Ground Zero GZHW 20XSPL-D1

- 8? subwoofer - 2x1 ohm voice coils - 2.5? copper voice coil - Mounting diameter 187 mm - Mounting depth 145 mm - Aluminium cast basket - Klippel optimized triple magnets - Cone Reinforced paper - Power Handling 700 W RMS, 1500 W SPL Power - Sensitivity 80 dB - Xmax 40 mm - Fs 38.3 Hz - Qts 0.381 - Vas 4.77 L.