Cerwin-Vega SUBA18-SLP28 18” Powered Subwoofer for SLP28 Line Array System

The Cerwin-Vega SUBA18-SLP28 18-inch Powered Subwoofer is engineered to be the commanding low-frequency engine behind the SLP28 professional line array system. Designed for large-scale venues and high-demand live sound applications, this subwoofer delivers the deep, chest-thumping bass response that has defined the Cerwin-Vega legacy for decades. When your production demands authority, clarity, and scalable performance, the SUBA18-SLP28 answers with precision and power.

At the core of this powerhouse is a premium 18-inch woofer featuring a massive 100mm high-temperature voice coil. This heavy-duty driver is optimized for maximum excursion and long-term reliability under sustained output conditions. Combined with a precision-engineered bass reflex enclosure, the SUBA18-SLP28 produces incredibly deep, controlled low-frequency extension with exceptional efficiency. The result is impactful bass that fills arenas, outdoor festivals, concert halls, and large event spaces with commanding energy and tight musical accuracy.

Integrated power sets this system apart. The built-in amplifier delivers a formidable 1200 watts at 4 ohms with three output channels, engineered exclusively for seamless integration with the Cerwin-Vega SLP28 line array modules. This streamlined design allows up to three SLP28 passive units to connect directly, reducing external amplification requirements and simplifying system deployment. With fewer racks, faster setup, and optimized signal routing, sound engineers gain both performance and efficiency in demanding environments.

System expandability is central to the SUBA18-SLP28’s design. It serves as the foundational anchor for a complete SLP28 line array configuration. Whether constructing a massive flown array using the integrated three-point suspension system or building a high-output ground-stack configuration, this subwoofer integrates flawlessly. Its scalable architecture allows audio professionals to tailor low-frequency output to venue size and audience demand while maintaining sonic consistency.

Durability is built into every detail. The SUBA18-SLP28 is housed in a rugged, multi-layer composite plywood cabinet engineered for structural integrity. Finished with Cerwin-Vega’s wear-resistant, waterproof polyurea coating, it is built to withstand transportation, touring, outdoor environments, and permanent installations alike.

For production companies, touring professionals, and installation specialists seeking a high-output 18-inch powered subwoofer with integrated amplification, expandable system design, and uncompromising durability, the Cerwin-Vega SUBA18-SLP28 delivers professional-grade performance at scale.

More power. Greater depth. Total system control.

The SUBA18-SLP28 transforms your SLP28 line array into a complete, expandable, high-performance sound reinforcement solution built for serious low-frequency authority.