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Audio Grade PCIe Host Card – tX-USBexp

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Audio Grade PCIe Host Card – tX-USBexp


tX-USBexp is PCI express USB 3.0 host interface card designed to perform the ultimate USB audio functions

If you want to use digital devices such as a PC as high-end audio source connected via USB, the various types of noise should be blocked from inside of the digital device.

To reduce such types of noise, tX-USBexp uses special lter circuits, and an Ultra low-noise voltage regulator, ultra-low jitter clock. It is also possible to be supplied power from the external battery pack (mBPS-d2s) through the external power input connector. You will hear the ultimate USB audio performance.



  • PCI express USB interface chip set
    - USB 3.0 Compliant xHCI host controller
    - Support SS(5Gbps), HS(480 Mbps), FS (12 Mbps), and LS (1.5 Mbps)
    - PCIe x1 Gen2 interface
  • Internal power inpu
    - Input voltage : +12.0V(+0.5V, -0.5V)
    - Input current : 2A
    - 4pin IDE power connector
  • External power input
    - Input voltage : +6.5V ~ +9Vdc
    - Input current : 2A max
    - 5.5mm OD, 2.1mm ID DC adaptor jack
  • USB port output power
    - Output voltage : +5.0V(+0.5V, -0.25V)
    - Over current protection : 1.5A at 20°C
    - Recommend output current : 0.5A >
  • OS support
    - Windows 7 or higher version, Linux