3 low-pass filters (80Hz, 100Hz, 120Hz) in S3218A are available to choose according to different venues and music styles. There is also phase switch. All connectors and function buttons are on the back panel. S3218A subwoofer is with 1-way XLR for input and output. Signals can be sent to different speakers for sound distribution.


Maximum SPL 140dB
Customized driver
Built in DSP with 48kHz signal sampling frequency
Class D amplifier
Advanced cooling system in the driver
Optimized, light weight cabinet design for easy usage
Comprehensive accessories for different applications


Type:  Active DSP-controlled Subwoofer
Frequency Response (-10dB): 26Hz-135Hz
Maximum Calculated SPL/1M(Continuous/Peak):134dB/140dB
LF Driver: Customized 2×18” driver, 4.0” voice coil
Processor: 48kHz signal sampling frequency
Presets: 80Hz, 100Hz, 120Hz
Amplifier Circuitry: Class D
Power (RMS standards): 2000W
Peak Power: 4000W
Frequency Response (1W 8Ω 2ch): 20Hz-20kHz(±0.5dB)
Intermodulation Distortion: <0.05%
Total Harmonic Distortion: <0.05%
Cooling System: Cooling with fans, air convection
Protection: DC protection, short circuit protection, overheat protection, input overload protection, output overload protection, soft startup protection, overvoltage protection, undervoltage protection
Signal Input: Female XLR
Signal Output: Male XLR
Power Input: Power connector
Working Voltage: 100V-130V~ or 220V-240V~ (±10%,50/60Hz)
Power consumption (1/8 output power): 237W
Cabinet Material: CNC machined plywood
Cabinet Colour: Black
Grille: Iron mesh
Handles: 4 side
Pole Mount: M20 base Φ35mm
Speaker Dimension (W×H×D): 1206x565x694mm
Carton Dimensions (W×H×D): 651x1331x780mm
Net Weight: 68.0kg
Shipping Weight: 74.0kg

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Audiocenter s3218a active dsp subwoofer

  • Brand: Audiocenter
  • Product Code: S-3218ADSP
  • Availability: In Stock
  • R25,120.00

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