Sonos announces trade-in discounts as part of new 'Trade Up' program - Neowin
Halsten Entertainment on Twitter: "Need a new @Sonos speaker? Now is your chance to buy and save with the Sonos Trade-Up program! Save 30% on new Sonos when you recycle your Connect:Amp,
If you have an old Sonos device you can now trade it for a newer one - RouteNote Blog
Sonos Trade UP Program | Audio Video Unlimited
Sonos launches Trade Up program for customers to upgrade to the latest speakers - Tech Guide
Sonos Will Soon End Software Support for Its Older Speakers | WIRED