Earthquake Sound Ff6.5 6.5-inch Front Firing Subwoofer for sale online | eBay
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Klipsch Reference R-12SW Subwoofer 12" Inch Front Firing 400 Watt Powered Sub 743878044652 | eBay
Amazon.com: Klipsch Synergy Black Label Sub-100 10” Front-Firing Subwoofer & Synergy Black Label B-100 Bookshelf Speaker Pair, a 4” High-Output Woofer and a Dynamic .75” Tweeter, Black : Everything Else
Cerwin-Vega XLS-15S 15" Subwoofer - Additional 5% off at Checkout! – Sonido Live