Tested: WORKING!
Model: WL-500gx (Deluxe V)
Firmware: 1.9.2.7-6c-pre5

Device
Brandname: Hama
Brandtype: 0005711 Virtual 5.1 Audio Adapter
USB Interface: 1.1 and 2.0 compliant
URL To manufacturer: http://www.hama.de
URL To product:http://www.hama.de/portal/articleId*116368/action*2563

Output works fine tested with madplay / Input untested

Device costs <15EUR