https://soundselect.co.za/audiocenter-sa3218/

• Active DSP-controlled Compact subwoofer.
• Customized AUDIOCENTER ferrite driver, 4” voice coil.
• Neutrik Inputs and Outputs.
• Class D amplifier.
• 4000 watt Peak Power.
• Dual 18″ Drivers

3 low-pass filters (80Hz, 100Hz, 120Hz) in SA3118 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.

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