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. Need maximum brightness in wash lighting. Source Four PAR EA is rated for the incomparable 750W HPL lamp. Changing beam angles is easy, Source Four PAR comes with a set of four snap-in lenses that mount in a cool, rotating ring. That also means no more reaching into a hot can with cracked porcelain sockets. And when need a new lamp, just use stock of Source Four HPLs (no need to carry a large inventory of expensive PAR64 lamps). Source Four PAR's compact design means more units can be mounted on pipe or fit into a truck. Combined with reductions in power and cable requirements, Source Four PARs are perfect for touring. Four heat resistant, molded borosilicate glass lenses supplied with each unit, very narrow spot (VNSP), narrow spot (NSP), medium flood (MFL) and wide flood (WFL).