Zounds Hearing Aids does have a referral program in place that allows customers to earn discounts or credits when they refer new customers. When a referred individual makes a purchase, the original customer who made the referral may receive a discount or benefit as a thank you for introducing someone new to Zounds products. This can be a great way to save on future purchases and help others experience the benefits of improved hearing. It is advisable to check the current details of the referral program on Zounds' official website, as terms and conditions may vary over time. For the most accurate and up-to-date information about referral discounts, visiting the website would be beneficial.