I bought this power supply to work on hobby projects and experiments for school. It is capable of 150 W power output and features positive/negative terminals in addition to ground. Standout features are 4 memory settings, setting lock, dial control, and separated output on/off from unit on/off.
PSU: https://www.amazon.com/gp/product/B09...
Music: Dream Of The Ancestor by Asher Fulero, from the YouTube Audio Library
All my film equipment can be found on my Kit page.