Sound Barrier CORE8218SA-NHW — 18 Inch Active High Power Subwoofer
CORE8218SA Overview
The Sound Barrier CORE8218SA is an 18-inch active subwoofer system built for professional touring, installation, and live sound reinforcement applications. At its core is a 1500W Class D single-channel amplifier engineered to drive the corresponding CORE 8218SP passive cabinet, while also supporting full active line array configurations. The enclosure houses a single ultra-long 18-inch woofer with a 4-inch voice coil in a front-loaded, reflex-ported design that extends low-frequency output below the driver’s natural cutoff point. This system is suited for audio engineers, touring companies, and system integrators who require compact, high-output subwoofer solutions with flexible deployment options.
The CORE8218SA is designed for both flown and ground-stacked use, with a proprietary rigging system directly compatible with the CORE 82A, CORE 82P, and CORE 8218SP, and a threaded pole-mount socket on the top of the cabinet for use with the CORE82-BPSYS pole-mount and bracket system.
Key Features
- 1500W Class D Amplifier — Single-channel, high-efficiency amplifier specifically designed to power the CORE 8218SP passive cabinet or operate in a full active line array setup
- 18-Inch Ultra-Long Excursion Woofer — Single 18″ driver with 4″ voice coil, front-loaded with reflex rear loading to extend low-frequency output below the natural cutoff point
- NUCLEUS FIR DSP — Integrated digital signal processor running Sound Barrier’s proprietary NUCLEUS FIR Loudspeaker Management Software for precise system optimization
- Proprietary Rigging System — Directly compatible with the CORE 82A, CORE 82P, and CORE 8218SP for seamless integration into complete CORE series deployments
- Threaded Pole-Mount Socket — Top-mounted socket accommodates the CORE82-BPSYS pole-mount and bracket system for flexible positioning
- Flown or Ground-Stacked Deployment — Compact, lightweight enclosure supports both rigged and stacked configurations for versatile venue applications
- High Output with Extended Low-Frequency Response — Reflex-loaded rear chamber extends bass extension beyond the driver’s natural rolloff for maximum low-end coverage

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