Turbosound TS-15W300/8A - 15"" woofer for PA applications, Power rating: 300 Watts RMS / 1200 Watts Peak, Impedance: 8 Ohms, Frequency Range: 46 Hz - 3 kHz, SPL: 97 dB (1 W / 1 m), Overall Diameter: 393.5 mm, Rigid aluminum die-cast frame, Weight:7.1 kg