Best Buy: Onkyo 7.1-Ch. Home Theater Speaker System with Powered Subwoofer Black SKS-HT993THX
Open Box: Onkyo SKW-204 Bass Reflex Powered Subwoofer (Black) Home Audio Speakers - Newegg.com
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Onkyo 10" Subwoofer 230 Watts Home Theater Music Gaming SKW-540 for Sale in Alhambra, CA - OfferUp
SKW-204 | Onkyo
Onkyo SKW-208(B) Active Bass Reflex Subwoofer (120 Watt Output Power, for Mini Systems or Home Cinema, Adjustable Crossover Frequency from 50 Hz to 200 Hz, High-Gloss Cabinet Front), Black: Buy Online at