JBL PRX418S Passive 18" Subwoofer
JBL PRX418S Passive 18" Subwoofer is backordered and will ship as soon as it is back in stock.
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JBL PRX418S Passive 18" Subwoofer
Product Overview
The JBL PRX418S is a passive 18-inch subwoofer for portable sound reinforcement and commercial AV, extending low-frequency output beneath PRX full-range loudspeakers. It delivers deep low end for music and program audio in multi-purpose rooms, all-hands spaces, and stage use.
Product Description
The PRX418S houses an 18-inch driver in a portable enclosure with a pole socket so a full-range top can mount above for a compact stacked system. Paired with PRX tops and a commercial amplifier, it reinforces the low end of a portable PA. As a passive subwoofer it is driven from an external amplifier. For more options, browse the JBL Professional Passive PA Speakers collection.
Key Features
- 18" Passive Subwoofer — An 18-inch driver extends portable low-frequency output.
- Pole Socket — Mounts a full-range top above for a stacked system.
- Portable Build — For mobile events and installed reinforcement.
- Passive Operation — Pairs with a commercial amplifier.
Typical Applications
- Multi-purpose room
- All-hands room
- Auditorium
Technical Specifications
| System Type | Passive subwoofer |
| Low-Frequency Driver | 18 in |
| Operation | Passive (external amplifier required) |
| Mounting | Pole socket for full-range top |
Full electrical specifications (power handling, sensitivity, maximum SPL, frequency response, impedance) should be confirmed against the JBL PRX418S specification sheet.
Frequently Asked Questions
Does the PRX418S need an amplifier?
Yes. It is a passive subwoofer and requires an external commercial amplifier matched to its load and power.
Which tops pair with it?
It is designed to reinforce JBL PRX full-range loudspeakers, with a pole socket for stacking a top above.
What warranty and support apply?
Covered under JBL Professional's warranty. Contact Creation Networks at sales@creationnetworks.net for system support.
At Creartion Networks, we do everything we can to create an excellent customer experience. This includes fast shipping and easy returns.
- Most in-stock orders placed Monday-Friday ship within 24-48 hours. General restrictions apply; please see our full shipping policy here.
- We offer a 30-day return policy from the delivery date on many products. Product restrictions apply. Restocking fees for the return of open-box items. Please see our full return policy here for more information.
Nationwide Audiovisual Services, Design, Installation & Support
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Whether you operate a single location or manage facilities nationwide, Creation Networks ensures your AV systems are designed for reliability, scalability, security, and long-term performance — helping your organization communicate more effectively and operate at peak efficiency.
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