This small HM10 speaker bar from hegmuxco can connect to anything with a 3.5mm audio jack and is powered by USB. It has a few good uses, but I specifically bought it to "hide" behind a PC monitor that didn't have speakers built in. I think it's perfect for that! All the details are in the video and here's a paid Amazon affiliate link to the exact one I bought: https://retrorgb.link/hm10 . Mounting tape: https://amzn.to/43iqnHY