This product is a vintage Polk model and is not available for sale, but it may still be available in some stores as a closeout or used product. The following text is taken from the original sales brochure for this product and does not reflect current availability. If you happen to have any question or concerns about this product, or any other Polk Audio product, feel free to contact our Customer Service Department at 1-800-377-7655 Monday - Friday, 9am - 5:30pm EST


The subwoofer for the AB900 inwall system.

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Sound so big you can feel it...from speakers you can barely see.

Polk's Architectural Reference Built-In Companion Bass System to the AB900 Loudspeakers (AB Series) deliver full-range sonic performance without intruding on your living space. Designed to be built-in to your walls and, if desired, painted to match or complement any color of your decor, the AB Series is the perfect solution to delivering high quality sound throughout your home. The open, 3-dimensional sound that has become a hallmark of Polk is recognized instantly, even in the smallest of systems. Nearly perfect high frequency dispersion makes speaker placement less critical, and a flat frequency response provides endless listening without psychoacoustic fatigue. Now by adding the AB900S true low bass sound information can now be experienced.

Polk's superior components, including bass and midrange drivers featuring trilaminate polymer diaphragms and hemispherical soft dome tweeters, set the AB systems apart from any other built-in speakers currently available. In the tradition of Polk Audio, each driver benefits from extensive research and development using the most sophisticated computer testing programs. As always only the finest grade components and materials are used to insure long term, trouble free operation.

Even in the most basic of systems, the AB Series provides quality bass reproduction. By choosing models with additional midbass drivers or by adding one or more subwoofer systems, one can achieve a truly remarkable sound that dramatically recreates the excitement of a live performance.

Driver Complement

Diameter6 1/2" (16.51cm) 


Cut-Out Width13 1/8" (33.34cm) 
Cut-Out Height20 7/16" (51.91cm) 
Height21 3/4" (55.24cm) 
Width14 1/2" (36.83cm) 
Mounting Depth (includes 1/2" drywall)3 7/8" (9.84cm) 

Specifications, dimensions and features subject to change without notice. For more information call us at 1-800-377-7655 (USA and Canada). Outside of North America call +1 (410) 358-3600.

AB900s Media

AB900s Literature

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AB900s Accessories