Sundown Audio X-Series v.3 18" Subwoofer Brands/Kicker Variable 12dB low pass filter:

Variable 12dB low pass filter: 50Hz – 6kHz

SoloKon™ 360-Degree Back Bracing

The 240 amp model comes with an OEM diameter pulley

4V 90Wx4 2 ohm 130Wx4 1 ohm n/a 4 ohm mono 14

Sundown Audio X-Series v.3 18" Subwoofer Brands/Kicker Variable 12dB low pass filter:2500 Watts RMS 5000 Watts Peak Dual 1 or 2 ohm voice coil Made for extremely deep bass Triple stacked magnet 3 voice coil Hyper extended pole Built to order Designed with an extended pole piece and an incredible four inches of peak to peak excursion, the X v. 3 is engineered for ultra deep bass and high power handling. Engineered to set a new standard in the low frequency small ported box subwoofer category, the X Series can also work in up to a 50%