(tm) ZoomFX(tm): No Description: S/PDIF Pass-through Device (ASUS Xonar Essence STX Audio Device) Default Sound Playback: No Default Voice Playback: No Hardware ID: PCI\VEN_13F6&DEV_8788&SUBSYS_835C1043&REV_00 Manufacturer ID: 1 Product ID: 100 Type: WDM Driver Name: cmudaxp.sys ...