15" - Impedance: 8 Ohms - Power capacity: 2000 W Peak 1000 W Program 500 W Continuous - Sensitivity: 100.3 dB / 1 W 1 m - Usable freq. range: 40 Hz ~ 2 kHz - Cone: Kevlar® impregnated cellulose - Voice coil diameter: 4.0" / 100 mm - Voice coil material: Aluminum ribbon wire Polyimide-impregnated fiberglass former Nomex® stiffener Solderless diffusion welded OFHC copper leads