Aim tti dual 600w powerflex power supply aim tti qpx600d p the aim tti qpx600d is a dual output dc power supply with a maximum total output power of 1200 watts and is suited to both bench top and system applications p p the qpx600d incorporates full digital remote control using usb rs 232 lan and gpib interfaces with analog remote control br the aim tti px600d is a different type of laboratory power supply designed to meet the need for flexibility in the choice of voltag