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LD Systems MAUI 66 G3 SUB W white powered subwoofer, three-quarter front view showing the grille and cabinet.
Rear view of the LD Systems MAUI 66 G3 SUB W white subwoofer with amplifier panel, cooling fins and power connections.
LD Systems MAUI 66 G3 SUB W white subwoofer panel with main and sub level knobs, stereo inputs and XLR outputs.
LD Systems MAUI 66 G3 SUB W white subwoofer rear panel showing illuminated status indicators and cardioid controls.
Close-up of the LD Systems MAUI 66 G3 SUB W recessed carry handle and textured white subwoofer cabinet.
LD Systems MAUI 66 G3 SUB W white subwoofer cutaway exposing the bass driver, internal supports, ports and electronics.
LD Systems MAUI 66 G3 SUB W white powered subwoofer carried by two people using its recessed side handles.
LD Systems MAUI 66 G3 SUB W white powered subwoofer, three-quarter front view showing the grille and cabinet.
Rear view of the LD Systems MAUI 66 G3 SUB W white subwoofer with amplifier panel, cooling fins and power connections.
LD Systems MAUI 66 G3 SUB W white subwoofer panel with main and sub level knobs, stereo inputs and XLR outputs.
LD Systems MAUI 66 G3 SUB W white subwoofer rear panel showing illuminated status indicators and cardioid controls.
Close-up of the LD Systems MAUI 66 G3 SUB W recessed carry handle and textured white subwoofer cabinet.
LD Systems MAUI 66 G3 SUB W white subwoofer cutaway exposing the bass driver, internal supports, ports and electronics.
LD Systems MAUI 66 G3 SUB W white powered subwoofer carried by two people using its recessed side handles.

18-Inch Powered Subwoofer with Cardioid Configuration Support

Shop the LD Systems MAUI 66 G3 SUB W for additional bass output and flexible low-frequency control from your MAUI 66 G3 W system. This white powered extension subwoofer delivers deep, defined bass for professional music reinforcement, with integrated amplification and processing that simplify system expansion.


Why Choose the LD Systems MAUI 66 G3 SUB W?

Choose the MAUI 66 G3 SUB W when your PA needs stronger low-end performance or greater control over bass behind the system. Its neodymium driver, optimized enclosure, and advanced limiting help preserve definition during demanding playback. Designed to complement the MAUI 66 G3 W, it gives sound engineers, DJs, and musicians a direct way to expand their existing equipment with additional forward output or a paired cardioid configuration.

Key Features

Feature Benefit
Substantial Low-Frequency Impact A high-power neodymium woofer works with a low-tuned enclosure to reproduce deep bass with punch and precision.
Optimized Port Airflow Elliptical bass-reflex ports reduce turbulence and unwanted port noise, helping maintain definition at elevated output levels.
Built-In Power and Processing Integrated Class-D amplification and DynX® DSP provide a self-powered expansion solution without an external amplifier.
Controlled Performance Under Load Peak, RMS, and thermal limiters manage demanding signals and help protect the system during professional operation.
Automatic Expansion Mode FOLLOWER mode activates when no column is inserted, supporting straightforward integration with the main MAUI system.
Cabinet and Driver Protection A durable polyurea finish protects the birch plywood enclosure, while an impact-resistant grille shields the woofer.
Secure Handling and Placement Four ergonomic handles provide practical grip points for carrying, positioning, and configuring the subwoofer.


Technical Specifications

Specification Details
Brand LD Systems
Model MAUI 66 G3 SUB W
Color White
Product Type Powered extension subwoofer
Compatible System LD Systems MAUI 66 G3 W
Low-Frequency Driver 1 × 18-inch neodymium woofer
Enclosure Design Low-tuned bass reflex with elliptical, airflow-optimized ports
Amplification Class D
RMS Power 1,900 W
Peak Power 3,800 W
Maximum Peak SPL 135 dB
Low-Frequency Limit (−6 dB) 33 Hz
Low-Frequency Limit (−10 dB) 28 Hz
Crossover Frequency 200 Hz
Signal Processing DynX® DSP, Generation 2
System Protection Peak, RMS, and thermal limiters
Inputs 2 × XLR combo inputs
Outputs 3 × XLR outputs
Expansion Operation Automatic FOLLOWER mode when no column is inserted
Cardioid Function Dedicated preset for use with the MAUI 66 G3 W system’s subwoofer
Cabinet Construction Birch plywood with a polyurea coating
Front Grille Impact-resistant protective grille
Carrying Handles 4 ergonomic handles


Bass Expansion & Cardioid Configurations

Configuration Setup & Performance Benefit
Forward-Facing Bass Reinforcement Place the MAUI 66 G3 SUB W facing the audience beside the MAUI 66 G3 W and leave the Cardioid preset off. This configuration adds low-frequency output to the main system.
Cardioid Low-Frequency Coverage Turn the extension subwoofer backward alongside the MAUI 66 G3 W and enable the Cardioid preset. The paired subwoofers reinforce bass toward listeners while reducing radiation behind the system.


Ideal Applications

Application Why It Fits
DJs & Electronic Music Systems Adds low-end depth and impact for bass-heavy tracks and demanding music playback.
Live Music Reinforcement Strengthens the reproduction of kick drums, bass instruments, and low-frequency keyboard content.
Stages Requiring Bass Control Enables a paired cardioid configuration when limiting low-frequency energy behind the PA is important.
Expandable Production Systems Provides a matching powered addition for professionals increasing the bass capability of an existing MAUI 66 G3 W setup.