[nils@fyps ~]$ arecord -L
null
    Discard all samples (playback) or generate zero samples (capture)
pulse
    PulseAudio Sound Server
sysdefault:CARD=DSP
    Hammerfall DSP, RME Hammerfall DSP + Multiface
    Default Audio Device
sysdefault:CARD=Loopback
    Loopback, Loopback PCM
    Default Audio Device
sysdefault:CARD=Intel
    HDA Intel, ALC889A Analog
    Default Audio Device
front:CARD=Intel,DEV=0
    HDA Intel, ALC889A Analog
    Front speakers
surround40:CARD=Intel,DEV=0
    HDA Intel, ALC889A Analog
    4.0 Surround output to Front and Rear speakers
surround41:CARD=Intel,DEV=0
    HDA Intel, ALC889A Analog
    4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:CARD=Intel,DEV=0
    HDA Intel, ALC889A Analog
    5.0 Surround output to Front, Center and Rear speakers
surround51:CARD=Intel,DEV=0
    HDA Intel, ALC889A Analog
    5.1 Surround output to Front, Center, Rear and Subwoofer speakers
surround71:CARD=Intel,DEV=0
    HDA Intel, ALC889A Analog
    7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
iec958:CARD=Intel,DEV=0
    HDA Intel, ALC889A Digital
    IEC958 (S/PDIF) Digital Audio Output
sysdefault:CARD=U0x46d0x81d
    USB Device 0x46d:0x81d, USB Audio
    Default Audio Device
front:CARD=U0x46d0x81d,DEV=0
    USB Device 0x46d:0x81d, USB Audio
    Front speakers
surround40:CARD=U0x46d0x81d,DEV=0
    USB Device 0x46d:0x81d, USB Audio
    4.0 Surround output to Front and Rear speakers
surround41:CARD=U0x46d0x81d,DEV=0
    USB Device 0x46d:0x81d, USB Audio
    4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:CARD=U0x46d0x81d,DEV=0
    USB Device 0x46d:0x81d, USB Audio
    5.0 Surround output to Front, Center and Rear speakers
surround51:CARD=U0x46d0x81d,DEV=0
    USB Device 0x46d:0x81d, USB Audio
    5.1 Surround output to Front, Center, Rear and Subwoofer speakers
surround71:CARD=U0x46d0x81d,DEV=0
    USB Device 0x46d:0x81d, USB Audio
    7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
iec958:CARD=U0x46d0x81d,DEV=0
    USB Device 0x46d:0x81d, USB Audio
    IEC958 (S/PDIF) Digital Audio Output