Sonos Discount for Refurbished

Hi, does anyone know of, a Sonos discount code that works with their certified refurbished site please. I'm a student looking to get into the world of Sonos but my unidays and student beans does not work with the refurbished side of their site. If anyone knows of any discounts or has access to a working code for refurbished that they could share to me I'd be ever most grateful