techPowerUp takes a look on the Ultrasone HFI-680 Headphones
A quote from the article:
>> Ultrasone HFI-680 Headphones Review
A quote from the article:
The newest addition to the HFI headphone lineup from Ultrasone is called the HFI-680. These new mid to high end cans should effectively fill in the gap between the old Ultrasone lineups 650 and recently launched HFI-780.
>> Ultrasone HFI-680 Headphones Review
