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Electro-Voice EKX-18SP 18″ Professional Powered Subwoofer
Electro-Voice EKX-18SP 18″ Professional Powered Subwoofer
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Product Description
The EKX-18SP is a high-output, self-powered subwoofer engineered for touring, DJ rigs, and permanent installations. Its built-in 1 300 W Class D amplifier and high-sensitivity 18″ transducer deliver thunderous bass extension down to 35 Hz, while QuickSmartDSP and EV’s single-knob user interface provide lightning-fast EQ, limiting, and preset recall. Cardioid Control Technology lets you steer low-frequency energy toward the audience—with up to 35 dB of on-stage reduction—making multiple-sub arrays tight, focused, and feedback-free.
Key Features
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1 300 W Class D power amplifier for up to 134 dB peak SPL
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QuickSmartDSP with single-knob control and LCD menu for EQ, delay, and dynamic processing
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Cardioid Control Technology to shape bass directivity and reduce on-stage buildup by up to 35 dB
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Large slot ports engineered for minimal port noise and maximum low-end extension
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Rugged 15 mm plywood enclosure with EVCoat finish and powder-coated steel grille reinforcement bars
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Dual XLR + ¼″ TRS combo inputs and two XLR link outputs for easy system expansion
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Intelligent thermal management via variable-speed fan controlled by onboard sensors
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M20 threaded pole-mount plate for hybrid full-range/subwoofer deployment
Technical Specifications
Specification | Detail |
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Frequency Response (–3 dB) | 40 Hz – 150 Hz |
Frequency Range (–10 dB) | 35 Hz – 180 Hz |
Power Amplifier | 1 300 W Class D |
Maximum SPL | 134 dB peak @ 1 m |
DSP | QuickSmartDSP processing |
Cardioid Control | Up to 35 dB rear-cancellation via DSP steering |
Transducer | 1 × 18″ high-sensitivity EV driver |
Inputs | 2 × XLR + ¼″ TRS combo |
Outputs | 2 × XLR link |
Enclosure | 15 mm internally-braced plywood with EVCoat paint |
Mounting | M20 pole-mount plate |




