Quick Spec HT4HKey Features◗ Design goal: To bring the thrill of liveperformance and cinema sound to the smallroom and home environments by calling onJBL’s professional engineering leadership.◗ Pure titanium high frequency driver.◗ Bi-radial constant directivity horn – 120°.◗ Cast aluminum 5.25" woofer with Heat-ScapeTMmotor structure.◗ Straight-Line Single PathTM (SSP) crossovernetwork.◗ FreeFlowTM flared rear port.◗ Rear piston type foot for correct speakerpositioning.Description◗ Horizontal front left, center, right loudspeaker.Frequency ResponseJBL SIS Products Group: Tel 818-830-8757 Fax 818-891-68948500 Balboa Boulevard, Northridge, CA 91329250 Crossways Park Drive, Woodbury, NY 11797A Harman International CompanyFrequency Response 80 Hz – 18 kHz (+/- 2dB)Sensitivity 89 dB @ 2.83 Volts/1 MeterRecommended Maximum Amplifier Power 150 WattsNominal Impedance 8 OhmsHigh Frequency Transducer 1” Titanium Dome with Bi-Radial HornCrossover Frequency 1250 HzLow Frequency Transducer 5.25”Weight 25 lbs / 11.4 kgDimensions (H x W x D) 6.81” x 20” x 11.13”173mm x 508mm x 283mmOn Axis ResponseListening Window(+/- 30 degrees Horizontal,+/- 10 degrees Vertical)Early ReflectionsTotal Sound PowerDirectivity IndexEarly Reflection Directivity Index.100.095.090.085.080.075.070.065.060.055.050.0log frequency Hz30.0 100.0 1000.0 10000.0SpecificationsSYSTEMS INTEGRATIONSPECIALIST PRODUCTS