This is an 18V 60-watt power supply, providing 18V 3.33A output. It is the latest GST range from Mean Well, improving on the previous GS range and now meeting Energy Level VI requirements, Datasheet available here.
HiFiBerry recommends Mean Well power supplies for the HiFiBerry Amp3 due to their excellent quality, as you would always expect from Mean Well products.
The power supply works with a 100-240V mains voltage. The power supply does not come with the mains cable section included - please add the matching cable for your country from the links below: