Revel C563 6 ½" In-Ceiling Loudspeaker Category--Cartridges & Stylus The ones you get when

The ones you get when music comes out of a background so quiet

Cast-aluminum Frame Woofer

and class-H topologies using a feed-forward error correction system

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"build quality leaves little to be desired

Revel C563 6 ½" In-Ceiling Loudspeaker Category--Cartridges & Stylus The ones you get whenC563 6 " In Ceiling Loudspeaker Revel in ceiling loudspeakers draw upon the same research, resources, and unique perspectives that put all our loudspeakers in a class by themselves. Each model offers a standard setting low sonic coloration and freedom from distortion over a wide dynamic range. C563 Highlights Long throw woofers with cast frames and rubber surrounds provide high output with low distortion 1 inch (25mm) angle adjustable, metal dome