This Speaker is used, no signs of cracks of physical damage.  Tested 100% functional

Yamaha Black MusicCast Wireless Speaker - WX-010BL With a stylish, space-saving design that fits anywhere in your home, this MusicCast speaker lets you stream music wirelessly using your existing Wi-Fi network. Use it as a stand-alone streaming music speaker or add other MusicCast products over time and control them all with a simple app. Two units can be used in stereo mode for a more expansive and lifelike listening experience.

Color- Black

Configuration- 2 Channel