High Frequency Driver + 4×4″ Slim Horn 150 Watts Continuous Power 75 Watts RMS Power Impedance: 8 Ohms Sensitivity: 108 dB Frequency Response: 1.3 KHz – 19 KHz 1″ Voice Coil Phenolic Diaphragm Ferrite Driver Mounting Depth: 3.60″ (91.5 mm) Weight: 1.15 Lbs