Free Shipping On Orders of $100 or More!

Orion Car Audio
$600.00 off

Orion HCCA181SPLX – 18 Inch Dual 1 Ohm Extreme SPL Subwoofer | 7500W RMS Bass Power

Sale price $1,999.99 Regular price $2,599.99
Shipping calculated at checkout.

Key features

  • Subwoofer size: 18.0 inches
  • RMS power per subwoofer: 7500 W
  • Voice-coil options: D1
  • Voice-coil diameter: 4 inches
  • Surround: NBR foam
  • Dust cap: Polypropylene


Description

The Orion HCCA181SPLX delivers 7,500 W RMS and up to 30,000 W peak from an 18-inch dual 1-ohm SPLX sub, built for extreme SPL competition builds and ultra-high-power systems.

  • 18 inch dual 1 ohm extreme SPL subwoofer: Large diameter and dual voice coils provide flexible impedance options, enabling ultra-low impedance wiring for demanding, high-current amplifier setups.
  • 7500W RMS / 30000W peak power handling: Specifies continuous and peak capabilities, designed to sustain intense dynamic bursts common in SPL competitions.
  • Massive 4” high-temperature voice coil: Engineered to manage heat during long competition runs, helping maintain performance and reduce thermal limitations.
  • Glass fiber reinforced paper cone for extreme strength: High stiffness and durability to resist deformation under violent excursion, preserving control at high output.
  • Reinforced NBR foam surround for violent excursion: Built to withstand large cone travel while maintaining stability and linear motion.
  • Polypropylene dustcap for added cone stability: Adds rigidity to the cone center, helping maintain consistent cone shape under extreme SPL.
  • Huge 690 oz triple-stack ceramic magnet: Provides substantial motor force for precise control and high output at extreme power levels.
  • Designed specifically for SPLX-level output: Tailored engineering to maximize performance in SPLX-style setups and enclosures.
  • Optimized for extreme competition-style enclosures: Enclosure compatibility designed to extract maximum SPL in competition builds.
  • Dual 1-Ohm DVC configuration: Flexible wiring options and impedance tuning to meet demanding amplifier requirements and power delivery.
  • Non-pressed paper cone and NBR rubber surround: Combines traditional cone material and surround for precise sound reproduction while managing extreme power levels.

Benefits: In a high-output, multi-sub, or bass-wall installation, the HCCA181SPLX is built to survive massive power and cone movement while maintaining control and clarity. It suits record-focused SPL vehicles, extreme demo builds, and high-voltage, ultra-high-power systems, where impedance flexibility and robust mechanical design are essential for achieving extreme bass levels without compromising stability.

Recommended Monoblock Amplifiers

Power-matched options for one subwoofer or one complete loaded enclosure. We aim to include same-brand choices when their ratings qualify.

Loading amplifier suggestions…

Suggestions use 75–125% of the subwoofer’s RMS rating at the wiring load shown. Check wiring, enclosure needs, electrical capacity and installation space. Set gain and filters correctly to avoid overpowering the subwoofer. Buying more than one subwoofer changes the match.