TASCAM Engineering has been working non-stop on new drivers for our "US-" series products to work flawlessly under Apple's latest OS, OS X 10.9 (Mavericks).
We are happy to announce that we expect to release drivers for the products noted below during the week of Dec 9th

We are grateful to our loyal users for waiting patiently during this time.

Drivers we plan to release during the week of Dec 9th.

• US-122MKII
• US-144MKII
• US-200
• US-600
• US-1641
• US-1800
• US-2000

Drivers that are still in testing.

• US-322
• US-366