Both the Tascam US122 MK2 and Tascam US144 MK2 receive power directly through the USB connection making them ideal for recordings on the road with a laptop computer. Tascam have updated the ever popular Tascam US122 and US144 with the Tascam US122 MK2 and Tascam US144 MK2 USB 2 audio interfaces. Hurry, we still have stock of the previous models at end of line clearance prices.