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Remote Control For Logitech Z5500 Z680 Z5400 Z5450 Z-5500 Z-680 Z-5400 Digital Thx 5.1 Pc Multimedia Computer Speaker System - Remote Control - AliExpress
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Logitech Z-680 THX 5.1 Speakers | bit-tech.net
Logitech Z-680 THX-certified 5.1 speaker set Photo #701230 - US Audio Mart