4-Acoustic PCS-318NB Professional Triple 18" Ground Stack Subwoofer

Extreme Low-Frequency Performance. Built for the World's Biggest Stages.

The 4-Acoustic PCS-318NB is a flagship triple 18-inch professional ground stack subwoofer engineered to deliver extraordinary bass performance for the largest live productions, touring systems, festivals, stadiums, and concert venues. Combining three premium 18-inch neodymium transducers in a compact, road-ready enclosure, the PCS-318NB produces exceptional low-frequency extension, immense output, and outstanding efficiency.

Each high-performance neodymium driver is rated at 1500W AES, providing a total system power handling of 4500W AES, 9000W program, and an incredible 18,000W peak power. With a maximum sound pressure level of 154dB, the PCS-318NB delivers deep, impactful bass capable of energizing even the largest audiences.

The enclosure is precisely engineered from premium birch plywood and finished with a highly durable waterproof polyurea coating, ensuring maximum durability for demanding touring environments. Its optimized bass-reflex design delivers tight, controlled low frequencies from 28Hz to 160Hz, making it the ideal low-frequency foundation for professional line array systems.

Designed for seamless integration into modern sound reinforcement systems, the PCS-318NB features parallel Neutrik NL4 connectors, a 2.7-ohm nominal impedance, and a flexible connection layout that allows efficient deployment in large-scale ground stack configurations.

Key Features

Triple 18-Inch Neodymium Drivers

Three premium high-output 18-inch neodymium woofers deliver exceptional efficiency, powerful bass, and reduced system weight.

Massive Power Handling

• 4500W AES
• 9000W Program Power
• 18,000W Peak Power

Designed for demanding concert touring and large-scale sound reinforcement.

Extreme Sound Pressure

Capable of producing an astonishing 154dB maximum SPL, providing deep, powerful bass for the largest indoor and outdoor events.

Deep Low-Frequency Extension

Optimized frequency response of 28Hz–160Hz delivers tight, controlled, and musical bass with exceptional impact.

Touring-Grade Cabinet

Constructed from premium birch plywood for superior strength, rigidity, and acoustic performance.

Waterproof Polyurea Finish

A rugged polyurea coating protects the cabinet against scratches, moisture, weather, and the demands of professional touring.

Professional Connectivity

Equipped with dual Neutrik NL4 connectors featuring parallel wiring for fast system integration and easy expansion.

Optimized for Line Array Systems

Designed as the ideal low-frequency companion for high-performance line array systems, delivering seamless integration and exceptional bass reinforcement.

Technical Specifications

• Model: PCS-318NB
• System Type: Triple 18" Ground Stack Subwoofer
• Components: 3 × 18" Neodymium Drivers
• AES Power Handling: 4500W
• Program Power: 9000W
• Peak Power: 18,000W
• Frequency Response: 28Hz – 160Hz
• Sensitivity: 103dB (1W/1m)
• Maximum SPL: 154dB
• Nominal Impedance: 2.7 Ohms
• Input Connectors: 2 × Neutrik NL4 (Parallel 1+/1−)
• Cabinet Material: Premium Birch Plywood
• Finish: Waterproof Polyurea Coating
• Dimensions (H × W × D): 1200 × 500 × 700 mm
• Net Weight: 91.5 kg

Ideal Applications

• Concert Touring
• Stadium Sound Systems
• Large Outdoor Festivals
• Arenas
• Houses of Worship
• Live Music Venues
• Professional Rental Companies
• High-End Line Array Systems
• EDM Events
• Large-Scale Sound Reinforcement

The 4-Acoustic PCS-318NB is built for audio professionals who demand uncompromising bass performance. With massive power handling, outstanding efficiency, and deep low-frequency extension, it delivers the authority and reliability required for the world's most demanding live sound applications.

Tags: 4-Acoustic PCS-318NB, PCS318NB, Triple 18 Subwoofer, Ground Stack Subwoofer, Professional Subwoofer, Touring Subwoofer, Concert Bass Speaker, Stadium Audio, Festival Sound System, Neodymium Subwoofer, Line Array Bass, Professional Audio, Live Sound, High Power Subwoofer