Ground Zero GZIW 300

- Diameter - 30 cm / 12? - Power Handling (RMS) - 350 Watts - Impedance - 4 Ohms - Efficiency - 88 dB - Power Recommendation - 200 ? 400 Watts - Voice Coil - 50 mm / 2? copper - Membran Layout - HQPP cone with 3D structure - Max. Excursion (Xmax) - 28 mm / 1.10? - Mounting Ø - 287 mm / 11.30? - Mounting Depth - 149 mm / 5.87? - Resonance Frequency (Fs) - 30 Hz - Overall Qaulity (Qts) - 0.58 - Equiv. Air Volume (Vas) - 69.3 L / 2.45 cu.ft.