techPowerUp posted a review on the Zalman ZM-RS6F USB Headphones

Zalman's latest ZM-RS6F USB headphones are based on a C-Media USB sound card and a 5.1 capable headset that can do real surround sound. The whole unit has been built to deliver a maximum of comfort while still being rugged and easy to transport. Another plus is that it is quite affordable when compared to other solutions with similar features.

Zalman ZM-RS6F USB Headphones Review