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Single 21 inch bass subwoofer high end speaker | SUBWOOFER SPEAKER | Sinbosen| Audio sound system manufacturer
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TS-A3000LB - 12" – 1500 W Max Power/ 400 W RMS, Single 2 Ohms Voice Coil, Rubber Surround - Shallow-Mount Pre-Loaded Enclosure Subwoofer | Pioneer Electronics USA
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Amazon.com: YIER Portable Bluetooth Speakers, 80W Peak Wireless Outdoor Speaker with Subwoofer, Deep Bass, IP67 Waterproof, 100dB Loud Party Speakers for Camping, Beach, Garage : Electronics
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