Ground Zero Audio Uranium GZUW 10SQ-D2 10″ Subwoofer (450 RMS)

10″ sound quality subwoofer with aluminum cast basket and pressed paper cone. An excellent all around everyday speaker that meets audiophile expectations at reasonable prices.  450 Watts RMS / 600 Watts MAX 10″ sound quality subwoofer Klippel® optimized Scooped and pressed paper cone U-shape foam surround Solid aluminum cast basket 50 mm / 2″ copper voice coil Audiophile Polycot spider Coated paper dust cap Model High-Quality SQ subwoofer Diameter 25 cm / 10″ Power Handling (RMS) / Max 450 Watts / 600 Watts Impedance 2x 2 Ohms Efficiency 86 dB Power recommendation 300 – 600 Watts Voice coil 50 mm / 2″ copper Cone Scooped paper Max. Excursion (Xmax) 20 mm / 0.79″ Mounting Ø 236 mm / 9.29″ Mounting depth 148 mm / 5.83″ Resonance frequency (Fs) 40.2 Hz Equiv. air volume (Vas) 21.8 L / 0.77 cu.ft.