Right now, for example, you can take home the $170 Monster Cube 1 Portable Bluetooth Speaker for just $40 at Amazon. That's an incredible $130 in savings for a limited time. Get it. This adorable ...

If you thought cubes were so last-century, take a look at this Yamaha NX-A01 portable cube speaker that’s just 3.3 inches high. It uses an optional Yamaha Bluetooth receiver to let you listen to ...

Significantly more expensive than non-Sonos-enabled Bluetooth speakers. I liked the original Sonos Roam enough to give it a 9/10, WIRED Recommends.