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Beneath the IO label of the Bose Companion 20, there is an additional circular port above the 'Audio In' port. What would this be? : r/bose
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Creative T100 Compact Hi-Fi 2.0 Desktop Speakers for Computers and Laptops - Creative Labs (United States)
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HQRP AC Adapter works with Bose Companion 20 Multimedia Speaker System 329509-1300 PSM36W-180 Power Supply Cord Adaptor + Euro Plug Adapter : Amazon.ca: Electronics
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