AD HI-IMPACT 18 Professional Woofer Speaker

Legendary Performance. Massive Power. The Choice of Professionals.

The AD HI-IMPACT 18 is our best-selling professional 18-inch woofer, trusted by speaker manufacturers, rental companies, touring professionals, churches, and system integrators who demand exceptional bass performance and long-term reliability.

Designed for high-output professional sound reinforcement, the HI-IMPACT 18 combines a massive 5.3-inch copper voice coil, heavy-duty cast aluminum chassis, and powerful dual ferrite magnet system to deliver outstanding efficiency, excellent thermal stability, and clean, authoritative low-frequency reproduction.

With 2000W AES continuous power handling and 4000W program power, this driver is engineered to perform under the most demanding conditions while maintaining tight bass, low distortion, and outstanding durability. Whether installed in subwoofers or high-power bass enclosures, the AD HI-IMPACT 18 consistently delivers the deep, impactful sound professionals rely on.

Key Features

Our Best-Selling Professional Woofer

Proven in countless live events, rental inventories, touring systems, and permanent installations where reliability matters most.

Massive 2000W AES Power Handling

Built to withstand continuous high-power operation while delivering clean, powerful bass performance.

4000W Program Power

Provides exceptional headroom for demanding professional audio systems and high-energy performances.

Large 5.3-Inch Copper Voice Coil

The oversized 135mm voice coil improves heat dissipation, increases power handling, and maintains consistent performance during extended use.

Heavy-Duty Cast Aluminum Basket

Rigid die-cast aluminum construction minimizes unwanted resonance while providing superior structural strength.

Optimized for Deep Bass

With a frequency response of 41Hz–600Hz, the HI-IMPACT 18 delivers deep, controlled low frequencies with excellent punch and musical accuracy.

High Sensitivity

A 97dB sensitivity rating ensures impressive acoustic output with excellent amplifier efficiency.

Long Linear Excursion

Featuring 13.1mm Xmax, allowing greater cone movement for deeper bass and higher output with reduced distortion.

Built for Professional Systems

Ideal for premium subwoofers, bass reflex enclosures, touring systems, cinema sound, and large-format PA systems.

Technical Specifications

• Model: AD HI-IMPACT 18
• Nominal Diameter: 18" (460mm)
• Nominal Impedance: 8 Ohms
• AES Power Handling: 2000W
• Program Power: 4000W
• Sensitivity: 97dB (1W/1m)
• Frequency Response: 41Hz – 600Hz
• Voice Coil: 5.3" (135mm) Copper
• Magnet Material: Ferrite
• Basket: Heavy-Duty Cast Aluminum
• Cone Material: Paper
• Surround: Cloth
• Linear Excursion (Xmax): 13.1mm
• Recommended Enclosure Volume: 150 Liters
• Net Weight: 25.05kg

Applications

The AD HI-IMPACT 18 is designed for:

• Professional Subwoofers
• Touring Sound Systems
• Rental Audio Systems
• Concert PA Systems
• Nightclubs
• Houses of Worship
• Outdoor Events
• Large Venue Installations
• Stadium Sound Systems
• Custom High-Power Speaker Cabinets

Why Choose the AD HI-IMPACT 18?

When maximum bass performance and long-term reliability are essential, the AD HI-IMPACT 18 stands above the competition. As one of AD's best-selling professional woofers, it has earned its reputation by delivering powerful low-frequency performance, exceptional durability, and consistent results in demanding real-world applications. From touring productions to permanent installations, the HI-IMPACT 18 is built to perform every time.

Tags: AD HI-IMPACT 18, 18 Inch Woofer, Professional Woofer, 2000W AES Woofer, 4000W Program Speaker, High Power Woofer, PA Speaker Driver, Subwoofer Driver, Ferrite Woofer, Cast Aluminum Basket, Professional Audio, Live Sound, Concert Speaker, Touring Audio, Bass Driver