Ground Zero GZPW Reference 250 Subwoofer (High End)

**PRICE PER SPEAKER** 500 Watts RMS 10″ high end sound quality subwoofer with aluminum cast basket and coated paper cone 10″ high end subwoofer Klippel® optimized 3-layer sandwich cone Leightweight rubber surround Solid aluminum cast basket 50 mm / 2″ copper voice coil 2-layer Bimax spider Coated paper dust cap Model High-End SQ subwoofer Diameter 25 cm / 10" Power Handling (RMS) 500 Watts Impedance 2x 2 Ohms Efficiency 87 dB Power Recommendation 300 – 600 Watts Voice Coil 50 mm / 2" copper Max. Excursion (Xmax) 40 mm / 1.57" Mounting Depth 128 mm / 5.04" Resonance Frequency (Fs) 31 Hz Overall Qaulity (Qts) 0.53 Equiv. Air Volume (Vas) 31.47 L / 1.11 cu.ft.