iTEC USB71AA interface cards/adapter

7.1.Channel Audio Adapter, USB 2.0 It is equipped with many input and output connectors (2x Microphone input, S/PDIF optical, etc.) to add a great stereo input and output performance. It combines not only high quality audio recording and playback capabilities but also allows the connection of most popular audio gear such as microphones, home audio systems, musical instruments, and powered speakers to your USB capable computer. With included powerful utility you can enjoy even KARAOKE or high quality digital connection via optical S/PDIF input and output.