SUBWOOFER GROUND ZERO GZIW 200 200MM

8″ high quality subwoofer with solid 3D HQPP cone 8″ subwoofer Klippel® optimized 3D HQPP cone Long stroke rubber surround Solid aluminum cast basket 38 mm / 1.5″ copper voice coil Polycot spider IMPP dust cap with 3D structure logo Diameter 20 cm / 8″ Power Handling (RMS) 150 Watts Impedance 4 Ohms Efficiency 87 dB Power recommendation 100 – 200 Watts Voice coil 38 mm / 1.5″ copper Membran HQPP cone with 3D-structure Max. Excursion (Xmax) 20 mm / 0.79″ Mounting Ø 182 mm / 7.17″ Mounting depth 100 mm / 3.94″ Resonance frequency (Fs) 32 Hz Overall quality (Qts) 0.44 Equiv. air volume (Vas) 23.6 L / 0.83 cu.ft.