Ground Zero GZIW 10XSPL-D2

High power 10″ SPL-subwooferKlippel optimizedReinforced paper cone with 3D honeycomb structure2.5″ copper voice coilHigh-roll sandwich surroundProgressive 2-layer spiderPush terminalsDon´t get fooled by the affordable price! These budget class XSPL-monsters are designed with Klippel-optimization to squeeze out every single desibel that is possible to get. Voice coil cooling is very efficient and long excursion gives you a LOT of bass. Very linear impedance curve makes it possible to really extract all the power from the amp to these subwoofers. Voice coil: 63mm / 2.5″ Impedance: 2x2 Ohm Re: 3.94 Ohm Fs: 36.2 Hz Qms: 10.5 Qes: 0.65 Qts: 0.61 Vas: 15.4l / 0.54 cu.ft. Le: 2.96 mH Mms: 205.4 gr Bl 17.0 Xmax: 32mm / 1.26″ Efficienty (SPL 1w/1m): 84dB Power handling: 700w Rec. amplifier power: 400-700w Outer diameter: 257mm / 10.12″ Mounting cut out: 230mm / 9.06″ Mounting depht: 147mm / 5.79″ Recommended enclosures: Bassreflex / vented: 33 liter netto / 1.16 cu.ft. net Port: 1x10cm / 1x4″ Port lenght: 19cm / 7.48″ Frequency: 39Hz Bandpass (4th order): 15 liter netto / 0.53 cu.ft. net sealed 25 liter netto / 0.88 cu.ft. net vented Port: 1x10cm / 1x4″ Port lenght: 25cm / 9.84″ Tuning frequency: 55Hz Bandwidith (-3dB): 35-88Hz.