I just bought one of these yesterday from DSE and it's great. Mine is 12 volts only, the voltage is not variable and it was a little cheaper. All my pedals run happily on it, including my EBS's which are very picky about their power. Check the output - 3 amps! The case is a little flimsy and not overly pedal board friendly (well for my board anyway). I'm going to pull the guts out and put them in a sturdy plastic box. Lots of seemingly clean power for not too much money, worth a look.