ETC 419 Source Four 19-Degree Ellipsoidal Light 100082152 and projectors firmly in place

and projectors firmly in place and at an ideal height

the new industry standard developed by the IEEE for professional audio networking

Frequency Response (±3db): 47hz – 20khz

either right handed or left handed models

and an 80Hz high-pass filter to remove low frequency hum

ETC 419 Source Four 19-Degree Ellipsoidal Light 100082152 and projectors firmly in placeETC 419 Source Four 19 Degree Ellipsoidal Light There's only one Source Four the fixture that changed the lighting industry. Source Four combines the energy saving power of the patented HPL lamp, with a dichroic reflector and optical quality lenses, for the coolest beam on the market. That means your gels, patterns and shutters last longer and your performance space stays cooler. No other light offers such optical brilliance. Source Four's