Turbosound TS-12W350/8W, Woofer, Size: 12, Impedance: 8 Ohm, Power output: 350 Watt RMS / 1400 Watt peak, Frequency range: 61 - 3000 Hz, Maximum sound pressure level: 95 dB (1 W / 1 m), Die-cast aluminium frame, Mounting hole diameter: 299 mm (11.77""), Overall diameter: 316 mm (12.44""), Weight: 6.1 kg