Description
Description
The JBL JRX218S is a compact 18-inch subwoofer designed to deliver strong and powerful low-frequency performance for professional sound reinforcement applications. Equipped with a massive JBL 18-inch woofer, cast frame, and 3-inch voice coil, it provides deep bass output, high power handling, and durable construction for DJs, live events, bands, and PA system use.
More Information
Key Features
- Compact 18-inch subwoofer system
- Powerful JBL 18-inch low-frequency woofer
- Cast frame driver with 3-inch voice coil
- 350W continuous and 1400W peak power handling
- Strong low-frequency performance for PA systems
- Rugged 19 mm MDF enclosure for durability
- Black carpet finish for professional use
- Top-mounted 35 mm pole mount receptacle
- Supports optional speaker pole for mid-high speaker cabinet
- Non-resonant all-steel handles for easy carrying
- 18-gauge perforated steel grille protects the speaker components
- Suitable for DJs, bands, live sound, stage use, and sound reinforcement
Technical Specification
- Product Type: Compact Subwoofer
- Brand: JBL Professional
- Model: JRX218S
- System Type: 18-inch Compact Subwoofer
- Power Rating: 350W / 1400W
- Frequency Range (-10 dB): 34 Hz – 250 Hz
- Frequency Response (±3 dB): 53 Hz – 250 Hz
- Sensitivity: 98 dB SPL
- Nominal Impedance: 4Ω
- Recommended Amplifier Power: 350W to 700W into 4Ω
- Maximum SPL: 133 dB
- Low-Frequency Driver: JBL M118-4
- Voice Coil: 3-inch
- Inputs: 2 x Neutrik Speakon NL-4
- Input Connection: Parallel
- Enclosure Material: 19 mm MDF, Medium Density Fiberboard
- Enclosure Finish: Black carpet covering
- Grille: 18-gauge perforated steel grille
- Pole Mount: Top-mounted 35 mm pole mount receptacle
- Product Dimensions: 605 x 508 x 551 mm
- Product Dimensions: 23.5 x 20.3 x 22 in
- Net Weight: 32.2 kg / 71 lbs







