Ground Zero Hydrogen GZHW 25-D1

Model High-Performance Subwoofer

Diameter 25 cm / 10″

Power handling (RMS/SPL) 1200 / 2500 Watts

Impedance 2 x 1 Ohms

Efficiency 83 dB

Power recommendation 800 – 2500 Watt

Voice coil 63 mm / 2.5″ Copper

Cone Reinforced paper

Max. Excursion (Xmax) 45 mm / 1.77″

Mounting Ø 238 mm / 9.37″

Mounting depth 178 mm / 7.01″

Resonance frequency (Fs) 41.8 Hz

Overall quality (Qts) 0.487

Equiv. air volume (Vas) 8.53 L / 0.30 cu.ft.