The Audio Center S3218A is a powerful dual 18-inch active subwoofer designed for large churches, concerts, touring systems, DJ setups, and professional live sound reinforcement. It features a built-in DSP-controlled Class D amplifier and delivers extremely deep, high-output bass for demanding applications.
Key Features
- Dual 18" high-power subwoofer design
- Built-in DSP processing
- 2000W RMS Class D amplifier
- 4000W peak power
- 3 selectable low-pass presets (80Hz / 100Hz / 120Hz)
- Phase switch control
- High SPL output up to 140dB peak
- Professional XLR input/output
- CNC plywood cabinet construction
- M20 pole mount support
- Touring-grade protection systems
Specifications
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Type: Active DSP-controlled subwoofer
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Drivers: 2 × 18" custom LF drivers
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Voice Coil: 4"
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Frequency Response: 26Hz–135Hz
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Maximum SPL: 134dB continuous / 140dB peak
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Amplifier: Class D
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Power:
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DSP Presets:
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Connectivity:
- XLR Input
- XLR Output
- Power Connector
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Protection:
- Overheat protection
- Short-circuit protection
- Overload protection
- Soft-start protection
- Over/under voltage protection
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Cabinet: CNC plywood with iron grille
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Dimensions: 1206 × 565 × 694 mm
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Weight: 68 kg
Why It’s Best For
- Large churches and worship halls
- Concert and touring systems
- Outdoor events
- DJ and EDM performances
- Professional PA systems needing powerful low-end
