Source Four® PARs™ stand out of the luminaire crowd with their rugged die-cast aluminium construction and acclaimed Source Four optical technology. Superior brightness and energy savings. Source Four PARs deliver a smooth even field and at 575W are comparable to 1000W PAR64s while saving 40% on energy. Source Four PAR comes with a set of four snap-in lenses that mount in a cool, rotating ring. Source Four PARs™ go beyond run-of-the-mill pars with ETC's rugged, die-cast aluminum construction and acclaimed Source Four lighting technology. With the PARNel, ETC went beyond mere imitation and created a genre-bender with Fresnel-like functionality and the awesome performance of a Source Four® PAR™.