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.

For professionals seeking powerful, precise low-frequency performance, the Electro Voice EKX-18 SP 18″ powered subwoofer delivers exceptional sound reinforcement that elevates any live event, installation, or studio environment. Low-end clarity and impactful bass are critical for immersive audio experiences, and this subwoofer is engineered to provide just that with remarkable efficiency and reliability. Whether you’re a touring musician, DJ, sound engineer, or venue operator, the EKX-18 SP offers the performance and durability needed to confidently handle demanding audio scenarios.

The heart of the EKX-18 SP is its robust 1300-watt power amplifier paired with a high-excursion EVS-18 C 18-inch low-frequency transducer. This combination produces a maximum peak sound pressure level of 134 dB, ensuring that deep bass frequencies are not only heard but felt, filling large spaces with authoritative sound. The extended frequency response from 40 Hz to 150 kHz (-3 dB) means this subwoofer accurately reproduces the full spectrum of bass tones, from the lowest rumbles to tighter punchier lows, allowing your audio to maintain clarity and impact without distortion or muddiness.

Connectivity options cater to professional setups with two XLR/TRS combo inputs and two XLR link outputs for seamless integration into complex sound systems. This flexibility allows multiple EKX-18 SP units to be linked together or connected with other Electro Voice loudspeakers, making it ideal for scalable sound reinforcement. The enclosure is constructed with 15 mm plywood finished in Electro Voice’s proprietary EVCoat for enhanced durability and resistance to wear, while the 18-gauge steel grille with powder coating protects the driver from physical damage during transport and performance, ensuring longevity even under tough conditions.

At 520 mm high, 606 mm wide, and 612 mm deep, the EKX-18 SP’s dimensions are designed for easy placement on stage or in fixed installations without compromising footprint. Weighing 32.8 kilograms (72.4 pounds) net, it is balanced to allow manageable handling by a single person while still providing the robust construction needed for professional use. Power consumption is efficient at 1.8 amps, meaning it can be operated reliably in a variety of venues without excessive electrical demand.

This subwoofer shines in a wide range of applications including concert sound reinforcement, DJ performances, theater productions, houses of worship, and corporate events where clear, powerful bass is essential. Its ability to deliver tight, punchy low-end response complements mid and high-frequency speakers perfectly, creating a full-spectrum audio experience that enhances audience engagement and immersion. The Electro Voice EKX-18 SP is a versatile solution for any professional audio setup that demands uncompromising bass performance.

With the Electro Voice EKX-18 SP, you invest in a subwoofer built for true professional use — combining high power, precise sound reproduction, rugged construction, and flexible connectivity. This subwoofer empowers you to deliver consistent, impactful low-frequency sound that elevates your production quality and meets the expectations of even the most discerning listeners. Backed by Electro Voice’s reputation for excellence, the EKX-18 SP is a confident choice for sound professionals dedicated to outstanding audio performance.