Only pulling .6 amps at 120v ?

#Yamaha A4A used as a pre/pro
#Magnepan 2 pairs of MG12s
#Starkesound AD4 320
I do have 2 #Polkaudio DSWPRO 550WI ( speaker level / crossed over at 60hz running off their own outlets )

With my PS4 on its 1.1 amps.