Ground Zero GZIK 165SPL

165 mm / 6.5″ high SPL midwoofer with HQPP cone with 3D honeycomb structure 6.5″ SPL midwoofer HQPP cone with 3D structure High-roll rubber surround Euro-DIN basket Resonance free steel basket High efficient 3 ohms version Ferrite motor Soldering terminal Incl. Hexagon style protection grill Model SPL midwoofer Diameter 165 mm / 6.50″ Power handling (RMS/max.) 80 / 120 Watts Impedance 3 ohms Efficiency 87 dB Frequency Response 60 Hz – 4 kHz Voice coil 25 mm / 1″ copper Cone HQPP cone with 3D structure Mounting Ø 142.5 mm / 5.61″ Mounting depth 68 mm / 2.68″ Resonance frequency (Fs) 61.5 Hz