1781:07df — Axium AX-800DAV Amplifier

This is the USB identifier for a Axium AX-800DAV Amplifier manufactured by Multiple Vendors. The vendor ID 1781 is registered to Multiple Vendors with the USB Implementers Forum, and 07df is the product ID that Multiple Vendors assigned to this particular model. When you run lsusb on Linux, this device appears as 1781:07df Multiple Vendors Axium AX-800DAV Amplifier.

Linux

$ lsusb
Bus 001 Device 004: ID 1781:07df Multiple Vendors Axium AX-800DAV Amplifier

You can filter directly with lsusb -d 1781:07df, or get the full descriptor dump with lsusb -v -d 1781:07df. Kernel messages from dmesg show the same pair as idVendor=1781, idProduct=07df.

Windows

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

USB\VID_1781&PID_07DF
USB\VID_1781&PID_07DF&REV_0100

From PowerShell: Get-PnpDevice | Where-Object InstanceId -match "VID_1781&PID_07DF"

macOS

$ system_profiler SPUSBDataType
    Axium AX-800DAV Amplifier:
      Product ID: 0x07df
      Vendor ID: 0x1781  (Multiple Vendors)

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:

1781  Multiple Vendors
	07df  Axium AX-800DAV Amplifier

• 1781:07e1 Axium AX-KPC Keypad
• 1781:07e2 Axium AX-KPD Keypad
• 1781:07e3 Axium AX-400DA Amplifier
• 1781:083e MetaGeek Wi-Spy

See all 26 devices from Multiple Vendors →