JBL VRX918S 18" High-Powered Flying Subwoofer

Overview

The JBL VRX918S is a high-powered flying subwoofer designed for professional audio applications where deep and controlled bass is essential. Featuring an 18-inch Differential Drive woofer, it delivers powerful low-frequency output with a frequency response spanning 31 Hz to 220 Hz. Capable of handling 800 watts of continuous power and peaks up to 3200 watts, this subwoofer produces a peak SPL of 130 dB, making it suitable for medium to large venues that demand impactful bass performance.

Key features

• 18-inch Differential Drive woofer provides strong and precise low-frequency sound without excessive weight or heat buildup
• Handles high power levels with 800 watts continuous and 3200 watts peak capacity for reliable performance under demanding conditions
• Large flared port design minimizes turbulence and distortion, resulting in tighter and cleaner bass reproduction
• Dual speakON connectors enable quick and secure daisy-chaining of multiple subwoofers for expanded coverage
• M20 threaded socket allows for pole mounting of a top speaker, enhancing setup flexibility
• Integrated suspension points facilitate flying the subwoofer alongside VRX932LA line array elements for versatile rigging options
• Durable birch plywood enclosure with JBL’s DuraFlex coating and a rigid steel grille ensures protection during touring and heavy use

Key specs

• Woofer size: 18 inches
• Power handling: 800 W continuous, 3200 W peak
• Impedance: 8 ohms
• Frequency response: 31 Hz to 220 Hz
• Peak SPL: 130 dB
• Connectors: Dual speakON
• Enclosure material: Birch plywood with DuraFlex finish
• Mounting: M20 threaded socket and integrated suspension hardware

Connectivity and compatibility

The VRX918S is designed to integrate seamlessly with a variety of professional amplifiers thanks to its 8-ohm impedance. Dual speakON connectors simplify stage wiring and allow multiple subwoofers to be linked together, providing flexible coverage for different venue sizes and configurations. The M20 socket supports pole mounting of compatible top speakers, making it a versatile choice for both flown and ground-stacked setups.

Performance and reliability

Built to withstand the rigors of touring and frequent use, the subwoofer’s birch plywood cabinet is coated with JBL’s DuraFlex finish for added durability. The rigid steel grille protects the driver from damage during transport and setup. Its large port design reduces distortion, ensuring bass remains tight and controlled even at high volumes. This combination of robust construction and acoustic engineering makes it a dependable component for live sound professionals.

Ideal uses and environments

The VRX918S fits well in live performance settings such as concerts, theater productions, and DJ events where impactful bass is critical. It is also a strong choice for rental companies, clubs, and mobile DJs who require a subwoofer that can be flown, stacked, or pole-mounted depending on the event’s needs. Its power handling and sound quality make it suitable for medium to large venues where audience members need to feel the bass as much as hear it.