Can I hook a HagUsb to the USB out on the Apple ..

Can I hook a HagUsb to a Apple AirPort Express though the USB port. Then hook the HagUsb to my DAC?
I hook the AirPort to my pre-amp via the analog out and it sounds very bright.
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If the printing is wireless why does it need a USB port?
Check your computer audio settings. Make sure surround and a sub is not selected.
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