AudioQuest — USB Vendor ID 21b4
AudioQuest is a USB vendor registered under ID 21b4. Below are the 2 known USB devices published under this vendor ID in the upstream usb.ids database. Any device from this manufacturer will report 21b4 as the first half of its VID:PID pair, so if your system shows 21b4:???? the hardware was built by AudioQuest.
Devices under 21b4
| PID | Device name | Full ID |
|---|---|---|
| 0081 | DragonFly | 21b4:0081 |
| 0082 | DragonFly Red | 21b4:0082 |