Krix UCX-218 Infrasonic Subwoofer

Unrivaled infra-bass performance: Reaching frequencies as low as 10Hz, the UCX-218 delivers tactile bass you can feel in every fiber of your being.


Color: Black Ash

Key features

Infra-bass performance

Dual opposing drivers

Versatile placement

Australian made

Weight 91kg each

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Krix UCX-218 Infrasonic Subwoofer

Experience bass at its most visceral with the Krix UCX-218, a dual 18-inch subwoofer crafted for those who crave the absolute pinnacle of low-frequency performance.

Engineered to reproduce infra-sonic detail down to a thunderous 10Hz, it transforms your home theater or listening space into a powerhouse of tactile sound—bass you don’t just hear, but feel in your chest.

With vibration-cancelling driver design and robust build quality, the UCX-218 brings professional cinema-grade performance straight to your home.

True Infra-Bass Extension (Down to 10Hz)

Unlike typical subwoofers that cut off around 20Hz, the UCX-218 dives deep to 10Hz, reproducing ultra-low frequencies that aren't just audible—they're physically felt. Whether it’s an explosion in a film or an earthquake rumble in a game, this subwoofer delivers unmatched subsonic immersion.

Dual Opposing 18” Drivers for Zero Cabinet Vibration

Featuring two high-excursion 18” drivers mounted in an opposing configuration, the UCX-218 effectively cancels out mechanical vibration. This means cleaner, more accurate bass with no structural resonance transfer, ideal for installations in dedicated cinema rooms or premium home theaters.

Massive Power Handling for Serious Performance

With continuous handling of 2 x 1250 watts (and peak bursts up to 5000 watts per driver), this subwoofer thrives on power. Paired with the right amplifier, it can deliver earth-shaking SPLs while maintaining control, authority, and musicality.

Professional-Grade Components

Each driver boasts a 100mm voice coil, neodymium magnet, and demodulating ring, which collectively ensure exceptionally low distortion at high volumes. The result? Deep, clean bass that's rich with detail—even at extreme SPL.

Flexible Orientation for Any Room Layout

The sealed cabinet design allows for both horizontal and vertical placement, giving integrators and enthusiasts the flexibility to fit multiple subs seamlessly into any configuration—be it in walls, behind screens, or beneath platforms.

Engineered for the Ultimate Cinema Experience

Built with Krix’s proprietary inputs and optimized for high-current delivery, the UCX-218 is a no-compromise subwoofer created for those who demand nothing short of reference-level performance. Paired with Krix’s systems or any premium home cinema setup, it becomes the foundation of a truly cinematic audio journey.

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