If you wish to return an item you bought through eBay for a money-back return you can do so within the first 30 days of purchase by using ebay's own return procedure. They will provide a pre-paid returns shipping label for you to return the item with. Just click on the item in question in 'My eBay'> More options > Return the item.
IMPORTANT
Only purchases from Cambridge Audio’s official eBay stores are covered by the Cambridge Audio warranty policy:
Products purchased from eBay third-party sellers are ineligible. Please contact the seller to discuss your options.
You must be able to provide your eBay proof of purchase.