AUDIOCENTER SA3218 Dual 18″ Powered Subwoofer


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Dual 18″ DSP Active Subwoofer loudspeaker * Power : 4000W Peak * Class D Amplifier * Braincore Technology

In stock (can be backordered)

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3 low-pass filters (80Hz, 100Hz, 120Hz) in SA3218 are available to choose from according to different venues and music styles. There is also a phase switch. All connectors and function buttons are on the back panel.

SA3218 subwoofer has with 1-way XLR for input and output. Signals can be sent to different speakers for sound distribution.


Type  Active DSP-controlled Compact subwoofer
Frequency Response(-6dB anechoic chamber) 35Hz-150Hz
Maximum Calculated


LF Driver Customized AUDIOCENTER ferrite driver, 4” voice coil
  Amplifier Circuitry Class D
Power(Peak) 4000W
Frequency Response(1W 8Ω 2ch) 20Hz-6KHz(±0.5dB)
Intermodulation Distortion <0.05%
Total Harmonic Distortion <0.05%
Protection DC protection, short circuit protection, overheat protection, input overload protection, output overload protection, soft startup protection, overvoltage protection, Undervoltage protection
Cooling System Cooling with fans, air convection
  Processor 96KHz signal sampling frequency,

24bit precision

Presets 80Hz,100Hz,120Hz
Crossover Controlled by DSP
Signal Input 1×NEUTRIK® female XLR
Signal Output  1×NEUTRIK® male XLR
Power Input 3 pin plug
Working Voltage 100V-130V/60Hz or 220V-240V/50Hz
  Cabinet Material CNC made of excellent wood
Cabinet Color Black
Dimension(W×H×D) 988×520×714mm
Net Weight 70.0Kg