045a:5221 — Rio Eigen
SONICblue, Inc.
- Vendor ID
- 045a
- Product ID
- 5221
- Combined
- 045a:5221
- Decimal
- 1114:21025
What is this device?
This is the USB identifier for a Rio Eigen manufactured by SONICblue, Inc.. The vendor ID 045a is registered to SONICblue, Inc. with the USB Implementers Forum, and 5221 is the product ID that SONICblue, Inc. assigned to this particular model. When you run lsusb on Linux, this device appears as 045a:5221 SONICblue, Inc. Rio Eigen.
How to identify it on your system
Linux
$ lsusb Bus 001 Device 004: ID 045a:5221 SONICblue, Inc. Rio Eigen
You can filter directly with lsusb -d 045a:5221, or get the full descriptor dump with lsusb -v -d 045a:5221. Kernel messages from dmesg show the same pair as idVendor=045a, idProduct=5221.
Windows
In Device Manager, open the device, go to Details → Hardware Ids. This device reports:
USB\VID_045A&PID_5221 USB\VID_045A&PID_5221&REV_0100
From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_045A&PID_5221"
macOS
$ system_profiler SPUSBDataType
Rio Eigen:
Product ID: 0x5221
Vendor ID: 0x045a (SONICblue, Inc.)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:
045a SONICblue, Inc. 5221 Rio Eigen