Julius - Turn your Mac into a Bluetooth speaker
Sonos Out Door Speaker - An outdoor speaker developed by Sonos and Sonance
AirBuddy - Bring the same AirPods experience from iOS to Mac
PHOTIVE SPHERE - Affordable bluetooth speaker with built-in stand
ToothFairy - Connect accessories to your Mac with a single click
Sonos One - A self-contained, Alexa-connected speaker from Sonos