Gemini RS-315 Professional DJ 15" 1200W High Power 2-Way Passive PA Loudspeaker Pure titanium compression driver with 1.75-inch coil 2-way high power passive speaker/1200W peak, 300W RMS Linear frequency response between 45Hz-18khz 15-inch woofer with 3-inch voice coil/ABS impact resistant nylon fiber cabinet Trapezoidal design/Impedance 8 Ohms