Sonos could release an Android TV streaming device that integrates The Trade Desk's technology and costs as much as $400. This article, Forthcoming Sonos streaming video device likely an Android TV box,

Sonos has plans for a set-top streaming box hot off the heals of ruining its app, and it's probably going to be expensive

Sonos is reported working on its first streaming box device, which will compete against the likes of the Apple TV and Roku.