The Kilpsch R-41M bookshelf speakers from RC Willey offer maximum versatility without sacrificing performance from a small, yet elegant audio solution. Designed as main speakers for a compact living space or surround sound to support a Reference speaker system, the R-41M bookshelf speakers are the ideal choice for your home theater system. 90 x 90 Tractrix Horn Klipsch offers exclusive Tractrix horn technology that delivers the power, detail, and emotion of a live music experience with the cleanest, most natural sound possible. Linear Travel Suspension (LTS) Aluminum Tweeter with Kapton Suspension The exclusive Linear Travel Suspension (LTS) minimizes distortion for enhanced, detailed performances. Kapton is an extremely light and rigid material used in the tweeter suspension to provide high efficiency and improve resolution and detail. LTS tweeters are a hallmark of Klipsch speakers, making it a core component of some of the best speakers in the world. Spun Copper IMG Woofer Injection Molded Graphite (IMG) woofer cones are exceptionally light while being extremely rigid providing remarkable low-frequency response, with minimal cone breakup and distortion. When paired with the Tractrix Horn-loaded LTS tweeter, it provides speaker efficiency highest in its class. Sleek, Contemporary Appearance Exposed fasteners and low profile magnetic grilles give the speakers a polished, modern appearance. Scratch-Resistant MDF Cabinet with Textured Wood Grain Vinyl Stylish aesthetic with absolute durability that results in a seamless integration into any decor. High Quality Cabinet Design Reinforced MDF construction reduces cabinet vibration for less audible coloration and improved sonic accuracy The following videos explain how to maximize speaker placement for pristine sound quality. 1 Inch Aluminum LTS tweeters 90 x 90 Square Tractrix Horns 4 Inch Spun-Copper IMG Woofers Bass-Reflex via Rear-Firing Port Strong, Flexible Removable Magnetic Grille