Lars Luthman wrote: > options snd-usb-audio index=3,4,5 vid=0x0c45,0x0a4d,0x17a0 pid=0x60af,0x0090,0x0001 The vid/pid parameters specify the USB vendor and product IDs of the devices. To find out these number for your devices, look at the output of lsusb (for example, Roland/Edirol has vendor ID 0x0582). HTH Clemens