If you purchased a SONOS product from Oct 1 2018 to Dec 31 2018, you are eligible to claim 20% off another purchase after March 6 2019 as an existing SONOS Customer.
Have your copy of your Cloud 9 AV invoice showing the purchase and get your discount from SONOS using the following link: https://sonos-welcome.com/ie/en/pages/cashback/home
If you have any questions, please use our support email support@c9av.com and we will get back to you as soon as possible.