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Polk Audio 900-LS Full-Range High Performance Dual-Port In-Ceiling Loudspeaker. Collection in person to ensure buyer can check as part of purchase.
As with my other listings, I purchased this speaker (x2) to use for a house move, but sadly that has not materialised and these have been sitting in the loft since. These were bought because they are few that offer full frequency range and were originally to be used to set up a home cinema room.
Additional infor here – https://en.polkaudio.com/shop/polkaudio-architecturalspeakers/900ls
Below blurb taken from newegg.com site.
Polk Audio Vanishing Series 900-LS In-Ceiling LoudspeakerAudiophile Performance, Cutting-edge Stealth DesignThe 900-LS in-ceiling speaker is designed to deliver rich, room-filling sound while vanishing into your home dcor. This 3-way speaker features a 0.75″ ring radiator tweeter, a 3.25″ Dynamic Balance midrange speaker, and a 6″ Dynamic Balance woofer, which together produce 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.Sold in each piece.The full-range 3-way driver array means you get full-size speaker performance in a built-in!Vanishing Series built-in speakers feature Polk Audios 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 dcor, Vanishing Series built-in speakers are virtually indistinguishable from their surroundings.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.Enhanced, reengineered ring radiator tweeters extend top-end response for incredible details and realistic imaging.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.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.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.
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Category: Sound and Vision:Home Audio and HiFi Separates:Speakers and Subwoofers
Location: Liverpool