The ETC Source Four (Source 4) PAR is the evolution of the ordinary par can. Source Four PAR stands out of the luminaire crowd with rugged construction and acclaimed Source Four optical technology that provides superior brightness as well as energy savings.
Source Four PARs deliver a smooth even field and at 575 watts are comparable to 1000W Par 64 cans. Changing beam angles is easy with four choices in snap-in lenses that mount in a cool rotating ring.