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Refurbished: Logitech A-Grade Certified Refurbished Z506 (980-000430) 5.1 Surround Sound 3D Ported Stereo 75 Watts Home Theater Speakers - Newegg.com
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Amazon.com: Logitech X-540 5.1 Surround Sound Speaker System with Subwoofer : Artist Not Provided: Electronics
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