Makro's online marketplace is selling counterfeit products

I'm so disappointed. Earlier this year I purchased JBL T510 headphones at makro Springfield branch which were on promo for R800 from R1000. I love these headphones the quality and sound is amazing. On the 13th of September I saw the same headphones on promo for R519 from R1100 on makro's website. I purchased them the same time. It was delivered today arrived through courier guy at 12pm. The headphone packaging was in a terrible state crushed and torn I was surprised the headphones weren't broken. The worst part is that it's a counterfeit product... Sound quality is terrible, It Looks like it's worth 200 bucks. I went into the makro Springfield branch to exchange and pay they difference to get original JBL headphones, the lady said they cannot offer a refund or exchange because it was bought through a third party seller on makro's website and I have to log a online return where they will collect the item and a refund will be issued by the 7th of October. Iv looked up makros code of conduct and it states "Sellers on makro's marketplace must agree to policies that ensure their products are authentic and not counterfeit" I must now process this refund myself and wait 3 weeks for the money to be returned back into my account. Makro should start taking accountability and allow customers to refund and exchange these counterfeit products in store, and apologize to customers because it's your sellers that are selling counterfeit products that are causing problems and delays to your customers. There's a lot of complaints online about makro's marketplace and there's nothing being done about it.