Description
AudioCenter SA Active DSP Subwoofers
The AudioCenter SA active subwoofers are self-powered low-frequency cabinets designed to complement SA-series full-range loudspeakers and other professional PA systems. Select the SA3118 single-18-inch subwoofer or SA3218 dual-18-inch subwoofer above; the product image, SKU, price and model-specific description update to the selected cabinet.
Both models combine customized 18-inch drivers with 4-inch voice coils, Class-D amplification and integrated 48 kHz DSP. Selectable 80 Hz, 100 Hz and 120 Hz low-pass presets allow the crossover point to be matched to different top cabinets and system layouts. Professional XLR input and linked XLR output simplify signal distribution through multi-cabinet active systems.
Choose the SA subwoofer
- SA3118: single 18-inch configuration with 1,000 watts RMS / 2,000 watts peak, a published 35 Hz–150 Hz response and 134 dB peak calculated SPL.
- SA3218: dual 18-inch configuration with 2,000 watts RMS / 4,000 watts peak, a published 32 Hz–150 Hz response and 140 dB peak calculated SPL.
The heavy-duty CNC-machined plywood enclosures and professional connection layout make these cabinets appropriate for event, rental, DJ, live-performance, worship and fixed-installation systems. Review the selected variant details below for exact size, weight and model-specific features.