Ground Zero SPL 12? subwoofer

30 cm / 12? Subwoofer, 6500 W SPL Power 2 x 1 ohm, 75 mm / 3? Alu voice coil, Paper-glassfiber-kevlar mix cone, 4x spider, Fs 39.9 Hz, Qts 0.40, SPL 92.2dB