WASAPI----->Bitmatched/Perfect transport----->Maverick D1 RCA SS output------>Matrix M-Stage(Stock)----->AKG K-702   I use these with my AKG K702 headphones and there really isn't much to say.  My previous amp had no problem powering these bad boys either but it hissed and popped at the volumes necessary to do so.  With the dip switch on the bottom controlling level of gain you can be assured it will power your most sensitive headphones equally to your power hungry hogs.   The volume knob is solid construction, and its potentiometer is...