I do chuckle whenever I read about sound quality in wireless headsets and earbuds. So many millions are spent on the connection between phone and earbud, millions just to avoid the inconvenience of a wire. But go to any recording studio or radio station, anywhere that quality actually matters and you won't see anyone debating Bluetooth's bandwidth limitations. If you care about quality your equipment is wired.
Want real quality in wireless an earbud? Look for something called an In Ear Monitor (IEM). The abandon data links rely on oldschool radio frequencies. A decent rig will start at about 1000$.