Eminence Delta-15LFA, 15"" Woofer, Rated power: 500 W RMS / 1000 W peak, Impedance: 8 Ohm, Frequency range: 42 Hz - 3.2 kHz, Peak SPL: 96 dB, Total diameter: 384.8 mm, Pitch circle diameter: 369.9 mm, Cutting diameter: 352.3 mm, Depth: 160 mm, Weight: 6.71 kg