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20 Inch Subs

A subwoofer is a speaker that reproduces low frequency sound. It is typically used in conjunction with other speakers to form a complete music system. Browse the top-ranked list of 20 inch subs below along with associated reviews and opinions.

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In-store pricing may vary. Prices and offers are subject to change. © 2026 Best Buy. All rights reserved. BEST BUY, the BEST BUY logo, the tag design, and MY BEST BUY are trademarks of Best Buy and its affiliated companies.