Pair of X-18 D4 – Sundown Audio 18″ 1250W RMS Dual 4-Ohm Subwoofer

1250 watts RMS, Re : 6.1 ohms, Fs : 22.5 Hz, Qes : 0.67, Qms : 5.49, Qts : 0.59, Le : 4.25 mH, Vas : 205.8 L, BL : 24.4 NA, Mms : 461.4 g, Cms : 0.11 uM/N, Lower-Out: 16.sixty nine”, Gasket OD: 18.forty two”.
(2) X-18 D4 – Sunset Audio 18″ 1250W RMS Twin four-Ohm X-Collection Subwoofers
Mounting Intensity: 10.25″