Dayton Audio MK442T 5.1 Home Theater Speaker Bundle with 15" Powered Subwoofer
Power Sound Audio Pro Subwoofer System. Two 15inch Subs with Amp | AVS Forum
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Amazon.com: Polk Audio HTS 12 Powered Subwoofer with Power Port Technology | 12” Woofer, up to 400W Amp | For the Ultimate Home Theater Experience | Modern Sub that Fits in any
Yamaha IS1215W Dual 15" High-Power Subwoofer, White - ProAudio.com
5.1 Home Theater Bundle 15" Powered Subwoofer
JBL PRX915XLF Professional Powered 15-inch Subwoofer - Pixel Pro Audio