Unfortunately, we do not offer global warranty on our products.
Since it is still in the 30 day return period for Amazon, we suggest you return the defective unit to Amazon for exchange/refund. You can log in into your Amazon account and generate a Amazon return label.
3. I tested the speakers using the Windows 10 sound test and all speakers work but only the two front speakers work when listening to anything without the subwoofer. The center speaker also makes a loud buzzing noise, why?
Download the latest sound card driver for your laptop, it is most likely a sound card driver problem, and check your speakers again.
Unfortunately, we do not provide technical manuals to end users, you can contact customer support for assistance.
We appreciate your feedback for your Genius product user experience