Blast King 18" Woofer, (PROFILE18)
Blastking
Dayton Audio UM18-22 18" Ultimax High Displacement DVC Subwoofer 2 ohms Per Coil 8000 Watt Max Car Audio Subwoofer
Dayton Audio
Harmony Audio HA-ML1X18D2 18" Dual 2-OHM Monolith Series Subwoofer 3000W RMS Vented Ported Enclosure Box Subpackage
Harmony Audio
Sound Town METIS Series 2400 Watts 18" Powered Subwoofer with Class-D Amplifier, 4-inch Voice Coil, High-Pass Filter (METIS-18PWG)
Sound Town