- Power Amp Transistor Made in U.S.A- Power (more than comfortable: attention ears !!!): 1) Stereo 2x125 watts 4ohms load 2x90 watts 8ohms load 16ohms load 2x50 watts 2) Bridged (Mono) 4ohms load Not Recommended * 250 watts 8ohms load 16ohms load 170 watts - 2 connector jacks for input and output 4 (if you want to connect 4 speakers!) - Channel settings: volume, "reactance" (to simulate the reactions of a tube amp) and "definition" (for better emerge from the mix). no fan but two radiators, resulting in a perfectly quiet amp! we also reported an anti "pop" the ignition and extinction (thank you for the HP)