AD Legacy A118S 18" Powered Neodymium Subwoofer

Deep Bass. Powerful Performance. Built for Professional Sound.

Every great sound system starts with a solid low-frequency foundation. The AD Legacy A118S is a professional 18-inch powered subwoofer engineered to deliver deep, punchy bass with exceptional clarity and reliability. Designed for churches, concerts, hotels, live bands, rental companies, mobile DJs, and touring productions, the A118S provides the powerful low-end impact needed to bring every performance to life.

Featuring a premium 18-inch neodymium woofer with a 4.5-inch voice coil, a high-output 4400W RMS Class D amplifier, and advanced DSP technology, the Legacy A118S produces tight, controlled bass that integrates seamlessly with full-range loudspeakers and line array systems.

Whether used as a standalone subwoofer or as part of a complete professional PA system, the A118S delivers bass you can hear—and feel.

Why Choose the AD Legacy A118S?

Powerful Low-Frequency Performance

The Legacy A118S is designed to reproduce deep, impactful bass with excellent control and definition. From kick drums and bass guitars to electronic music and cinematic effects, it delivers the energy needed to create an immersive listening experience.

High-Power Class D Amplifier

The built-in 4400W RMS Class D amplifier provides exceptional continuous output with outstanding efficiency and reliability. Even during long performances at high output levels, the A118S maintains clean, distortion-free bass while keeping power consumption efficient.

Premium Neodymium Woofer

The Legacy A118S features:

• 1 × 18-inch Professional Neodymium Woofer
• 4.5-inch High-Temperature Voice Coil
• 8 Ohm Driver

The lightweight neodymium magnet increases efficiency while reducing cabinet weight, making transportation, setup, and installation easier without compromising performance.

Advanced DSP Technology

Professional DSP processing continuously optimizes amplifier performance, driver protection, and low-frequency response. The result is tighter bass, improved transient response, and reliable operation even in demanding live sound environments.

Built for Professional Use

Constructed with a rugged wooden cabinet and heavy-duty components, the Legacy A118S is designed to withstand the challenges of touring, rental inventories, and permanent installations.

Ideal Applications

The AD Legacy A118S is the perfect low-frequency solution for:

• Churches & Houses of Worship
• Live Bands
• Concert Productions
• Hotels & Ballrooms
• Mobile DJs
• Rental Companies
• Outdoor Events
• Nightclubs
• Corporate Events
• Convention Centers
• Professional PA Systems
• Line Array Systems

Whether supporting a pair of full-range speakers or a complete line array system, the Legacy A118S provides the deep bass and high output required for professional sound reinforcement.

Key Features

• 18-inch Powered Professional Subwoofer
• Premium Neodymium Woofer
• 4.5-inch High-Temperature Voice Coil
• High-Efficiency Class D Amplifier
• 4400W RMS Power
• Professional DSP Processing
• Deep, Tight, High-Impact Bass
• Excellent Low-Frequency Extension
• Low Distortion at High Output
• Touring-Grade Wooden Cabinet
• Heavy-Duty Steel Grille
• Designed for Professional Live Sound

Technical Specifications

System

• Speaker Type: 18-inch Powered Professional Subwoofer
• Enclosure: Heavy-Duty Wooden Cabinet
• Application: Professional Sound Reinforcement

Driver

• 1 × 18-inch Professional Neodymium Woofer
• 4.5-inch Voice Coil
• 8 Ohm

Amplifier

• High-Efficiency Class D Power Amplifier
• RMS Power: 4400W
• Load Impedance: 4 Ohms
• Professional DSP Processing

Why Professionals Choose the AD Legacy Series

The AD Legacy Series is engineered for audio professionals who demand exceptional sound quality, reliability, and long-term performance. Every Legacy loudspeaker is built with premium components, advanced DSP technology, and efficient Class D amplification to deliver consistent results in demanding applications.

The Legacy A118S provides the powerful low-frequency foundation that complements professional full-range speakers and line array systems, making it the ideal choice for churches, touring productions, rental companies, hotels, and large-scale events.

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