ManualFeatures- 1.7 INCH EDGEWOUND CCA VOICE COIL- 106 dB/SPL SENSITIVITY- 120 W PROGRAM POWER HANDLING- FEM OPTIMIZED MOTOR, PHASEPLUG AND DIAPHRAGM- 1200 - 18000 Hz FREQUENCY RANGE- TITANIUM DIAPHRAGM AND SUSPENSION- VOICE COIL COPPER DEMODULATION RING..