21a4:ac40 — SPORTS Active 2 Wireless Controller for Wii

This is the USB identifier for a SPORTS Active 2 Wireless Controller for Wii manufactured by Electronic Arts Inc.. The vendor ID 21a4 is registered to Electronic Arts Inc. with the USB Implementers Forum, and ac40 is the product ID that Electronic Arts Inc. assigned to this particular model. When you run lsusb on Linux, this device appears as 21a4:ac40 Electronic Arts Inc. SPORTS Active 2 Wireless Controller for Wii.

Linux

$ lsusb
Bus 001 Device 004: ID 21a4:ac40 Electronic Arts Inc. SPORTS Active 2 Wireless Controller for Wii

You can filter directly with lsusb -d 21a4:ac40, or get the full descriptor dump with lsusb -v -d 21a4:ac40. Kernel messages from dmesg show the same pair as idVendor=21a4, idProduct=ac40.

Windows

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

USB\VID_21A4&PID_AC40
USB\VID_21A4&PID_AC40&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_21A4&PID_AC40"

macOS

$ system_profiler SPUSBDataType
    SPORTS Active 2 Wireless Controller for Wii:
      Product ID: 0xac40
      Vendor ID: 0x21a4  (Electronic Arts Inc.)

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:

21a4  Electronic Arts Inc.
	ac40  SPORTS Active 2 Wireless Controller for Wii

• 21a4:ac27 SPORTS Active 2 Wireless Controller for PS3

See all 2 devices from Electronic Arts Inc. →