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18-Inch Powered Extension Subwoofer for the MAUI 66 G3

Buy the LD Systems MAUI 66 G3 SUB to expand your MAUI 66 G3 system with deeper impact and greater low-frequency capability. This powered extension subwoofer combines precise bass reproduction, integrated amplification, and advanced processing for sound professionals who need additional output or more control over bass coverage.


Why Choose the LD Systems MAUI 66 G3 SUB?

The MAUI 66 G3 SUB is a matching upgrade for professionals investing in the performance of their MAUI 66 G3 system. Its neodymium driver and low-tuned enclosure deliver substantial bass with clear definition, while onboard amplification and DynX® DSP support controlled operation at demanding levels. The option to reinforce forward output or create a cardioid subwoofer configuration gives DJs, musicians, and sound engineers greater flexibility from their PA.

Key Features

Feature Benefit
Deep, Precise Bass A high-power neodymium woofer and low-tuned bass-reflex enclosure provide the depth and impact needed for demanding music reproduction.
Reduced Port Noise Elliptical, airflow-optimized ports minimize turbulence, helping maintain clean, defined bass as output increases.
Integrated Amplification and Processing Class-D amplification and DynX® DSP work together to manage low-frequency reproduction without a separate power amplifier.
Advanced System Protection Peak, RMS, and thermal limiters help maintain controlled performance during sustained professional use.
Matched System Integration Designed specifically to complement the MAUI 66 G3, with automatic FOLLOWER operation for straightforward expansion.
Durable Cabinet Protection A polyurea-coated birch plywood enclosure and impact-resistant front grille protect the cabinet and driver during regular handling.
Practical Positioning Four ergonomic carrying handles provide secure grip points for transport and placement.


Technical Specifications

Specification Details
Brand LD Systems
Model MAUI 66 G3 SUB
Color Black
Product Type Powered extension subwoofer
Compatible System LD Systems MAUI 66 G3
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 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
Additional Forward Bass Output Position the MAUI 66 G3 SUB facing forward alongside the MAUI 66 G3, with the Cardioid preset deactivated, to increase low-frequency output toward the audience.
Cardioid Bass Control Place the extension subwoofer facing backward beside the MAUI 66 G3 and activate the Cardioid preset. Working with the main system’s subwoofer, it reduces bass radiation behind the setup while reinforcing output toward listeners.


Ideal Applications

Application Why It Fits
Professional DJ Systems Adds low-frequency impact to a MAUI 66 G3 setup for electronic music, dance tracks, and other bass-heavy material.
Live Bands & Musicians Reinforces bass instruments, kick drums, and synthesized low frequencies in amplified performances.
Cardioid Sound Reinforcement Provides a matching expansion option when reducing bass behind the PA is a priority.
Event Production Systems Offers configurable bass reinforcement for professionals adapting an existing MAUI 66 G3 to different sound requirements.