Turbosound TS-10W300/8A, Woofer, Size: 10"", Impedance: 8 Ohm, Rated power: 300 W RMS, 1200 W peak, Frequency range: 53 - 4000 Hz, Maximum level: 93 dB (1 W / 1 m), Die-cast aluminium frame, Mounting hole diameter: 245 mm (9.6""), Overall diameter: 261 mm (10.28""), Weight: 6.1 kg