Yeah, but that's Bose. (And while many Bose products do legitimately stink, most of the people who rag about them have never heard them. They just think it shows off their refinement to scorm that particular company.) I wouldn't automatically condemn every similar attempt. I've heard neither the Bose nor the Yamaha (nor Polk's variant), so I can't offer any subjective judgment on them. But this sort of product can work, and does meet your needs.
There are wireless speakers. Maybe somebody here has some experience with them, and has found a decent set. I'm not aware of any.