ESI U22 XT Audio Interface Soundkarte

M-Audio Fast Track C400 USB Audio Interface, MIDI/S/PDIF, 2 Mic/Line Inputs

Douk Audio U2 PRO XMOS XU316 USB S/PDIF Digital Interface Audio Converter

Focusrite Scarlett 18i20 Rackmount USB Interface 8 Mic ADAT S/PDIF MIDI

M-Audio Duo USB Audio Interface Preamp with S/PDIF no ac adapter (as pictured)

ESI GIGAPORT-AG USB-8 Channel Analog Interface

Digidesign Mbox 2 USB Audio Interface 4 Pro ToolsLE MIDI S/PDIF Recorder

ESI U24XL 24-bit USB Audio Interface for PC & Mac with S/PDIF I/O