SoundQubed HDX3 Series 4500W Car Audio Subwoofer 18 Inch Dual 1 ohm

The HDX3 series heavy-duty subwoofer is well suited for use as a competition subwoofer with a beefy, monstrous, made in the USA dual voice coil! HDX3's motor features a thick top plate, high motor force, and a tight gap for high-efficiency speaker design.