The ETC Source Four 750W Ellipsoidal is a professional ellipsoidal spotlight designed for stage or television use. It accommodates an HPL lamp up to 750 W, delivers a sharp beam, features precision optics with a dichroic reflector, and is built from die-cast aluminum for high durability. Key Features Maximum power: 750 watts (also operates at 375 W or 575 W) for high-intensity output suitable for large spaces. Multiple beam angles: interchangeable lens tubes available in 5°, 10°, 14°, 19°, 26°, 36°, 50°, 70°, or 90° for precise spot or flood adjustment. High-performance optics: faceted borosilicate aluminum reflector with dichroic coating, removing up to 90% of infrared, providing a “cooler” and more efficient beam. Reliable construction: die-cast aluminum housing, thermally isolated rear handle, dual yoke mounting positions, gel frame slots, stainless steel shutters. Included: lamp, connector, safety cable, C-clamp, and color frame for filters.