Amazon.com: Turbo Sound 18-in High Power Multi function Powered Subwoofer with Phase Reversal Switch XRL Inputs and Outputs Large 2500W Powered Sub, 180 degree Phase Reversal Switch DEEJAY LED TBHEVM18PSUB : Musical
Turbosound NuQ118B-AN 18" Bandpass Subwoofer, 3000W, Black | Full Compass Systems