Tang Band T3-2190S 3" Subwoofer Module 7-1/2" x 3-5/8"
Order the Tang Band PR14-B Subwoofer bundle | W5-1138SMF + PR14 - SoundImports
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Tang Bang PR14-B 5" Subwoofer Bundle
Tang Band Speakers Announces Compact Bundled Subwoofer Products | audioXpress
Tang Band W3-1876S 3" Mini Subwoofer - Walmart.com