Ground Zero GZHW 10SPL-D2 FLAT

10″ high quality flat SPL subwooferKlippel® optimizedSandwich paper coneDurable U-shape rubber surroundSolid aluminum cast basket63 mm / 2.5″ copper voice coil4-layer copper voice coilPush terminalEnclosure recommendation:Vented: 17 Liter netto / 0.60 cu.ft. netPort 1 x 70 mm / 1 x 2.76”port length* 300 mm / 11.81”frequency 39 HzSealed (minimum)15 Liter netto / 0.53 cu.ft. netNOTE! Works from 9 liters in a sealed case! Model High-Quality Flat SPL Subwoofer Diameter 25 cm / 10″ Power Handling (RMS/SPL.) 600 / 1000 Watts Impedance 2x 2 Ohms Efficiency 85 dB Power Recommendation 400 – 1000 Watts Voice Coil 63 mm / 2.5″ Copper Max. Excursion (Xmax) 29 mm / 1.14″ Mounting Ø 238 mm / 9.37″ Mounting Depth 103 mm / 4.06″ Resonance Frequency (Fs) 35.5 Hz Overall Qaulity (Qts) 0.434 Equiv. Air Volume (Vas) 19.7 L / 0.70 cu.ft..