3-WAY BASS REFLEX FLOOR SPEAKER WITH TECHNOLOGIES FROM THE PLATINUM II TOP RANGE - NOMINAL IMPEDANCE 4 OHM - SENSITIVITY 88 DB - FREQUENCY RESPONSE 35 HZ - 50 KHZ (-6 DB) - RECOMMENDED APPLICABLE POWER 80 - 200 WATT - 2X 6.5-INCH RDTŽII WOOFER (RIGID DIAPHRAGM TECHNOLOGY 2ND GENERATION) IN SANDWICH MADE OF C-CAMŽ MATERIAL (CERAMIC-COATED ALUMINUM / MAGNESIUM), NOMEX AND CARBON FIBER, EQUIPPED WITH OWNED MECHANISM (DC FILM COUPLER) - 2.5-INCH C-CAMŽ RANGE - MPD (MICRO PLEATED DIAPHRAGM) TAPE TWEETER - DOUBLE HIVEŽII REFLEX DOOR ON THE REAR PANEL - CAREFULLY REINFORCED AND DAMPED CABINET INTERNALLY - SPEAKERS DISCONNECTED FROM THE FRONT PANEL FRONT PANEL FIXED ON THE REAR PANEL - CROSSOVER WITH SELECTED AUDIOPHILE GRADE COMPONENTS - SILVER PLATED OFC COPPER PUREFLOW WIRING - OWN CONNECTORS PREPARED FOR BI-AMPING AND BI-WIRING - GRID MAGNETIC - METAL BASE WITH ADJUSTABLE RUBBER FEET AND REMOVABLE CONICAL TIPS TO ADAPT TO DIFFERENT FLOOR TYPES - GLOSS BLACK TOP FINISH (BLACK LACQUERED) WITH TOP COVERED IN LUXURIOUS BLACK SOFT TOUCH MATERIAL - BASE DIMENSIONS XXP 99 X X7 INCLUDED 388 MM - WEIGHT 21.9 KG