18"

Sky High Car Audio FXB Series 18" Subwoofer

Sky High Car Audio FXB Series Subwoofers Available in 6.5” – 18” | D2/D4 Ohm Options  FXB: Sky High Performance. Everyday Price.  The FXB Series from Sky High Car Audio is built to bring real bass power to real-world...

SoundQubed HDX4.2 18" Subwoofer 4" DVC 4000w/8000w

The SoundQubed HDX4.2-18 is a competition-grade 18” subwoofer engineered for massive output, deep frequency extension, and hardcore durability. Delivering an earth-shaking 4000W RMS and 16,000W burst power, this dual voice coil sub is...

SoundQubed HDX3.2 18" Subwoofer 3" DVC 2500w/5000w

The SoundQubed HDX3.2-18 is a competition-tier 18” subwoofer built for extreme low-end output, durability, and raw power. Delivering 2500W RMS and a massive 12,500W burst rating, this dual voice coil monster is designed to move serious...

Trinity Audio Solutions B Series 18" 1500w RMS D2/D4

The Trinity Audio Solutions B series subwoofers are crafted to provide an exceptional bass experience for both novice and seasoned bass enthusiasts. Drawing on the knowledge and expertise gained from the M and H series, the B series subwoofers are...

Trinity Audio H Series 18" Subwoofer

The new H Series Subwoofers are the culmination of science and art, designed to exceed all expectations while providing an unmatched value. The H Series Subwoofers feature: Cast aluminum high excursion baskets with an optimized air flow design. FEA...

SoundQubed HDX4 Series Subwoofer 18"

HDX4 18 subwoofer: HDX subwoofers build upon the design of the HDC line in response to recent shifts in source material and the mainstream frequency tuning of our customers’ vehicles. Our team scrutinized all aspects of the HDC subs to improve...