JBL PRX418S 1600W 18 inch Passive Subwoofer

Overview

The JBL PRX418S is a passive subwoofer designed to deliver deep and powerful bass for live performances, events, and club environments. Featuring an 18-inch woofer and capable of handling up to 3200 watts of peak power, it produces rich low frequencies with a frequency response extending down to 35 Hz. This makes it ideal for adding impactful bass that you can both hear and feel, enhancing any audio setup.

Constructed with a rugged plywood enclosure coated in Duraflex, the PRX418S is built to endure the rigors of frequent use. Its front-loaded design includes a large vent area that reduces distortion and improves the clarity of low-end sound. The steel grille with acoustic backing protects the speaker while maintaining a professional look. With two Neutrik Speakon and ¼-inch combo inputs, it integrates easily into existing sound systems.

Weighing 79 pounds and equipped with a pole-mount socket, this subwoofer offers flexible placement options for both portable setups and permanent installations. It pairs seamlessly with JBL’s PRX412M or PRX415M speakers to create a full-range sound system suitable for a variety of venues, from small clubs to larger event spaces.

Key features

• 18-inch woofer delivers deep and powerful bass that enhances the overall audio experience
• Handles up to 3200 watts peak power to support dynamic and high-impact sound
• Duraflex-coated plywood enclosure provides durability for frequent transport and use
• Large vent area minimizes distortion, ensuring clean and clear low-frequency output
• Steel grille with acoustic backing protects the speaker without compromising sound quality
• Two Neutrik Speakon and ¼-inch combo inputs allow straightforward connectivity with various audio equipment
• Pole-mount socket enables flexible positioning, whether for portable gigs or fixed installations
• Designed to pair well with JBL PRX412M and PRX415M speakers for a complete sound system

Key specs

• Woofer size: 18 inches
• Peak power handling: 3200 watts
• Frequency response: 35 Hz to 250 Hz
• Enclosure material: Plywood with Duraflex coating
• Weight: 79 pounds
• Inputs: Two Neutrik Speakon and ¼-inch combo jacks

Connectivity and compatibility

The PRX418S offers versatile connectivity options with two Neutrik Speakon and ¼-inch combo inputs, making it easy to integrate into a wide range of professional audio setups. These inputs support secure and reliable connections, which are essential for live sound environments where signal integrity matters. The subwoofer pairs naturally with JBL’s PRX412M and PRX415M speakers, allowing you to build a cohesive system that covers both low and mid-to-high frequencies effectively.

Ideal uses and environments

This subwoofer is well suited to live music venues, DJ setups, clubs, and event spaces where powerful bass is crucial to the audio experience. Its durable construction and flexible mounting options make it a strong choice for touring professionals as well as fixed installations. Whether you need to fill a small venue with rich low-end or add depth to a larger sound system, the PRX418S delivers consistent performance that supports a wide range of audio applications.