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.
