A:AnswerHeavy gage metal stands with a weighted bottom. They are painted black. High quality and fit perfect with the one speakers. They look great together, and are very stable.
A:AnswerThese are not, however Best Buy does sell the mounts we made for Era 300. Incredibly easy to set up and look great! Just search "Sonos Era 300 stands"
A:AnswerGreat question! You should be able to contact Sonos Customer Experience through social media, e-mail, or by phone (all contact information is listed at sonos.com/support) and they can point you in the right direction for a replacement!