Features Tweeter based on exclusive MegaSphere technology with inverted one-piece titanium dome and powerful neodymium magnet system Woofer with two-piece plastic chassis and polypropylene cone Compact-sized, chassis-mounted crossovers Specifications Diameter T/W: 1.2? (30 mm) / 6.5? (16 cm) Power Handling: 50 W RMS / 165 W Max. Frequency Response: 38 ? 28.000 Hz Impedance: 4 ê Crossover Frequency: 5.100 Hz Sensitivity: 87 dB (1W/1m)