PRISM SQ-655 6 1/2 INCH GLASS FIBER CONE WITH RUBBER EDGE COMPONENT CAR SPEAKER SYSTEM Speciafication : •Max Power 150 W • Norm Power 75 W • Sensitivity 94 dB (1W/1M) • Impedance 4 ohms Speciafication : WOOFER MATERIAL : 6-1/2 INCH GLASS FIBER CONE WITH RUBBER EDGE VOICE COIL : 1 INCH HIGH TEMPERATURE 2 LAYER ASV. COIL MAGNET : 80 mm x 32 mm x 15 mm STRONTIUM MAGNET TWEETER MATERIAL : 25MM SILK DIAPHRAGM VOICE COIL : 25 mm HIGH TEMPERATURE NSV MAGNET : 0.32 Oz NEODYMIUM MAGNET FASHION : ANGLE MOUNT, FLUSH MOUNT, SURFACE MOUNT CROSSOVER PCB : HIGH QUALITY GLASS FIBER BOARD, DOUBLE SIDE GALVANIZED FREQ. RESPONSE : 3,500 Hz SLOP : 12 dB/Oct SENSITIVITY : TWEETER TERMINAL — * +0 dB: CRITERIA SOUND QUALITY * -3 dB: FOR THOSE WHO LIKE BASS A LITTLE BIT STRONGER * -6 dB: FOR THOSE WHO LIKE BASS QUITE STRON GENERALIZATION FREQ. RESPONSE : 55 Hz - 22 KHz SENSITIVITY : 94 dB (1M/1W) IMPEDANCE : 4 Ohms NOM POWER : 75 WATTS MAX POWER : 150 WATTS