The Electro-Voice EKX-18SP is a professional powered subwoofer designed for superior sound performance and reliability. Featuring QuickSmartDSP technology, it offers best-in-class signal processing with an intuitive single-knob control and LCD display for easy navigation. The 1300 W Class-D amplifier delivers up to 134 dB peak SPL, ensuring deep, clean, and powerful bass output in any environment.

With Cardioid Control Technology, the EKX-18SP directs sound precisely toward the audience while reducing stage noise by up to 35 dB, creating a clearer and more controlled listening experience. Its intelligent thermal management system uses variable-speed fans and multiple onboard sensors to maintain consistent performance during demanding use.

Built for durability, the EKX-18SP features a 15 mm plywood enclosure with EVCoat finish, a rugged steel grille, and M20 threaded pole mount plate for versatile setup. Dual XLR/TRS combo inputs and XLR link outputs make system expansion simple and efficient. Large slot ports minimize distortion while enhancing bass extension.

Smart DSP Control

Experience unparalleled control with QuickSmartDSP, offering best-in-class processing and EV’s signature single-knob interface for seamless operation. The intuitive LCD menu ensures quick access to all essential settings, making sound optimization effortless even in demanding environments. From small venues to large events, QuickSmartDSP delivers consistent, professional-grade results every time. Its advanced processing ensures clarity, balance, and precision—so your performance always sounds perfect. Designed with both simplicity and power in mind, this system gives users the freedom to focus on their craft, not complex sound adjustments.

Cardioid Sound Precision

The Cardioid Control Technology ensures that your audio is directed toward the audience while minimizing unwanted noise on stage. With up to 35 dB reduction in rear sound output, multiple subs can be deployed without compromising clarity or control. This means better focus, less feedback, and an overall cleaner sound experience. Perfect for professional sound setups, the cardioid design delivers powerful bass where it’s needed most—towards the listeners—while maintaining exceptional acoustic balance and precision even in challenging live environments.

Features

QuickSmartDSP features best-in-class processing, EV’s signature single-knob user interface, and intuitive menu navigation via LCD.
Cardioid Control Technology allows output to be steered towards the audience with up to 35 dB reduction on stage when multiple subs are deployed.
High-efficiency 1300 W Class D power amplifier delivers up to 134 dB peak SPL on the EKX-18SP utilizing high-sensitivity transducers designed and engineered by EV.
Intelligent thermal management with a variable-speed fan controlled by multiple onboard sensors, ensuring superior performance and reliability in demanding environmental conditions.
Two XLR outputs for easy system expansion to additional loudspeakers or subwoofers. Large slot ports for low distortion and excellent bass extension. Metal grille reinforcement bar (two on the 18SP). M20 threaded pole mount plate.

Frequency Response (-3 dB)	40 Hz – 150 kHz¹
Frequency Range (-10 dB)	35 Hz – 180 kHz¹
Maximum SPL	134 dB peak²
Power Rating	1300 W
LF Transducer	EVS-18C 457 mm (18 in)
Connectors	(2) XLR/TRS combo jacks and (2) XLR link outputs
Enclosure	15 mm plywood with EVCoat
Grille	18 AWG steel with powdercoat
Dimensions (H x W x D)	520 mm x 606 mm x 612 mm (20 in x 24 in x 24 in)
Net Weight	32.8 kg (72.4 lb)
Shipping Weight	41.2 kg (90.9 lb)
Power Consumption	1.8 A³