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JBL JRX218S 18inch Compact Subwoofer

Model: JRX218S

JBL JRX218S 18inch Compact Subwoofer
JBL JRX218S 18inch Compact Subwoofer
JBL JRX218S 18inch Compact Subwoofer
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About: JBL JRX218S 18inch Compact Subwoofer

The JRX218S is driven by a massive JBL 18" woofer with a cast frame and 3" voice-coil.


  • 18 in. compact subwoofer.
  • 350 W (continuous), 1400 W (peak) power capacity.
  • The rugged enclosure is constructed from 19 mm (.75 in) MDF (Medium Density Fiberboard) using advanced adhesives and mechanical fastener technology for durability and improved low-frequency performance. The enclosure is covered in black carpet.
  • A top mounted, cast aluminum 36 mm pole mount receptacle can receive an optional SS3BK pole to facilitate use of the JRX218S as a base for a midhigh speaker cabinet.
  • Non-resonant, all steel handles are used.
  • Attractive 18-gauge perforated steel grille protects components from damage.


  • Power Rating   :   350 W / 1400 W
  • Frequency Range (-10 dB)   :   34 Hz - 250 Hz
  • Frequency Response (±3 dB)   :   53 Hz - 250 Hz
  • Sensitivity (@1m)   :   98 dB
  • Nominal Impedence   :   4 ohms
  • Recommended Amplifier Power   :   350 W to 700 W into 4 ohms
  • Maximum SPL   :   133 dB peak, @1 m (3.3 ft)
  • Dimensions (H x W x D)   :   605 mm x 508 mm x 551 mm / (23.8 in x 20.0 in x 21.7 in)
  • Net Weight   :   32.2 kg (71 lb)
  • Low Frequency Driver   :   M118-4
  • Input Connectors   :   Neutrik® Speakon® NL-4 (x2); parallel
  • Grille   :   18-gauge, powder-coated steel

UPC: 050036904520 is a Canadian authorized JBL retailer.

Reviews: JBL JRX218S 18inch Compact Subwoofer

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Warranty: JBL JRX218S 18inch Compact Subwoofer Warranty:

30 Days

Manufacturer's Warranty:

Pro Products:

The warranty on JBL professional loudspeaker products (except for enclosures, electronic components, and portable products) is valid for 5 years from the date of the first consumer purchase. Enclosures and electronic components are warranted for 1 year from the date of original purchase.

Effective 1 March 2005, portable products such as EON, JRX, MRX, PRX are warranted by Soundcraft Canada’s 2 year no-fault full warranty. During this time, if your speaker fails for any reason, it will be repaired at our expense. This includes parts, labor, and one-way shipping by ground transport. Exception: VRX and SRX are excluded from this warranty.