Overview

K18 High-Performance Subwoofer | The Low-Frequency Anchor for Ground-Stacked Deployments

Acoustic Design: Massive Power, Precision Sub-Bass Directivity

K18 Optimize low-frequency air displacement via a bass-reflex loading architecture to establish a solid foundation for deep, authoritative sub-bass output. Housing a custom 18-inch long-excursion transducer equipped with a 4-inch voice coil, waterproof cone, and triple-roll surround, the electro-acoustic topology enhances mechanical durability in outdoor or high-humidity environments while executing precise low-frequency detail reproduction alongside a 2400 W music power capacity.

Couple a high-flux neodymium magnetic assembly with a dual-spider suspension to expand cone excursion and sharpen transient response, producing punchy low-end dynamics without muddiness or decay blur to recreate authentic musical texture and explosive acoustic power.

Deploy cardioid array configurations utilizing three or more K18 enclosures (ideally in multiples of three) by reversing one physical cabinet rearward and recalling matching amplifier DSP cardioid presets. Active directivity control suppresses rearward low-frequency radiation, keeping stage and backstage areas free from sub-bass bleed while focusing clean energy into the audience plane.

Structural Protection: Total Protection, Structural Stability, Flexible Stacking

K18 Construct the enclosure using high-density multi-ply birch plywood to combine internal damping properties with extreme mechanical rigidity to suppress cabinet resonance. A black PU wear-resistant coating covers the outer chassis, providing high impact resistance across demanding performance environments.

Blend seamlessly into diverse architectural aesthetics with a modern chamfered geometric profile. A reinforced steel front grille with oversized perforations protects the internal transducer while minimizing airflow resistance and port turbulence noise to eliminate unwanted vibration artifacts at extreme SPL.

Integrate ergonomic handles into each side panel for streamlined transport, while four top nesting runners interlock with four bottom rubber feet to prevent displacement during stacked deployment. Additional side rubber runners support horizontal or vertical placement to adapt to various space constraints.

Deployment & Integration: Multi-Scenario Adaptability, Complete System Synergy

K18 Reinforce live band low-mids and electronic music sub-bass across performing arts centers, theaters, Livehouses, clubs, music bars, and high-end KTVs to create an immersive low-frequency atmosphere.

Anchor the system low-frequency foundation by integrating seamlessly alongside RX12、K1、K2、K3 full-range enclosures under matched factory presets, building a fully coherent audio ecosystem with smooth acoustic transitions and unified dynamic performance.

Technical Specification

AES Power Handling

  • 1200

Program Power

  • 2,400W

Low-frequency Limit (-10 dB)

  • 32Hz

Nominal Impedance

  • 8 ohm

Transducers

  • 1x18" neodymium

Acoustic Modes

  • Bass-reflex

Pin Assignment

  • 1+/1- (LF) ,2+/2- (Link)

Nominal Directivity (-6 dB)

  • standard or cardioid

Connectors

  • 2x4-points Speakon®

Splay Angles

  • Square Enclosure, Fixed Angle

Rigging Hardware

  • Stacked on the ground, without hanging parts

Cabinet Coating

  • All-birch plywood with black polyurea wear-resistant finish

IP Rating

  • IP55

Maximum SPL

  • 134 dB

Sensitivity (1 W / 1 m)

  • 103 dB

Dimensions (W x H x D) mm

  • 548x565x760 mm
    (21.6"x22.2"x29.9")

Net Weight

  • 48 kg (105.8 lbs)

Product Code

  • 12323900209004
Download
Category File Type File Size Download Last Updated
K18 User Manual
updated: 2026-07-17
User Manual pdf 5.54 MB 2026-07-17
K18 Suggested Configuration
updated: 2026-08-12
System Specification (Suggested Configuration) pdf 51.65 KB 2026-08-12
K18 2D CAD Drawing
updated: 2026-03-23
2D CAD Drawing pdf 291.88 KB 2026-03-23
K18 2D CAD Drawing
updated: 2026-03-23
2D CAD Drawing rar 326.83 KB 2026-03-23
K18 3D CAD Model
updated: 2026-05-08
3D Model rar 954.34 KB 2026-05-08
K18 SketchUp
updated: 2026-05-08
3D Model rar 574.12 KB 2026-05-08
Product Warranty Terms & Conditions
updated: 2026-08-15
Warranty Terms & Conditions pdf 130.77 KB 2026-08-15
K18 Declaration of Conformity
updated: 2026-03-11
Declaration of Conformity pdf 55.32 KB 2026-03-11
Product Weather Protection
updated: 2025-12-27
Weather Protection pdf 400.75 KB 2025-12-27

Recommend

Explore and discover more products in the same series...

Contact Us

Fields marked with (*) are required.