JBL SRX818S 18" Passive Subwoofer System
JBL SRX818S 18" Passive Subwoofer System is backordered and will ship as soon as it is back in stock.
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JBL SRX818S 18" Passive Subwoofer System
Product Overview
The JBL SRX818S is an 18-inch passive subwoofer system for high-output touring and installed commercial AV, extending deep low-frequency output beneath SRX full-range loudspeakers.
Product Description
The SRX818S houses an 18-inch driver in a tour-grade bass-reflex enclosure with rigging and pole-mount provisions. Paired with SRX tops and a commercial amplifier, it anchors the low end for music and program audio. 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 — Deep, high-output low-frequency extension.
- Tour-Grade Bass-Reflex Enclosure — Built for transport and rigging.
- Flexible Deployment — Rigging and pole-mount provisions.
- Passive Operation — Pairs with a commercial amplifier.
Typical Applications
- Multi-purpose room
- All-hands room
- Auditorium
Technical Specifications
| System Type | Passive subwoofer (bass-reflex) |
| Low-Frequency Driver | 18 in |
| Operation | Passive (external amplifier required) |
Full electrical specifications (power handling, sensitivity, maximum SPL, frequency response, impedance) should be confirmed against the JBL SRX818S specification sheet.
Frequently Asked Questions
Does the SRX818S need an amplifier?
Yes. It is a passive subwoofer requiring an external commercial amplifier matched to its load and power.
Which tops pair with it?
It anchors the low end beneath JBL SRX full-range loudspeakers.
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
Creation Networks is a trusted nationwide partner for complete audiovisual solutions — delivering expert AV system sales, professional design, programming, installation, and ongoing support to organizations across the United States.
From Microsoft Teams Rooms and enterprise video conferencing to LED video walls, live streaming production, and hybrid collaboration systems, we provide end-to-end AV integration using premium, certified technology from industry leaders including Crestron, Q-SYS, Shure, Extron, and Absen.
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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