Ground Zero GZPW 18SPL 1,707.52 EUR The product is unfortunately out of stock. :( Article Number: GZPW 18SPL Share Information Reviews 46 cm / 18″ Subwoofer, 10000 W SPL power 2 x 1 ohm, 100 mm / 4″ Alu voice coil, Paper-glassfiber-kevlar mix cone, 4x spider, Fs 34.0 Hz, Qts 0.26, SPL 95.1 dB