Collection: 18" Car Subwoofers for Extreme SPL Builds

18" car subwoofers are built for one thing: maximum bass. With a massive cone and high-power motors, they are the choice for SPL competitors and walls that need to move serious air. At Elite Auto Gear you can shop 18" subwoofers from the biggest names in SPL, including the Orion HCCA181SPLX rated at 7500W RMS, Sundown Audio M and X Series, DS18 Carbon high-excursion subs, Avatar Doomsday and Deaf Bonce Apocalypse R Series. Pair them with a strong electrical system and high-power monoblock amps. Every order ships free.