JBL VRX918SP 18" Powered Flying Subwoofer

Overview

The JBL VRX918SP is a powered flying subwoofer designed to deliver powerful and controlled low-frequency reinforcement in professional audio setups. Featuring an 18-inch woofer with dual voice coils and a Crown-engineered amplifier delivering up to 1500 watts of peak power, it produces deep bass down to 31 Hz with a maximum sound pressure level of 126 dB. This subwoofer is ideal for venues where main speakers are suspended, offering both flown and ground-stacked deployment options.

Key features

• 18-inch woofer with dual voice coils that moves a large volume of air while maintaining precise control over bass response
• Crown-designed amplifier providing up to 1500 watts peak power for strong and consistent output
• Wide frequency range from 31 Hz to 220 Hz covering the full sub-bass spectrum for rich low-end sound
• Maximum SPL of 126 dB ensures the subwoofer can handle demanding live sound environments without distortion
• Integrated rigging hardware allows safe and efficient suspension within VRX line arrays, simplifying setup
• 20 mm threaded pole socket supports secure mounting of satellite speakers when used in ground-stack configurations
• Large port area reduces distortion and keeps bass tight and punchy, enhancing clarity for kick drums and electronic music

Key specs

• Woofer size: 18 inches
• Amplifier power: 1500 watts peak
• Frequency response: 31 Hz to 220 Hz
• Maximum sound pressure level: 126 dB
• Voice coils: Dual
• Rigging hardware: Integrated for flying in line arrays
• Pole socket: 20 mm threaded

Connectivity and compatibility

The VRX918SP is designed to integrate seamlessly with VRX line arrays and other professional audio systems. Its built-in rigging hardware supports flying the subwoofer safely above stages, while the pole socket allows it to serve as a stable base for satellite speakers in ground-stacked setups. This flexibility makes it suitable for a wide range of live sound applications, from concert halls to corporate events.

Performance and reliability

With a Crown amplifier engineered specifically for this subwoofer, the VRX918SP delivers consistent power and clarity even at high output levels. The large port design minimizes distortion and maintains tight bass, ensuring that low frequencies remain clear and impactful. Its robust construction and integrated rigging hardware provide reliability for touring, rental, and fixed installations where dependable performance is critical.

Ideal uses and environments

This subwoofer fits well in venues that require strong, controlled bass without taking up excessive floor space. It is a strong choice for concert halls, clubs, houses of worship, and corporate event spaces where clear low-end reinforcement is essential. The self-powered design reduces the need for external amplification, simplifying setup and cabling for front-of-house engineers focused on delivering a balanced mix.