a built-in!
• Extra deep well design with a Cassini oval woofer mounted above and behind the main driver & tweeter array, for broad coverage and dynamic full-range audio performance in a small diameter built- in.
• Vanishing Series built-in speakers feature our exclusive wafer-thin Sheer-Grille, a magnetically-secured grille that protrudes only 7mm from its surroundings. Sheer- Grilles have nearly transparent, ultra- small perfs, and are acoustically inert, for dynamic, unimpeded sound and more uniform coverage, even in larger rooms.
• Painted to match your dιcor, Vanishing Series built-in speakers are virtually indistinguishable from their surroundings.
• Enhanced, reengineered ring radiator tweeters extend top-end response for incredible details and realistic imaging.
• 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.
• Vanishing Series LS speakers are timbre-matched to Polk LSi speakers to insure utterly seamless blending from speaker to speaker in systems that combine traditional and built- in speakers.
• If positioning limitations demand that your loudspeakers be installed closer than 2 feet from side walls, the proximity of the surface can result in a response bump between 50 and 200Hz. This can create boomy sound. The Vanishing wall distance toggle switch is a custom audio control that adjusts the crossover to flatten response and tune out boominess, without sacrificing deep bass response, for more lifelike sound and more flexible placement.
• Dual bandpass bass ports are highly efficient in small enclosures, and smoothly funnels the angled woofer's low frequencies down around the driver array, eliminating "chuffing," so your small, practically invisible in-ceiling speakers achieve superior full- range blending and broad coverage with surprisingly deep bass.
• Easy one-cut, drop-in installation puts built-in audio within reach, with Perfect Fit templates, a precision flange, and (available) pre- construction brackets; achieve secure, vibration-free efficiency with a simple turn of the patented Rotating Cam system.

• Total Pieces: 1
• Qty Included: 1
• Availability: US
• Total Frequency Response: 28 Hz → 33 kHz
• Sensitivity (1 watt @ 1 meter): 90 dB
• Lower and Upper -3dB Limits: 40 Hz → 29 kHz
• Depth: 9.38" (23.83 cm)
• Tweeter: (1) 0.75" (1.91 cm) d (Round) Tweeter - Ring Radiator
• Subwoofer: (1) 6" (15.24 cm) d (Round) Subwoofer - Dynamic balance Polypropylene Cone
• Midrange: (1) 3.25" (8.26 cm) d (Round) Midrange - Dynamic Balance Polypropylene Cone
• Grille Dimensions: 9.63" (24.46 cm) diameter
• Speaker Inputs: (1.0000) Pair of Heavy Duty, Spring Loaded - Gold- Plated
• Recommended Amplifier Power Per Channel: 10 watts → 150 watts
• Shape: Round
• Dimensions: 8.19" (20.8 cm) diameter
• Shape: Round

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