JBL PRX418S 18″ Passive Subwoofer

JBL PRX418S 18″ Passive Subwoofer


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SKU: JBLPRX418S Category:
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JBL PRX418S is an 18″ passive loudspeaker delivering the kind of performance demanded by rock, pop, hip hop, and many other modern genres. The PRX418S passive subwoofer is perfect for those who are looking for a subwoofer with plenty of punch and impact. The cabinet is constructed from 18mm birch/poplar multi-laminate hardwood, with a rugged DuraFlex coating for exterior protection. It’s a hardened design that’s ready for long-term performance.


Designed for powerful performance
JBL PRX425 passive loudspeaker packs an 18″ driver, ready to handle 1,600 watts RMS for exceptional low-frequency performance. Even if you’re not playing bass-heavy dance tracks, you’ll wonder how you ever went without a subwoofer once you hear how the PRX418S adds richness and depth to acoustic music and vocal ensembles too.

Road-ready construction
If you need a high-quality portable subwoofer that can take abuse, you’ll appreciate the PRX418S’s design. You get 18mm birch/poplar construction, coated with DuraFlex for maximum protection. The hardwood cabinet isn’t just strong, it reduces resonance for cleaner sound quality. And with a rugged 16-gauge steel grill protecting the drivers, you can be sure your PRX418S is ready for virtually anything.

Heavily tested for your assurance
When you receive your PRX418S passive loudspeaker, it’s already survived JBL’s rigorous 100-hour power test. Each component and each system in the PRX400 Series is subjected to 100 straight hours of continuous, high-level input. All JBL Professional products must pass the test before they can grace your venue, ensuring that you’re receiving a reliable loudspeaker that can take the real-world rigors that we all put our sound systems through.


Frequency Range (-10 dB): 35 Hz – 300 Hz

Frequency Response (+-3 dB): 52 Hz – 120 Hz

System Sensitivity: 95 dB SPL (1w@1m)

Power Rating, Pink Noise: 800 W / 1600 W / 3200 W (Continuous/Program/Peak)

Rated Maximum SPL: 130 dB SPL peak

Nominal Impedance: 8 ohms

Dimensions (HxWxD): 678 mm x 536 mm x 615 mm (26.7″ x 21.1″ x 24.2″)

Net Weight: 36 kg (79 lbs.)

Additional information

Weight 100 lbs