Three-way, floorstanding, reflex-loaded dynamic loudspeaker.
Drive-units: 1.1" silk-dome tweeter, 6" X3P-cone midrange driver, three 7" XXP-ribbed, XPP-polymer–cone woofers.
Frequency range: 28Hz–22kHz, limits not specified.
Sensitivity: 91dB/W/m.
Impedance: 4 ohms average.
Dimensions: 42.7" (1095mm) H by 7.5" (190mm) W by 15.7" (400mm) D.
Weight: 72 lbs