21b4:0082 — DragonFly Red

AudioQuest

Vendor ID: 21b4
Product ID: 0082
Combined: 21b4:0082
Decimal: 8628:130

What is this device?

This is the USB identifier for a DragonFly Red manufactured by AudioQuest. The vendor ID 21b4 is registered to AudioQuest with the USB Implementers Forum, and 0082 is the product ID that AudioQuest assigned to this particular model. When you run lsusb on Linux, this device appears as 21b4:0082 AudioQuest DragonFly Red.

How to identify it on your system

Linux

$ lsusb
Bus 001 Device 004: ID 21b4:0082 AudioQuest DragonFly Red

You can filter directly with lsusb -d 21b4:0082, or get the full descriptor dump with lsusb -v -d 21b4:0082. Kernel messages from dmesg show the same pair as idVendor=21b4, idProduct=0082.

Windows

In Device Manager, open the device, go to Details → Hardware Ids. This device reports:

USB\VID_21B4&PID_0082
USB\VID_21B4&PID_0082&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_21B4&PID_0082"

macOS

$ system_profiler SPUSBDataType
    DragonFly Red:
      Product ID: 0x0082
      Vendor ID: 0x21b4  (AudioQuest)

Driver help

Having driver issues with this device? Most USB devices are handled by a generic class driver; if yours shows up as an unknown device, confirm the ID above first, then check the manufacturer's downloads page.

Raw usb.ids entry

The exact lines this page is generated from, in the upstream source file:

21b4  AudioQuest
	0082  DragonFly Red