Would I buy it again? Yes, especially on sale.

Here’s a draft for a useful, balanced review of a “DTS Key” (assuming you mean a key for DTS audio processing, like DTS Headphone:X or DTS Sound Unbound). Adjust the product name and specifics as needed. Unlocks immersive surround sound – great for gaming and movies, with a few caveats Rating: 4/5

I purchased the DTS key to activate DTS Headphone:X in Windows via the DTS Sound Unbound app. Here’s my honest experience after a few weeks of use.