Audiocenter S3218A

Active DSP-controlled Subwoofer


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
LF Driver Splay angle dependent
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)
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
AC Power Operating Range 100V-130V~ or 220V-240V~ (±10%,50/60Hz)
Power consumption
(1/8 output power)
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