InsideHW.com posted a review on the Gigabyte GP-S6500 and GP-S7500
A quote from the article:
Gigabyte GP-S6500 and GP-S7500 Review
Although it is not an unfamiliar manufacturer of numerous different computer components at all, Gigabyte's latest entering the market occurs in the field of loudspeakers. Similar to Logitech once, at this moment, Gigabyte probably considers itself sufficiently strong as a brand to afford to show up from nowhere with series of loudspeakers and handle already established crew.
Gigabyte GP-S6500 and GP-S7500 Review