WOW HD is an online store that mainly sells physical copies of pre-recorded music and videos.

Under its previous name, CD WOW!, the retailer began operating in the UK in 2000, offering CDs and DVDs at lower prices than the high street.

The BPI, acting on behalf of its members, saw the lower priced albums as damaging to the UK and European markets and took the company's former owners Music Trading On-Line (HK) Ltd to the High Court, citing UK's Copyright, Designs and Patents Act of 1988.

were ordered by the High Court to pay £41 million in damages to the BPI for breaching the 2004 agreement over the sale of imported CDs.

[5] Since mid-2015, WOW HD has been owned by DirectToU, LLC, who also operate sites such as deepdiscount.com and Amazon Marketplace/eBay seller All Your Music.