Ground Zero GZNW 38NEO-SPL

15″ SPL Competition subwoofer Diameter 38 cm / 15″ Mounting diameter 391 mm Mounting depth 300 mm Voice coil 3″ Flat wire Cone Reinforced paper Power Handling 2500 W RMS, 10 000 W SPL Power Impedance 2 x 1 Ohm SPL 91 dB Xmax 32 mm Fs 25.8 Hz Qts 0.111 Vas 50.8 L Suitable for: Sound Quality use ☺☺ SPL Competition use ☺☺☺☺☺☺ Low bass performance 20 - 50 Hz use ☺☺.