Ground Zero Audio Titanium GZTW 10F 10″ Flat Subwoofer (300 RMS)

10″ high quality subwoofer with high-strength, extremely flat IMPP cone 300 Watts RMS / 450 Watts Max 10″ high quality flat subwoofer Klippel® optimized IMPP cone Rubber surround Resonance free steel basket 50 mm / 2″ copper voice coil Shallow installation depth Push terminals Model High-Quality Flat Subwoofer Diameter 25 cm / 10″ Power Handling (RMS) / Max 300 Watts / 450 Watts Impedance 2x 2 Ohms Efficiency 87.5 dB Power recommendation 150 – 450 Watts Voice coil 50 mm / 2″ copper Cone IMPP Max. Excursion (Xmax) 30 mm / 1.18″ Mounting Ø 232 mm / 9.13″ Mounting depth 88 mm / 3.46″ Resonance frequency (Fs) 45.1 Hz Overall quality (Qts) 0.564 Equiv. air volume (Vas) 24.1 L / 0.85 cu.ft.