That is going to take a couple of days to figure out but I will report back. Will be comparing both on office set up through an older NAD 3020i and on 'main' system which is a current model NAD 326Cbee.

Just received mine from ebay seller aoshida. Minimum bid was $160 USD. Made the $160 bid and won. Free shipping. Came to $205 Canadian. Great deal.   Pic for scale vs. Teac  

Andy, check my post *above* ... maybe that will help you out with the UD-H01.

Thanks for your time & help. Finally got it figured. I had my device settings wrong in Foobar.   In Foobar file menu go to Library > Playback > Output for anyone still looking.   Select the:   WASAPI (push) : SPDIF OUT (TEAC USB HS ASYNC AUDIO DEVICE) from list of available devices.   ...

Thanks Spookanide. I did install WASAPI and can see the component registered in Foobar but the TEAC LED does not switch between 44.1, 48, 88.2, 96 etc.    I'm not clear what the TEAC playback rates are when I play FLAC from my library.    If I have a 24 bit FLAC with a sample rate of 96 Khz...

Old thread but still active. Yay. I recently picked up a used TEAC UD H-01. Using on Win 10 machine  (MSI Z-77 M45 16GBDDR3/2.4 Core i5 Gen 4) with Asynch USB out via Foobar 2000 to NAD 3120i & external speakers or NAD HP50 phones. I noticed that the TEAC unit does not automatically detect...