STLF-18AS | 18" 750W Cast Aluminum Frame Woofer (Low Frequency Driver) – Sound Town
Sundown Audio Xv3 18 inch Dual 2 ohm Subwoofer X Series(2000 watts) – Droppin HZ Car Audio
Vandal 18 – 1200 WATT 18 inch Subwoofer – Rogue Car Audio
Dropship 5 Core Subwoofer Audio Speaker- 18 Inch Paper Cone, Dual Voice Coil 8 Ohm Impedance, 850W PMPO, RMS Is 500W For Car, DJ, Home Audio- FR 18 190 AL to Sell
CAB Ultra 18" inch DVC Dual 2 Ohm (Ultra Series) Car Subwoofer 1500 Watts RMS