Cinema Sound 3000 : 4000 : 5000 : ScreenArray Systems (2 way) : ScreenArray Systems (3 way) : Subwoofers 4000 Series : Surround Systems   Aperture Bi-Radial® and driver technology for ultra-low distortion Midrange pattern control for increased direct vs. reverberant energy Vented Gap Cooled (VGC™) LF transducer(s) for maximum output and reliability Flat-front design for easy baffle wall installation Fully adjustable horn bracket for precise directional control Frequency Frequency Response Horizontal Coverage Angle 5672 Three-Way Screen Channel System 35 Hz to 16 kHz (-10 dB) 45 Hz to 12.5 kHz (+/- 3 dB) 80°, averaged 300 Hz to 16 kHz (-6dB) Frequency Range Frequency Response Horizontal Coverage Angle 5674 Three-Way Screen Channel System 35 Hz to 16 kHz (-10 dB) 45 Hz to 12.5 kHz (+/- 3 dB) 80°, averaged 300 Hz to 16 kHz (-6dB)