Roland68
Major Contributor
I've only talked about HiFi DACs here, as anything other than USB 2.0 is the exception.That may be, Roland, but the same doesn't seem to go for quite a few of the current USB audio interfaces.
For example, Universal Audio specifies 4.2 W max. / 2.5 W typical for their current Volt 2 model - the latter power at the limit for USB 2.0, the former near the limit for USB 3.0. And while the Volt 2 sports an additional barrel jack for external power (and a USB-A to barrel plug cable), it nevertheless is primarily intended for bus-powered operation (with the included cable being USB-A to USB-C (host to device)), with its port being specified as USB 2.0 port (in form of an USB-C jack).
So all in all, that seems quite confusing to me.
Greetings from Munich!
Manfred / lini
USB audio interfaces and pro audio devices are a different world, with everything from USB 2.0 to the latest Thunderbolt generation being used.
The easiest way is to use the original cable or a suitable cable for the specified interface. Especially here, I would recommend a brand-name cable, but nothing overpriced.
If you have any questions, it's best to include the exact device name.
That was general.
Universal Audio specifies a USB 2.0 port on the Volt 2 USB and also states in the manual that this is sufficient.
But if an external power supply is possible, as is the case here, I would always prefer that. But that's just my personal opinion.