Ground Zero GZRW 6XSPL

700 Watts SPL 6.5″ high quality SPL subwoofer with reinforced paper cone 6.5″ high quality SPL subwoofer Klippel® optimized Reinforced paper cone Long stroke compound surround Solid aluminum cast basket 50 mm / 2″ copper voice coil Polycot spider IMPP dust cap with 3D structure logo Specifications Model High-Quality SPL subwoofer Diameter 16.5 cm / 6.50" Power Handling (RMS/SPL.) 350 / 700 Watts Impedance 2x 2 Ohms Efficiency 79 dB Power Recommendation 250 – 700 Watts Voice Coil 50 mm / 2" copper Membran Layout Reinforced paper Max. Excursion (Xmax) 22 mm / 0.866" Mounting Ø 147 mm / 5.79" Mounting Depth 99 mm / 3.90" Resonance Frequency (Fs) 49.5 Hz Overall Qaulity (Qts) 0.621 Equiv. Air Volume (Vas) 2.2 L / 0.078 cu.ft. Ground Zero GZRW 6XSPL is a 6.5 inch subwoofer that includes some particular technologies for SPL use at a very reasonable price. The right choice for dedicated SPL competition rookies. In contrast to the