05fc:0021 — Soundcraft Signature 12 MTK

This is the USB identifier for a Soundcraft Signature 12 MTK manufactured by Harman. The vendor ID 05fc is registered to Harman with the USB Implementers Forum, and 0021 is the product ID that Harman assigned to this particular model. When you run lsusb on Linux, this device appears as 05fc:0021 Harman Soundcraft Signature 12 MTK.

Linux

$ lsusb
Bus 001 Device 004: ID 05fc:0021 Harman Soundcraft Signature 12 MTK

You can filter directly with lsusb -d 05fc:0021, or get the full descriptor dump with lsusb -v -d 05fc:0021. Kernel messages from dmesg show the same pair as idVendor=05fc, idProduct=0021.

Windows

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

USB\VID_05FC&PID_0021
USB\VID_05FC&PID_0021&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_05FC&PID_0021"

macOS

$ system_profiler SPUSBDataType
    Soundcraft Signature 12 MTK:
      Product ID: 0x0021
      Vendor ID: 0x05fc  (Harman)

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.

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

05fc  Harman
	0021  Soundcraft Signature 12 MTK

• 05fc:0001 Soundcraft Si Multi Digital Card
• 05fc:0010 Soundcraft Si MADI combo card
• 05fc:7849 Harman/Kardon SoundSticks

See all 4 devices from Harman →