Aim tti 1200w powerflex power supply aim tti qpx1200sp p the aim tti qpx1200sp is a laboratory dc power supply with a maximum total output power of 1200w and is suited to both bench top and system applications the aim tti qpx1200sp adds full digital remote control using usb rs 232 lan and gpib interfaces and includes an analog remote control p p the qpx1200s is a different type of laboratory power supply designed to meet the need for flexibility in the choice of voltage a