KRONOS 18SA
The Alpha Acoustics® KRONOS 18SA is a high-output, flyable active subwoofer designed for powerful low-frequency reinforcement. Engineered for array systems, the KRONOS 18SA features an 18″ ferrite magnet low frequency driver with a 4″ voice coil, delivering clean, deep bass. The subwoofer is powered by a 1500W Class D amplifier with 6000W peak power, ensuring extreme SPL and performance reliability.
Built into a rugged 18mm birch plywood cabinet with water-resistant coating and rubber feet, it is suitable for portable and fixed installations. With DSP control, cascading options, and multiple mounting configurations, the KRONOS 18SA is ideal for demanding audio applications in touring, venues, and house of worship systems.
- 136 dB Peak SPL
- Rugged 18mm Birch Plywood Enclosure with Water-Resistant Coating
- M20 Pole Mount + Four-point Suspension with Stack & Array Configuration
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Transducer
1 x 18″ LF
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Power (RMS)
1500 W
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Max SPL
136 dB
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Design
Ported
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Frequency Response
30 Hz - 120Hz
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Finish
Black, Custom RAL colors
Specifications
Electroacoustic
- DesignFlyable Active ported subwoofer
- Transducer1 x 18″ LF
- Frequency Response30 Hz - 120Hz
- Power (RMS)1500 W
- Peak Power6000 W
- AmplifierClass D
- DSPBuilt in DSP with 24bit/48kHz AD/DA
- Continuous SPL130 dB
- Maximum SPL136 dB
- ConnectorsXLR In / Link, RJ45 In & Link, Neutrik PowerCON In & Out
- ControlsPreset
selection
Power Switch
Physical
- ColorBlack and custom RAL colors
- EnclosureMulti Layer Plywood
- ProtectionBall-Proof
- Dimensions638 x 700 x 624 mm (WxDxH)
- Net Weight68.5 kg
Hear What KRONOS 18SA Can Do
Built for powerful low-frequency reinforcement, KRONOS 18SA delivers deep bass, extreme SPL, and touring-ready reliability—with flyable rigging options and DSP control for smooth integration into array systems.
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