thanx for suggest but the second is exactly what i want (don't want to spend too much for this)     correction it was not the rca but coax cable (red circled) that was  hooked and the dac fall while case opened (it a stupid accident but happened),   the usb interface in the greater...

hi Freda , thanx for reply no it's physically broken (pulled accidentally on rca cable and ......) it's not a software or driver issue i've already contacted audio-gd     and they told me the USB modules usb32, amanero and xmos have been discontinued i insist that i have no other solution...

hi,  soory to write this here but i cannot create a new thread on the diy forum section i’m new here and also not an electronic expert. Hope somebody can help me my usb interface (audio-gd NFB-1S) is broken (definitly). The manufacturer has discontinued  usb interface (USB32, xmos or amanero)...

hi, is there anybody who is facing this problem : when connecting DX50 to windows 7 64  the explorer and after the system freeze and i got to reboot the hard way. I tested another usb cable but still facing the problem but when connection it to windows 32 bit (a friend's laptop )   it works...