Digidesign Pro Tools Quad Audio Interface - 16 Bit 4 Channel

DigiDesign Quad Audio Interface Pro Audio Tool 16 Bit 4 Channel

DigiDesign Quad Audio Interface – 16-Bit, 4 Channels – Power Tested

Digidesign Mbox 2 Mini 2-Channel USB Audio Interface Tested and Working w/ Box

Digidesign Mbox 2 Mini 2-Channel USB Audio Interface w/ 24-bit 48kHz Resolution

Digidesign Quad Audio Interface A16719 Rev.EK1 4 Channels