Ground Zero GZRW 250-D2 FLAT

- Model High-Quality SPL Subwoofer - Diameter 25 cm / 10? - Power handling (RMS) 400 Watts - Impedance 2x 2 Ohms - Efficiency 84 dB - Power recommendation 200 ? 800 Watts - Voice coil 50 mm / 2? copper - Cone Paper sandwich cone - Max. Excursion (Xmax) 22 mm / 0.87? - Mounting diameter 232 mm / 9.13? - Mounting depth 85 mm / 3.35? - Resonance frequency (Fs) 28 Hz - Damping ratio (Qts) 0.54 - Equiv. air volume (Vas) 35.8 L / 1.26 cu.ft.