Ground Zero GZIW 12SPL-EXT subwoofer 12" (300 mm).

Ground Zero GZIW 12SPL-EXT Iridium subwoofer 12" (300 mm) to NORDIC MARKET ONLY.

Ground Zero Iridium SPL subwoofers have been amongst most sold for years. Stunning value for money and excellent performance level have been unbeatable. 
Now this is taken to next level with GZIW 12SPL-EXT that is developed to Nordic Countries only !!! This subwoofer has HighTemp voice coil and bigger motor than ″regular″ Iridium SPL. 
With these improvements more powerhandling and better sensitivity are achieved. When having a 2 dB better sensitivity, subwoofer is a LOT LOUDER with the same amount of power. 
Thanks to Klippel-optimization driver has very linear impedance curve and it take spower in well. Carefully designed voice coil and cooling power handling is excellent. 
Long excursion gives great response even with lower frequencies.