JBL JRX218S 18 in. Compact Subwoofer
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. Description
JBL JRX218S 18 in. Compact Subwoofer
The JBL JRX218S brings controlled, articulate sub-bass to home studios and project spaces without consuming excessive floor real estate. Its compact footprint and manageable weight make it easy to position for optimal low-end integration, while dual all-steel handles support quick placement adjustments during tracking and mixing sessions.
Power & Connectivity
Running 350 watts continuous and 1400 watts peak into a 4-ohm nominal impedance, this subwoofer integrates seamlessly with standard studio amplifiers and powered interfaces. Dual Neutrik Speakon connectors allow flexible wiring configurations for clean, noise-free sub integration into your monitoring chain.
Low-Frequency Performance
The 18" JBL woofer with stamped steel frame and 3" voice-coil delivers a rated maximum SPL of 133 dB peak at 1 meter, with 98 dB sensitivity ensuring controlled headroom for mixing and monitoring tasks. Frequency response extends from 53 Hz to 250 Hz (±3 dB), capturing the bass and low-midrange foundation critical for accurate mix translation across playback systems.
Key Features
- 18" JBL woofer with stamped steel frame and 3" voice coil
- 350 watts continuous / 1400 watts peak power handling
- 4 ohms nominal impedance
- Frequency Response: 53 Hz – 250 Hz (±3 dB)
- Frequency Range: 34 Hz – 250 Hz (−10 dB)
- 98 dB sensitivity at 1 watt / 1 meter
- 133 dB maximum SPL (peak @ 1 m)
- 19 mm MDF enclosure with advanced adhesives and mechanical fasteners
- Black carpet covering with 18-gauge hexagon perforated steel grille
- Dual Neutrik Speakon NL-4 connectors
- Cast aluminum 35 mm pole mount receptacle
- Dimensions: 23.5" H × 20.3" W × 22" D; Weight: 71 lbs
The JRX218S combines professional woofer engineering with straightforward system connectivity, delivering the low-end clarity and definition needed for mixing and monitoring in compact studio environments.
More Information
| Condition | New |
|---|---|
| Country of Manufacture | Mexico |
Reviews
At a Glance
The JBL JRX218S is a professional-grade subwoofer optimized for live and mobile sound reinforcement—not a studio monitoring tool. Its tight, controlled low-end response (53–250 Hz, ±3 dB) and 133 dB peak SPL make it suited for reinforcing full-range systems in venues rather than mix-critical recording or mastering environments. Studio owners seeking bass extension for monitoring should look toward flat-response studio subwoofers designed for near-field mixing instead.
Who This Is For
Great for
- ✓ Live Sound Reinforcement
- ✓ Mobile PA Systems
- ✓ Venue Installation
- ✓ Event Sound
Not the best pick for
- – Home Listening
- – Studio Monitoring
- – Bedroom Practice
Frequently Asked Questions
What power amp or console do I pair this with?
The JRX218S accepts 350 watts continuous and 1400 watts peak into its 4-ohm impedance, working reliably with standard amplifier configurations and powered mixing consoles equipped with subwoofer outputs. Dual Neutrik Speakon NL-4 connectors support parallel wiring for flexible system integration.
How heavy is it, and can one person set it up?
At 71 pounds with dual all-steel handles and balanced weight distribution, the JRX218S is designed for single-operator transport and positioning. Its compact footprint (23.5" H × 20.3" W × 22" D) makes it practical for mobile deployments and varying venue sizes.
What frequency range does it cover?
Frequency response is rated 53 Hz to 250 Hz (±3 dB), with extended range down to 34 Hz (−10 dB). The 18" JBL woofer with 3" voice coil delivers 98 dB sensitivity and provides the critical bass and low-midrange spectrum needed for live sound reinforcement.
How does it compare to QSC KS118 or Electro-Voice ETX-18SP?
The JRX218S sits in the same compact 18-inch subwoofer category, offering 133 dB peak SPL, straightforward Speakon connectivity, and efficient power handling. Comparison models like the KS118 and ETX-18SP serve similar live-sound and mobile PA roles; check feature-by-feature specs and your amplifier configuration to determine best fit for your system.
Is this for studio recording or home listening?
No—the JRX218S is purpose-built for live sound reinforcement and venue installation, not studio monitoring or home listening. Its tight, venue-appropriate bass and high SPL output suit stage and mobile PA deployment, not mix-critical recording environments.
Do I pay sales tax on this order?
We collect sales tax only on orders shipped to California. Orders shipped to any other US state are charged $0 sales tax at checkout when you buy direct from our website. Marketplaces such as eBay, Reverb and Amazon collect sales tax in nearly every state as marketplace facilitators no matter who the seller is, so the same item at the same price costs less bought direct. Free US shipping and 30-day returns are included. Some states ask buyers to self-report use tax on out-of-state purchases.
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