no music in cubox i4pro and DAC LH pulse infinity

hi guys

i have a cubox i4pro with latest volumio version
connected to USB DAC LH pulse infinity with ethernet cable in cubox, HDMI cable to tv, and usb pen with hd music.

i connect all of it and in volumio in output devices only appear , SPDIF, HDMI, and G1V5 that was when i connected geek out dac.

sometimes in MIXER TYPE appears NONE, SOFT and HARDWARE and in mixer name the LH PULSE, but sometimes only NONE AND SOFT.

no i try to open musci and it gives ERROR FAILED TO OPEN AUDIO OUTPUT…

please help…

thanks!