*Diameter: 8 » inches *Impedance: 8 Ohms *Power: 300 Watts RMS *Sensitivity: 92 Db SPL *Frequency response: 72 Hz to 8102 Hz *Volume occupied by the speaker: 0.6 L *Magnetic set weight: 1520 g *Coil diameter: 32 mm *Net Weight: 1795 g *Recommended minimum cut-off frequency (12dB / oct): 80 Hz *FS: 71.1 Hz