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Original Volume Control Pod For Bose C20 Companion 20 Speakers Audio remote volume control panel|Computer Cables & Connectors| - AliExpress
![Bose and Teufel in the test: three preferred candidates of the community in comparison - Audio, Video, Photo Bose and Teufel in the test: three preferred candidates of the community in comparison - Audio, Video, Photo](https://technical-news.net/images/1b7372d1199dea380dd18c5a926959d5.png)
Bose and Teufel in the test: three preferred candidates of the community in comparison - Audio, Video, Photo
![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 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](https://i.redd.it/hua8qt40s1k61.jpg)
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
![Bose Companion 20 multimedia speaker system, TV & Home Appliances, TV & Entertainment, Entertainment Systems & Smart Home Devices on Carousell Bose Companion 20 multimedia speaker system, TV & Home Appliances, TV & Entertainment, Entertainment Systems & Smart Home Devices on Carousell](https://media.karousell.com/media/photos/products/2019/02/23/bose_companion_20_multimedia_speaker_system_1550890834_525becf8_progressive.jpg)